United States v. Kelly Brenton Farley ( 2010 )


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  •                                                                     [PUBLISH]
    IN THE UNITED STATES COURT OF APPEALS
    FOR THE ELEVENTH CIRCUIT            FILED
    ________________________ U.S. COURT OF APPEALS
    ELEVENTH CIRCUIT
    JUNE 2, 2010
    No. 08-15882
    JOHN LEY
    ________________________                 CLERK
    D. C. Docket No. 07-00196-CR-1-BBM-1
    UNITED STATES OF AMERICA,
    Plaintiff-Appellant-
    Cross-Appellee,
    versus
    KELLY BRENTON FARLEY,
    Defendant-Appellee-
    Cross-Appellant.
    ________________________
    Appeals from the United States District Court
    for the Northern District of Georgia
    _________________________
    (June 2, 2010)
    Before CARNES, HULL and ANDERSON, Circuit Judges.
    CARNES, Circuit Judge:
    In the Fall of 2006, Kelly Farley was a thirty-seven-year-old businessman
    living in Texas with a pregnant wife and five children, ranging in age from one to
    fourteen. His interest in families was not limited to his own, and his sexual
    interests extended beyond what our society and its laws will tolerate. Farley is
    sexually attracted to girls he described as “still innocent, but starting to bud a
    little,” and he wanted to have sex with a girl who was around nine to eleven years
    old. Using the internet, he made contact with the mother of a child of that age and
    set out to persuade her not only to let him have sex with her daughter but also to
    join him in sexually violating the child.
    To reach that goal Farley engaged in a steady stream of chat room
    conversations, emails, and phone calls over a period of seven months with the
    mother, leading up to his arrival in Atlanta carrying directions to the place where
    he planned to rendezvous with her and her eleven-year-old daughter. Farley’s
    actions led to his arrest, which led to his trial, which led to his conviction and
    sentence, which led to the government’s appeal of that sentence, which led to
    Farley’s cross-appeal of both his conviction and sentence, all of which led to this
    opinion.
    2
    I.
    On October 3, 2006, Kelly Farley entered a Yahoo! online chat room called
    “Fetish 14,” which was devoted to the topics of incest and sexual molestation of
    children. Through the chat room Farley, who lived in the Dallas area, initiated
    contact with “Stephanie,” whose online profile identified her as a forty-one-year-
    old Atlanta single mother of a ten-year-old girl. Once Stephanie accepted Farley’s
    invitation to chat privately, he wasted no time getting down to business. Within
    the first three minutes, he asked her how long she had been interested in the “room
    topic” and whether her involvement was “active” or merely fantasy. He told her
    that “my wife would flip if she knew I was into it.” Noting that Stephanie’s profile
    mentioned a daughter, Farley asked if the mother ever got to “see anything.” He
    also asked Stephanie what her “favorite age” was, and she answered that it was her
    daughter’s age, ten years old. After questioning Stephanie about how long she had
    been attracted to her daughter and what she did to “get looks and appease [her]self
    of the urge,” Farley suggested that she should arrange for her daughter to walk in
    on her while she was masturbating. When she said that had happened once, Farley
    replied that Stephanie should have “offer[ed] to show her how.”
    Farley confided to Stephanie that he had been “attracted to younger girls for
    a while.” He told her that he had twelve-year-old and ten-year-old daughters, and a
    3
    fourteen-year-old son, but that he had not been “active” with them because he was
    afraid that his wife might find out.1 He claimed, however, that there was a
    fourteen-year-old girl he had met online and had “[met] up with for sex.”
    Stephanie asked if ten was too young for him, and Farley answered “no not too
    young.” He then asked if the daughter “ha[s] any hair yet.” Stephanie told Farley
    that she wanted to find a man who could introduce her daughter to sex. He
    suggested that she “set it up so that you and [me] are having sex or oral or
    something and [the daughter] walks in on it.” He thought that would be the easiest
    way to “invite her into it.”
    When Stephanie complained about the difficulty in finding a partner for this
    project, that it’s “hard to find someone 4real” because most men were “full of BS,”
    Farley assured her that he was “looking for real,” and that he would take the real
    experience “as far as you are comfortable going.” Farley said that while he had
    never been with a ten-year-old girl, he had been sexually active for nearly a year
    with the fourteen-year-old he had met; he expressed the opinion that there was no
    difference between the ages from a “making it happen point of view” as long as the
    girl felt “comfortable and safe.”
    1
    In fact, Farley had five children: two boys then aged fourteen and ten, and three girls
    aged twelve, eight, and one. During the months Farley was chatting with Stephanie, his wife
    was pregnant with their sixth child, a boy born only weeks after Farley was arrested.
    4
    Farley told Stephanie that his name was “Kelly” and he shared details about
    his real job as regional vice president for a Dallas staffing company. Stephanie
    told him she was “Stephanie Miller” and said that her daughter was named
    “Sydney.” Farley suggested he might soon visit their hometown of Atlanta on
    business, but expressed some concern that Stephanie might be “a cop trying to
    entrap me.”
    On October 9, 2006, Farley initiated another chat with Stephanie. After
    once again assuring her that he was “for real,” Farley pressed her for details about
    the time her daughter had walked in and seen her masturbating—the “teaching
    part,” as he put it. “It will help with the environment to move to the next step,” he
    explained, “something that she feels is natural and fun, not like she is doing
    something wrong or to be embarrassed about.” Farley suggested that the girl
    would be more comfortable having sex with a man if her mother were also present
    and participating. He assured Stephanie that he wanted to be “a part of [her]
    plans,” a “long term thing” and that he “would teach and watch [the child] blossom
    over the years.”
    When Stephanie asked how he envisioned it happening, Farley said that they
    would meet, have dinner, go back to her place, drink some wine, and give the child
    a few sips. Then he and Stephanie would start “messing around,” letting the
    5
    daughter watch to “make it natural,” perhaps with a pornographic movie playing in
    the background. To prepare Sydney for the experience, Farley suggested that
    Stephanie watch pornographic movies and let her daughter see her masturbating to
    them. “You have to be a sexual part of this,” he insisted. When Stephanie told
    him that Sydney was standing next to her as she typed, Farley told Sydney to
    “come real close” to the screen and asked her how she was enjoying her day off
    from school. Told that the girl had run off giggling, Farley resumed his
    conversation with Stephanie and boasted, “I still have it after all these years, even
    with 10 year olds.”
    Farley then questioned Stephanie about her own childhood sexual
    experiences. In response to Stephanie’s story that she had sex with her stepfather
    at age twelve, Farley said, “I would imagine if it is done gently, lovingly and
    consistently it is not looked at as anything strange.” Stephanie then asked Farley
    what made him want a “real” experience. Farley answered that he had been
    “interested in younger” for a while, “never my own, but those ages.” He said that
    he would like to have an ongoing relationship “with the mom’s involvement to
    teach, and guide . . . jointly teaching her, so no secrets for her to hide or feel guilty
    about those kinds of things, totally open, and with no dad to worry about makes it
    better.”
    6
    Noting that he had “a lot to lose,” Farley asked Stephanie to get a webcam so
    he could see her on live video during their chats and make sure that she was “real
    and not some cop or something.” Stephanie never hooked up a webcam, although
    she did send Farley a real photo of herself standing next to a nine-year-old girl.
    On October 13, 2006, during another chat session, Stephanie once again
    asked Farley what made him want a real experience. In response, Farley described
    the downward arc of deviance his sexual interests had taken:
    It is kind of the progression of porn actually . . . as a teen started looking at
    porn; as you look at more and more, you need harder and harder stuff to
    really get[] you going, so you go from like playboy, to penthouse, to hustler,
    etc., then from adult, to teen, to curious about younger. Then I discovered
    chat rooms . . . that is where pics and links were posted and I started seeing
    younger pics, then pics of younger in action, and it just got hotter and hotter
    . . . so the natural progression is then not just wanting pics [and] vids but
    wanting the real thing, which le[]d me to teen chat rooms, then meeting a
    teen in person, now to this point.
    Farley said that he had seen “pics and vids as young as they come,” and
    Stephanie responded that she had seen some similar pictures online. Farley
    suggested that Stephanie trade child pornography pictures with him, but he backed
    off when neither of them volunteered to be first to send an image. He asked
    Stephanie what age excited her most; she answered “9–10.” Farley said, “Yeah me
    too . . . something about that age, still innocent, but starting to bud a little.”
    Farley asked Stephanie how she thought it would happen. Stephanie said that she
    7
    wanted it to be “very special,” that her daughter would be “a princess for the day,”
    and that if the right person “shows her everythi[ng] and it is done right things will
    be perfect.”
    Farley asked if they could talk on the phone, but Stephanie was reluctant to
    give him her number. Farley noted “we are both very nervous here” and suggested
    Stephanie was afraid he might be a “cop” who would trace her call and show up to
    take her away in handcuffs. He promised her he was not, and she assured him
    likewise.
    Over the next four months, Farley and Stephanie had only occasional, brief
    chats. Farley worried that Stephanie had “decided [he] was a fraud” and had given
    up on him. He told her his real last name, and said that he hoped to visit Atlanta
    sometime soon and wanted to have dinner with her.
    When Farley and Stephanie chatted again on March 8, 2007, he told her that
    he had met a woman from Toronto online who was “active” with her ten-year-old
    daughter. He said that the woman lets her daughter see her masturbating, “lets her
    touch and has taught her how to rub . . . herself,” and had even allowed Farley to
    watch the process by using a webcam. Farley asked Stephanie if she had done
    anything similar with her own daughter, and suggested once again that she rent a
    pornographic movie and arrange for Sydney to catch her masturbating while
    8
    watching it. He advised that Stephanie should not act shocked or surprised when
    her daughter walked in, because “she needs to see you doing things . . . before I
    show up and get involved.” He told Stephanie that night was the night to start:
    “Have her and you get in just t-shirt and panties, and when you start playing . . .
    tell her it feels good and is natural, walk her through it by talking to her, tell her
    what to do, then ask her if she wants you to help her, touch her and get her to touch
    you.” He also suggested she get a webcam so that she and Sydney could chat with
    the Toronto woman and her daughter, “letting Sydney see it’s ok and teaching her
    together.”
    On March 23, 2007, Farley was laid off from his job as Regional Vice
    President for the Dallas branch of Dalrada Financial Corporation.2 That same day
    several images of child pornography were downloaded onto Farley’s laptop.
    Farley thereafter did part-time contract work for an affiliated company, Strategic
    Staffing Services, and continued to work from Dalrada’s office.
    During April 2007, Farley made several attempts to reach Stephanie through
    offline messaging. On April 25, Stephanie wrote back expressing impatience with
    him: “I thought you were for real. . . . I get the feeling you are all talk . . . if [you
    are] not full of BS let me know.” Farley told her he had lost his job but he still
    2
    Farley lost his job after he had gotten in trouble for using a company-issued debit card
    to pay for access to an online porn site, but according to his former supervisor, Farley was not
    fired but was laid off because of corporate downsizing.
    9
    hoped to make a trip to Atlanta. On April 30, they chatted again. Farley assured
    her that he was not “full of crap” and would not have left so many messages for her
    if he was. Stephanie wanted to make sure “you and I are on the same sheet.”
    Farley responded, “As long as you are not a cop we are.”
    Farley then asked her if she had tried “the movie thing.” She said that she
    had watched one, and that Sydney had peeked in and asked some questions. When
    he asked if Sydney had seen her masturbating yet, Stephanie told him that she had
    to be careful because she did not want to “freak her out.” Farley said he totally
    understood, “but to be natural for her she needs to see it being [done] naturally
    without feeling like it is something to hide or be ashamed of. If she walked in and
    you were playing with yourself, you could explain that the movie and doing that
    makes you feel good.” Stephanie told him that Sydney had heard about
    masturbation from some of her friends, and Farley questioned her in detail about
    that, calling it “too cute.” Stephanie complained that Farley was expecting her to
    do all the talking. Farley answered, “We have talked in detail in the past about
    how you want things to happen; we both know that we want the same thing.”
    Asked why he wanted to be involved in it, Farley answered, “because I want to be
    part of a mutual, sensual, family experience where it is open, supported, gentle,
    wanted.” They then exchanged telephone numbers and had a brief phone
    10
    conversation in which they discussed the possibility of him visiting Atlanta. On
    the same day, Farley emailed Chris Polk, owner of Strategic Staffing Services, and
    suggested that they arrange a business meeting with a prospective client in Atlanta
    sometime in the next few weeks. The Atlanta meeting was not Polk’s idea but
    Farley’s.
    On May 2, 2007, Farley initiated another chat and told Stephanie he planned
    to visit Atlanta in two weeks. In the meantime, Farley gave Stephanie a
    “homework assignment” to watch a few more adult movies with Sydney before he
    arrived. He instructed her to put on a video and call Sydney in to join her; then
    Farley would call and talk to Sydney while she watched the pornography.
    Stephanie was to introduce Farley to Sydney as an “old friend” with whom she
    liked to do things “like she sees in the videos.” Farley suggested that they bring a
    camera to take pictures and “have our own home movies.” Once again, Farley
    expressed concern that he might be walking into a “Dateline NBC”-style sting
    operation. Noting that he had been unable to find any phone listing for a
    “Stephanie Miller” in Riverdale, the Atlanta suburb where she had told him she
    lived, Farley worried about “showing up for dinner with you and having Dateline
    there waiting for me because [of] what we have talked about.” “Let’s make a
    11
    pact,” he proposed: “I promise that I am not a cop and will not bring Dateline if
    you do too.”
    On May 3, 2007, Farley called to ask Stephanie what she had told Sydney
    about him and inquired if Sydney was there. Sydney then got on the phone.
    Farley asked her how school was going. When Stephanie came back on, Farley
    asked if she and Sydney would be watching a movie that evening.
    On May 4, 2007, Farley took the conversation to a new low, describing to
    Stephanie in graphic detail what he intended to do to Sydney, who had recently had
    a birthday and was now eleven years old. He began their chat session on that date
    by asking Stephanie what had happened during the movie the previous evening.
    She told him that while they watched the pornographic video she “began touching .
    . . and rubbing her [daughter]” and that she told Sydney they were watching the
    video “so that she would know what was going to happen.” Farley then narrated a
    “dream” he had about the mother and daughter, which amounted to his step-by-
    step plan for how he and Stephanie would sexually molest Sydney.3 First, they
    would all three sit on the couch and watch a pornographic movie together. As they
    were watching it, Stephanie would remove Farley’s clothes and while they were
    3
    In his May 4, 2007 chat session and email to Stephanie, Farley went into a great deal of
    detail, graphically describing every aspect of the sexual violation of Sydney that he planned.
    Quoting all that he said would be tantamount to publishing obscenity, so we will instead
    summarize his statements and include only enough description to leave no doubt about the
    nature and extent of the acts that Farley intended.
    12
    kissing he would rub her breasts, she would rub his penis, and then she would take
    the child’s hand and put it on his penis and help her “feel the real thing” while they
    watched the movie. When Stephanie remarked that Farley’s dream “sounds so
    real,” he responded “Yes, that is how I see it happening.” Farley then described
    how they would have the child masturbate him while he masturbated Stephanie,
    and then have her masturbate her mother. After that, Farley would have the child
    perform oral sex on her mother after he showed her how to do it. They would, he
    said, “go back and forth taking turns.”
    Later that same day, Farley emailed Stephanie to finish his description of his
    “dream,” picking up where their earlier chat session had left off. He described
    how, after he and Sydney had performed oral sex on Stephanie, they would then
    tell the child that it was her turn and how good it was going to feel. The mother
    and Farley would take turns performing oral sex on the little girl, masturbating her,
    and digitally penetrating her. Then they would have her watch closely as Farley
    had sexual intercourse with her mother, and after awhile the mother would place
    the child on Farley’s lap and help him penetrate the child and have sexual
    intercourse with her. That part of their session would end with mother and
    daughter performing fellatio on Farley. Then, as Farley described it, “we move on
    to round two.”
    13
    The next day, May 5, 2007, Farley called Stephanie and asked if she had
    read his email. Farley also talked about his children’s soccer games and joked
    about wanting to coach eleven- and twelve-year-old girls. He told Stephanie he
    would be arriving in Atlanta on the evening of May 15th. He later left her two
    more voicemail messages asking if she had read the email yet. On May 7,
    Stephanie replied to Farley’s email and asked him if the scenario it described was
    just a dream, or was his plan for what actually would happen when he visited. On
    May 9, Farley responded that he “can’t wait to see the real thing.” In a chat
    session, Farley told Stephanie that he had been “rock hard” while typing the email,
    and that she and Sydney could be his “second family.” When Stephanie asked if
    he was nervous, Farley responded:
    Very!!! Actually scared that I am going to show up, get busted, and have to
    explain that to my wife and kids. . . . OK, since we are on the paranoid
    conversation . . . please assure me that I am not walking into some kind of
    Dateline type set up. Repeat after me: I am not a cop, I am not setting you
    up, I am not working under the authority of any police authority.
    Farley then asked Stephanie to watch another pornographic movie with
    Sydney before he arrived and said that he would love for Sydney to “help” her
    mother masturbate one more time. Still seeking reassurance that Sydney was real,
    Farley asked Stephanie to send a picture of the two of them together holding a sign
    that said “Can’t wait to see you Kelly.” Stephanie emailed back to say that Sydney
    14
    “thinks [he is] so cute” and that she was excited to know they would share the
    experience together. She asked Farley what they should wear. Farley emailed
    back the next day, May 10, and repeated his request for a picture of Sydney. He
    suggested that the eleven-year-old come to their meeting wearing no panties.
    On May 10, 2007, Farley booked a ticket on American Airlines to fly from
    Dallas to Atlanta on the afternoon of May 15 and return on the afternoon of May
    16, and he made a reservation for the night at the Holiday Inn on Spring Hill
    Parkway in Smyrna, a suburb of Atlanta. Chris Polk’s company arranged to pay
    for Farley’s flight, hotel, and rental car. Farley was scheduled to meet on the
    morning of May 16 with a prospective client at an office on Roswell Road in
    Marietta, another suburb of Atlanta.
    On May 11, 2007, Farley emailed Stephanie and again suggested that she
    watch a movie with Sydney and “get her help a little more” with masturbation. He
    asked for Stephanie’s address so that he could go on Mapquest and plan his route
    from her house either to his hotel, or to his meeting the next morning, “depending
    on how the night goes.” In a phone call later that day, Farley asked Stephanie how
    much Sydney knew about what was going to happen. Stephanie responded that she
    had told Sydney they would be doing “what we saw in the movies” and that the
    15
    eleven-year-old had asked if it would hurt. Farley told Stephanie that was a “good
    question.”
    Farley then inquired if Sydney knew “not to tell anybody.” He asked where
    they should meet for dinner, and Stephanie suggested the IHOP restaurant in
    Riverdale. In a second phone call, Farley again expressed his fear that he would be
    walking into a sting operation with “TV cameras.” However, that fear did not stop
    him from planning further details of his visit. Farley promised he would try to
    book an earlier flight so that the sexual molestation of the eleven-year-old would
    not keep her up past her bedtime. He also suggested that they serve her some wine
    coolers.
    Two days later, on May 13, 2007, Stephanie told Farley in an email that she
    had taken her daughter to Six Flags amusement park where Sydney had gotten a
    bad sunburn. Stephanie said the child asked her if sex would “hurt really bad,”
    because one of her friends had told her that it would. She asked Farley to send
    Sydney an email reassuring her. On May 14, the day before his planned trip,
    Farley initiated a chat with Stephanie and told her to assure her daughter that “it
    will all be fun for everyone, and no one will do anything they don’t want.” When
    Stephanie again mentioned Sydney’s sunburn, Farley said they would “rub some
    lotion on her.” He asked if the eleven-year-old had any hair growing “down there”
    16
    yet, and suggested that Stephanie shave off her own pubic hair so that she would
    “match” her daughter. He told Stephanie to have her camera ready. Farley then
    sent Stephanie an email addressed to “Syd.” Writing directly to the eleven-year-
    old girl, Farley said the following:
    I hope your sunburn is feeling ok. I am sorry we didn’t get to talk this
    weekend. I am looking forward to seeing you tomorrow. We will all have a
    great time hanging out. Please don’t worry about anything, we will not [be]
    doing anything that will hurt you or that you don’t feel comfortable with.
    The idea is for all of us to have a really good time together and that is fun!!
    I am sure that you have seen what a good time those folks have on the
    movies, that is how we will be. We will take pictures and laugh and share in
    some fun times. I hope that the sun burn is better, if it still hurts we can
    make sure to rub lots of lotion on it to help the pain. I understand you are
    not feeling well today, I hope you feel better. I am looking forward to
    dinner tomorrow night. If you are at home tomorrow I will try and call in
    the morning before I leave.
    Farley then sent Stephanie two more emails. Attached to one was a
    photograph of his face; to the other, a photograph of his penis. In a phone
    conversation the following morning, Stephanie asked if “that” was “for me or for
    her.” Farley answered: “Both.” On the afternoon of May 15, 2007, Farley flew
    from Dallas to Atlanta on American Airlines flight 474 to conduct his business and
    to live out his dream of having sex with an eleven-year-old child and her mother.
    II.
    Of course it was not to be. The woman Farley knew as “Stephanie” was
    actually Detective Joanne Southerland, a Clayton County Sheriff’s Office
    17
    investigator and a member of the FBI’s “Safe Child” task force, who was
    conducting an undercover investigation into child exploitation. She had been
    involved in over a hundred similar investigations, and Farley is not the first of her
    online correspondents to end up before this Court. See United States v. Mooney,
    303 F. App’x 737, 739 (11th Cir. 2008) (per curiam). Law enforcement personnel
    recorded and preserved Farley’s chats, emails, instant messages, voicemails, and
    phone conversations with Stephanie. There was no “Sydney.” The voice Farley
    heard in what he thought was a phone conversation with the child belonged to an
    FBI employee speaking in a childlike voice. As Farley had suspected out loud to
    “Stephanie” on seven different occasions, it was a sting operation. Still, he had
    single-mindedly pursued his “dream.”4
    4
    Farley’s damn-the-suspicions-and-full-speed-ahead recklessness is not unusual with sex
    predators who prey on children. In his book former FBI Director Louis Freeh tells about an
    early operation, called “Innocent Images,” the Bureau set up to catch those who used chat rooms
    to search for victims:
    I’m not sure anymore what I expected Innocent Images to turn up by way of
    numbers, but whatever it was, it was insufficient to the reality. It was like happening
    upon some incredible trout stream never before visited. The fish just couldn’t stop taking
    the bait. The more people we put on the program, the more cases we made. A little
    publicity followed. Surely, I figured, word would get around, and the bait taking would
    slow down. But no.
    I said as much one day to one of our young agents working the Internet for
    Innocent Images.
    “This can’t last, can it?”
    “Watch this,” she answered as she plunged into yet another chat room.
    18
    A.
    When Farley’s flight landed at the Atlanta airport, the passengers were
    instructed to remain seated. Task force head Agent Stephen Paganucci and Agent
    John Robinson, along with a uniformed officer from the Atlanta Police
    Department, boarded the plane at 4:35 p.m. and went to Farley’s seat. They asked
    him for identification, told him to stand up, and handcuffed him. Paganucci told
    Farley he was being detained for questioning but could not remember whether he
    specifically told him he was under arrest. The agents retrieved Farley’s suitcase
    and briefcase, led him out of the plane and into a nearby police car, and drove him
    to the Atlanta Police Department’s airport substation.
    Soon after they arrived at the substation, between 4:45 and 4:47 p.m., Agent
    Paganucci showed Farley an “Advice of Rights” form and read each warning out
    loud as Farley initialed it. Farley acknowledged he understood that he had the
    “Hi,” she typed in, “I’m Amy, I’m thirteen, and I’m lonely. Is anyone there?”
    Within seconds, she had ten hits. Then she changed course dramatically.
    “I’m not Amy,” she pecked in. “I’m a twenty-eight-year-old FBI agent.”
    But that didn’t stop things for a moment.
    “Yeah, right,” came the responses. “Where can I meet you?”
    We were laughing watching the screen, but it wasn’t humorous in the least.
    Louis J. Freeh, My FBI 197–98 (2005).
    19
    right to remain silent, that anything he said could be used against him in court, that
    he had the right to talk to a lawyer before questioning and during questioning, that
    a lawyer would be appointed for him if he could not afford one, and that if he
    decided to answer questions without a lawyer present, he had the right to stop
    answering them at any time. Farley then signed a “Waiver of Rights” on the same
    form, which stated that he had read the warnings and understood them, and that he
    was willing to answer questions without a lawyer present.
    Agents Paganucci and Robinson spent about an hour and a half questioning
    Farley in the substation’s conference room. Farley was cuffed to his chair by one
    hand, but he was allowed to go to the bathroom when he asked. Paganucci
    testified that the questioning was “cordial” at first and then gradually got more
    “accusatory,” but the agents never yelled at Farley or drew their weapons.
    Agent Paganucci initially attempted to disguise the purpose of the
    questioning by telling Farley it was a national security matter. He told Farley
    “there was some FBI program that picks up certain words online like terrorist,
    threats and things of that nature.” Paganucci may also have told Farley that the
    interview would last about forty-five minutes. The record does not indicate
    whether he made these remarks before or after he advised Farley of his rights. At
    some point during the interview, Paganucci falsely told Farley they were waiting
    20
    on a fax from the FBI’s Dallas office. Once the questioning got underway,
    however, it quickly became clear that the agents were asking whether Farley had
    come to Atlanta to have sex with a child. Paganucci testified that all of Farley’s
    statements were made after he had been advised of his rights and had waived them.
    According to Agent Paganucci,5 Farley admitted that he was the exclusive
    user of the Yahoo! account from which all of the emails and chats with Stephanie
    had originated. He told the agents that he spent two or three hours a week in
    sexually oriented chat rooms and had met Stephanie in one of them. At this point,
    Farley did not know that “Stephanie” was really an undercover agent and
    apparently did not know that there was a verbatim record of all of his emails, chats,
    and phone conversations with her. He admitted to the agents that he had engaged
    in sexually oriented chats with Stephanie, but said that she had been the one
    pushing the idea of him having sex with her daughter. Farley claimed he had only
    played along with her “fantasy” because he wanted to have sex with Stephanie and
    insisted he had no interest in having sex with a child and did not find the idea
    arousing.
    5
    Consistent with FBI policy, the interview was not recorded, and Farley did not write out
    a statement. Agent Paganucci took notes and later wrote up a four-page report, mostly
    paraphrasing Farley’s oral statements but marking a few phrases as direct quotes. The facts in
    this part of our opinion are taken from Paganucci’s testimony at trial.
    21
    When the agents accused Farley of working with Stephanie to “groom” the
    child for sex, Farley denied it, although he admitted that he knew Stephanie had
    shown her daughter a pornographic video. When the agents asked him about his
    purported sexual relationship with a fourteen-year-old girl he had met online,
    Farley said he had made that up to impress Stephanie.6 When they asked him if
    they would find any child pornography on his computer, Farley admitted that he
    had viewed such images more than once while browsing the internet, but he
    insisted that he never searched for them and always deleted them after viewing.
    Farley admitted sending Stephanie a picture of his penis. He said that the main
    purpose of his Atlanta trip was to arrange a business deal for Strategic Staffing
    Services, but he admitted that he had planned to call Stephanie and then meet her
    and Sydney at the IHOP restaurant. He told the agents he thought Sydney was
    twelve years old.
    While Agents Paganucci and Robinson were beginning their interview of
    Farley, other agents conducted a warrantless search of the suitcase and briefcase he
    had brought with him on the flight. There was nothing of interest in the suitcase,
    but in the briefcase the agents found a Toshiba laptop computer and a printout of
    Mapquest directions from the airport to the IHOP restaurant in Riverdale where
    6
    The government was not able to determine whether this fourteen-year-old existed. Nor
    could it identify the mother and daughter from Toronto with whom Farley had supposedly
    chatted on webcam, and Farley claimed he made them up too.
    22
    Farley had agreed to meet Stephanie and Sydney. Also in the briefcase were
    Mapquest directions from the airport to the hotel, and from the hotel to the next
    morning’s business meeting site, as well as documents for the business meeting.
    Toward the end of the interview, the agents asked Farley if he would
    cooperate by consenting to a search of his laptop computer, his Blackberry
    handheld device, his T-Mobile cell phone, and his Yahoo! account. When Farley
    expressed concern about needing his computer for his business meeting, Agent
    Paganucci offered to copy whatever files he needed onto a disk for him. Farley
    agreed to the search and signed “Consent to Search” forms for each item.
    Forensic examination of the laptop would later reveal about 100 images of
    children ranging from toddlers to early teens engaging in sexual activity including
    oral, vaginal, and anal penetration.7 At least 10 of these images showed girls who
    appeared to be the same age as “Sydney.” Most of the images had been deleted,
    and it was impossible to tell whether Farley had deliberately downloaded them or
    whether his internet browser had cached them automatically when he viewed them
    on a website. However, at least one image appeared to have been obtained through
    7
    The FBI’s computer forensic examiner described the images only as “suspected” child
    pornography because none of them matched known child pornography images or known child
    victims already in the government’s database. From how those images are described in the
    record, however, there seems to be little or no doubt that they are child pornography. The record
    establishes that an agent reviewed the images and determined that they showed sexual acts
    involving children. For whatever reason, Farley was not charged with possession of child
    pornography.
    23
    a file sharing program. Some of the images bore date stamps indicating they had
    been saved onto Farley’s computer on March 23, 2007; for the others, date and
    time information could not be recovered. The laptop also contained evidence of
    Farley’s chats with Stephanie and electronic versions of the same Mapquest
    directions he had printed and brought with him to Atlanta.
    B.
    On June 12, 2007, a grand jury in the Northern District of Georgia indicted
    Farley on two counts. Count One charged that on May 15, 2007, he had
    knowingly crossed “a State line” with intent to engage in a sexual act with a person
    under the age of twelve, in violation of 
    18 U.S.C. § 2241
    (c). Count Two charged
    that between October 3, 2006 and May 15, 2007, Farley had used a computer
    connected to the internet, a facility of interstate commerce, and with it had
    knowingly attempted to persuade, induce, entice, and coerce a person under the age
    of eighteen to engage in sexual activity for which Farley could be charged with the
    criminal offense of child molestation under Georgia state law (O.C.G.A. § 16-6-4),
    in violation of 
    18 U.S.C. § 2422
    (b). He pleaded not guilty.
    C.
    Farley moved to dismiss the indictment on two grounds. One was that the
    absence of an actual child made it legally impossible for him to commit the
    24
    charged crimes. The district court rejected that contention because it was
    foreclosed by binding precedent. See United States v. Root, 
    296 F.3d 1222
    ,
    1227–29 (11th Cir. 2002); see also United States v. Murrell, 
    368 F.3d 1283
    ,
    1286–88 (11th Cir. 2004). The second ground of the motion to dismiss contended
    that Farley’s communications with “Stephanie” were protected speech under the
    First Amendment. The district court also rejected that contention as contrary to
    circuit precedent. See United States v. Hornaday, 
    392 F.3d 1306
    , 1311 (11th Cir.
    2004).
    Farley also filed motions to suppress his post-arrest statements and all the
    evidence obtained from the search of his computer, contending that Agent
    Paganucci’s deceptive statements about the purpose of the questioning had
    rendered Farley’s Miranda waiver and consent to search involuntary. After
    conducting an evidentiary hearing, the magistrate judge issued a report and
    recommendation that the motions to suppress be denied. The report noted that it
    was unclear whether Paganucci’s remark about terrorism came before or after
    Farley was advised of his rights, but concluded that regardless of the timing
    Farley’s waiver was voluntary under the totality of the circumstances. The
    magistrate judge reasoned that any initial misrepresentations by the agents did not
    affect the validity of Farley’s consent to search because he had given that consent
    25
    toward the end of the interview when he was well aware of what the investigation
    was actually about. Farley objected to the magistrate judge’s report and
    recommendations about the motions to suppress, and he requested a de novo
    evidentiary hearing before the district court in order to clarify the timing of
    Paganucci’s statements and Farley’s waiver.
    The district court declined to order a new evidentiary hearing and denied
    Farley’s motion to suppress his post-arrest statements. Because Agent Paganucci
    had testified at the hearing before the magistrate judge that he could not recall the
    timing of his “deceptive” statements in relation to the waiver, a second round of
    testimony would be unlikely to clarify the matter. In any event, the district court
    reasoned that the timing of those statements did not matter. Even if they had
    occurred before Farley was advised of his rights, his Miranda waiver was knowing
    and voluntary under the totality of the circumstances, and all of his own statements
    came after that waiver.
    Farley also objected to the warrantless search of his briefcase, an issue the
    magistrate judge had not addressed because the parties had not mentioned it at the
    evidentiary hearing. Because he was not yet formally under arrest and had not yet
    given any consent when those bags were searched, Farley argued, the search was
    improper and the printed Mapquest directions found in the briefcase should be
    26
    excluded. Had the agents not opened the briefcase and seen a laptop inside it, they
    would not have known to ask him for consent to search the laptop. Therefore, he
    contended that everything found on the laptop should also be excluded as “fruit of
    the poisonous tree.” The district court concluded that Farley had been arrested
    when the agents detained him on the plane and that the search of his briefcase was
    permissible. Therefore, the printed Mapquest directions were admissible and
    consent to search the laptop was validly obtained.8
    The government anticipated that Farley would claim at trial that he had not
    actually intended to have sex with a child, and it wanted to put into evidence the
    child pornography found on his computer to show that he had an “unhealthy or
    prurient interest” in sex with children. So the government gave notice that it
    intended to offer the child pornography from Farley’s laptop either as inextricably
    intertwined evidence or as extrinsic evidence of his intent under Fed. R. Evid.
    404(b). Farley responded with a motion in limine to exclude the child
    pornography images, arguing that their probative value was outweighed by their
    prejudicial impact because the government could not prove exactly how they had
    gotten onto his computer and because the criminal intent for a child pornography
    8
    Farley had also moved to suppress any evidence obtained from the search of his
    suitcase, but that issue was mooted by the fact that no evidence was obtained from it.
    27
    offense was not the same as the intent required for the crimes with which he was
    charged.
    After the government indicated that it would limit its offer of the child
    pornography evidence to only those images depicting girls of similar age to
    Farley’s intended victim, the court preliminarily ruled that those images were
    admissible as evidence intrinsic to the charged offenses and denied Farley’s motion
    to exclude them. During the trial itself, when the issue arose again, the court
    allowed the government to introduce ten of the images.
    Meanwhile, Farley sought to introduce two pieces of evidence he said would
    help prove that he lacked any intent to have sex with a child. He filed notice of his
    intent to introduce the results of a polygraph examination he had taken several
    months after his arrest. The examiner, hired by Farley, found no deception
    indicated when Farley answered “No” to the question “When you arrived at the
    Atlanta airport on May 15th, were you planning to engage in sexual activity with a
    child under the age of twelve?” Farley did not inform the government or the court
    about the polygraph until after being told that he had passed it. Farley also wanted
    to introduce the results of an investigation by the Texas Department of Family and
    Protective Services, which found no evidence that he had sexually abused any of
    28
    his own children.9 Farley argued that report was relevant because it showed he was
    not a pedophile. The government opposed admission of the polygraph on grounds
    that it was unreliable and irrelevant, and it moved in limine to exclude the Family
    Services report as hearsay and irrelevant.
    The district court noted that it would have required a Daubert hearing before
    allowing a jury to hear about the polygraph, but there was not going to be a jury.
    Farley waived his right to a jury and requested a bench trial before the district
    court. The government did not object, and the district court granted the request.
    Since the court was going to be the factfinder, it decided to hear the government’s
    challenge to the scientific validity of the polygraph and the evidence about the
    results of the examination at the same time. The court excluded as irrelevant the
    Texas Family Services report but made a finding that Farley had not molested his
    own children.
    D.
    Farley’s bench trial commenced on April 23, 2008, and lasted two and a half
    days. During it Farley conceded that he was the author of the chats and emails and
    that the chat transcripts were accurate, and stipulated that he had used a computer
    9
    Soon after learning of Farley’s arrest, his wife called the Texas Department of Family
    and Protective Services to report that he may have sexually abused their children. On July 6,
    2007, the Department formally “ruled out” the allegation of abuse, meaning that its staff had
    “determined, based on available information, that it is reasonable to conclude that the abuse or
    neglect has not occurred.”
    29
    connected to the internet, a facility of interstate commerce, to communicate with
    Detective Southerland. The sole issue at trial was whether Farley actually intended
    to have sex with the child, “Sydney,” or was merely engaging in an “internet
    fantasy.” Detective Southerland testified about Farley’s communications with her
    as “Stephanie,” going through them in chronological order and quoting them
    extensively. The chat transcripts, offline messages, and emails were admitted into
    evidence, and the recordings of the phone conversations were played for the court.
    The printed Mapquest directions found in Farley’s briefcase, which showed him
    how to get from the airport to the IHOP restaurant in Riverdale where he was to
    meet Stephanie and Sydney, were also put into evidence.
    After defense counsel suggested in cross-examination that Southerland had
    been the one to steer the conversations toward sex, she clarified on redirect that
    when playing the “Stephanie” role she had never said anything sexual about her
    fictional daughter until someone with “those interests” raised the topic.
    Agent Paganucci testified about Farley’s arrest and his post-arrest
    statements, which we have already summarized. A computer forensic examiner for
    the FBI testified about his examination of the laptop and introduced ten child
    pornography images he had found on it, images which depicted children similar in
    age to Sydney engaged in sexual acts. Those images were selected from a group of
    30
    about 100 recovered from the laptop, showing “minor children from approximately
    2 years old to early teens involved in illegal sexual contact including oral sex,
    vaginal and anal penetration.”
    The government then rested. The court denied Farley’s Rule 29 motion for
    judgment of acquittal, finding that there was sufficient evidence for a reasonable
    factfinder to find him guilty beyond a reasonable doubt.
    In his own defense Farley took the stand and attempted to explain away the
    evidence against him. He admitted spending several hours a week in sexually
    themed chat rooms, but said he never met with any of his chat partners in person
    because what he wanted was online anonymity without any expectation of meeting
    “for real.” Farley explained that he went to the chat rooms to escape from the real-
    world pressures of job and family. He insisted that when he met Stephanie in the
    “incest” room and asked her whether she was sexually active with her daughter, he
    was just trying to find out Stephanie’s “fantasies” so that he could play along with
    them. His story was that he believed Stephanie was merely engaging in online
    role-playing, and he assumed that she either did not have a daughter or if she did
    was not actually doing anything sexual with her, because “anybody can be
    anybody” on the internet. Even though Farley had repeatedly assured Stephanie
    that he was “for real,” that was just part of his act. When he instructed Stephanie
    31
    to make sure Sydney knew not to tell anyone about the molestation, he was just
    role-playing. Every time he expressed worry about encountering police or TV
    cameras, that too was just a reflection of the “taboo nature” of the fantasy, the kind
    of thing he thought Stephanie wanted to hear because it was the kind of thing a
    person who wanted to have sex with an eleven-year-old would say.
    Farley insisted he was not actually interested in sex with the child and that
    he only pretended that he was because he was attracted to Stephanie and did not
    want her to lose interest in him. He felt like they had “hit it off” and developed a
    real relationship; they spent a lot of time in their chats talking about things other
    than sex with children. However, he had no expectation of meeting her in the
    flesh. His true objective in the chats, he testified, was to get Stephanie to
    masturbate for him while he watched her on webcam—even though he could not
    specifically identify any point in seven months’ worth of chat transcripts at which
    he had asked her to do that. Farley admitted sending an email addressed directly to
    Sydney that referred to sexual activity, but said he did not think Stephanie would
    actually show the email to her daughter. Sending the picture of his penis was just a
    “spur-of-the-moment thing.”
    Even though Farley told Stephanie he was coming to Atlanta on the evening
    of May 15th, and had arranged to meet her and Sydney at the IHOP restaurant in
    32
    Riverdale, he testified that he had no intention of actually showing up for their
    meeting. Given that story, Farley had some difficulty explaining how the printed
    Mapquest directions to the restaurant had found their way into his briefcase. He
    admitted that he had purposely looked up the directions online, but thought he
    must have accidentally printed them and then accidentally grabbed them from the
    office printer along with a stack of other documents for his business meeting.
    On cross-examination Farley could not explain why, if he wanted nothing
    more than an anonymous online relationship, he had told Stephanie his real name
    and true details about his family and his job. Nor was he able to explain why he
    was so attracted to a woman who told him she wanted to have sex with her own
    child, if he himself did not share that desire. Farley’s disavowal of sexual interest
    in children was undermined by evidence of his membership in online groups like
    “tiny puffy,”10 in which he had sent an email to a fellow member saying “great pics
    . . . I would love to see more of that age,” and “kinky kids.” He also sent an email
    to another Yahoo! user with “pussy sex children” in the subject line. Farley was
    also forced to admit he had joined a teen social networking site called “E-Spin the
    Bottle,” where his profile identified him as a seventeen-year-old boy named
    10
    This term apparently describes the physical appearance of the developing breasts of
    young adolescent girls, although Farley claimed he thought it referred to adult women with small
    breasts.
    33
    “Michael Johnson” who wanted to meet white females of “age range 13 to 17.”
    And he had to admit that he encouraged Stephanie to show her daughter
    pornographic movies and teach her how to masturbate, although he insisted he did
    not expect her to do it. Finally, he conceded that during the time they were
    communicating he could not be entirely certain Stephanie was not actually
    molesting a real child at his urging.
    Farley presented two other witnesses in his defense. James Partin, a former
    executive at Dalrada, testified that the reason Farley was laid off by that company
    was not the charges on his company debit card for pornographic web sites.
    Polygrapher Mark Foster testified about his examination of Farley. Foster
    admitted that polygraphy was “part science, part art.” The defense then rested, and
    the court again denied Farley’s Rule 29 motion for a judgment of acquittal.
    After hearing closing arguments, the district court announced its factual
    findings and verdict. See Fed. R. Crim. P. 23(c). The court started with Count
    Two, which charged a violation of 
    18 U.S.C. § 2422
    (b), because it felt that count
    was the more straightforward of the two. The court found beyond a reasonable
    doubt that Farley had persuaded, induced, or enticed an individual under the age of
    eighteen to engage in sexual activity, or had attempted to do so, and that he had
    done so knowingly—“voluntarily and intentionally and not because of a mistake or
    34
    accident.” The court observed that it had “very little trouble finding beyond a
    reasonable doubt that [he did believe] there was a real child and that this child was
    under the age of 18.” The court explained that Farley’s testimony that it was all a
    fantasy for him “does not comport with the evidence in the case,” including the
    fact that he had used his real name, his real job, and had given real information
    about this family; he had told “Stephanie” that his children played soccer and that
    he had been to Georgia on soccer trips with them, which was true; and he had
    conceded in his testimony “that the relationship had evolved into a relationship, an
    affair.” The court was satisfied beyond a reasonable doubt that Farley’s instruction
    about “how to groom the child sexually was done in anticipation of his own sexual
    contact with the child,” which, had it occurred, would have been a criminal offense
    under the laws of Georgia. And all of this, the court repeated, had been done
    knowingly and willfully instead of by mistake or accident.
    Having found Farley guilty under Count Two, the court turned to Count
    One, which charged a violation of 
    18 U.S.C. § 2241
    (c). It had no problem finding
    that Farley had knowingly crossed the state line, which left the question of intent.
    The court reiterated its earlier findings that Farley believed there was an actual
    minor child as evidenced by the fact that he spoke to the child and sent an email to
    her, and also by his inquiries about the child’s physical development. On the
    35
    question of intent, the court indicated that if it had been a jury trial, the testimony
    of the polygraph examiner would have been excluded under the Daubert test and
    also because it would not be helpful to the factfinder. Instead of formally
    excluding that testimony, the court simply said that the polygrapher’s testimony
    “does not weigh heavily in my evaluation of the evidence in this case.”
    The court rejected Farley’s testimony that he did not intend to travel to the
    IHOP to meet the mother and daughter. It found his testimony to be inconsistent
    and not credible. Among other things, the court asked, if Farley had not intended
    to meet the mother and her child why did he tell her that he was coming to Atlanta
    in the first place? “Paramount” to the court’s evaluation of Farley’s credibility was
    his implausible explanation of how the printed Mapquest directions ended up in his
    briefcase. The court found that story incredible and reasoned that it tainted
    Farley’s credibility as to the other things that he said. The court finished up its
    findings with the following:
    I found beyond a reasonable doubt that he believed there was a real
    person with a real child. But I also think the evidence demonstrates
    that he couldn’t have known for sure whether this person was going to
    show up or not or what was going to happen. But based on all of the
    considerations, and really largely my observations of Mr. Farley on
    the stand, and the things that he said, the things that he testified to
    under oath, that it was his intent to go to Ms. Southerland, Stephanie.
    And I also find that had Stephanie shown up and made the child
    available, that it was Mr. Farley’s intent to sexually assault that child
    or participate in the sexual assault of that child. And based on those
    36
    findings I find, again, tragically, that Mr. Farley is guilty beyond a
    reasonable doubt of aggravated sexual abuse as that term has been
    defined, and that he is guilty of that crime, violating Title 18, United
    States Code, section 2241(c).
    E.
    Because Farley’s criminal conduct took place after July 27, 2006, he faced
    the considerably more severe sentences for child sex offenses mandated by
    Congress in the Adam Walsh Child Protection and Safety Act of 2006, Pub. L. No.
    109-248, 
    120 Stat. 587
     (2006). That Act imposed a mandatory minimum sentence
    of thirty years for crossing a state line to have sex with a child under twelve in
    violation of 
    18 U.S.C. § 2241
    (c). 
    Id.
     § 206. It also raised the mandatory minimum
    sentence for using a computer to entice a minor, in violation of 
    18 U.S.C. § 2422
    (b), from five years to ten years. 
    Id.
     § 203. The maximum sentence allowed
    by law for both crimes was life in prison. Id. §§ 203, 206.
    On June 20, 2008, the Probation Office released its Presentence Report. It
    advised that Farley’s base offense level was 30, to which were added four levels
    because the intended victim was under age twelve, and two levels because Farley
    used a computer. See U.S.S.G. § 2A3.1 (2006). Another two levels were added
    for obstruction of justice through perjury, based on the court’s finding that Farley
    had not testified credibly when he said he did not intend to have sex with the child.
    37
    See id. § 3C1.1. The additions gave Farley a total offense level of 38. With no
    criminal history, he faced a guidelines sentence range of 235 to 293 months in
    prison. (Without the obstruction enhancement, the offense level would have been
    36 and the guidelines range would be 188 to 235 months.) As the PSR
    acknowledged, however, the thirty-year mandatory minimum sentence for the 
    18 U.S.C. § 2241
    (c) conviction overrode the lower guidelines range. Farley objected
    to the obstruction enhancement, arguing that his polygraph proved he did not lie on
    the stand.
    F.
    In a letter to the court, Farley confessed he suffered from an “addiction” to
    online pornography and fantasy chat rooms, and claimed that he was “sickened” by
    what he had written in the chats. However, he insisted that he was innocent of the
    charges and had never intended to engage in sex with a child. Farley complained
    that the government was more interested in getting a conviction for a “hot topic”
    crime than in doing justice. He promised the court that if it showed him mercy, he
    would “use this situation for good” by speaking to church groups and men’s
    groups about “the danger of sexual addictions and the internet.” He begged the
    court not to let his children grow up without a father. Farley also asked the court
    38
    to consider the Texas Department of Family and Protective Services’ finding that
    he had not molested his children.
    Farley submitted to the court letters of support written by his mother and
    father, his aunt and uncle, and one of his six children, the nine-year-old daughter.
    Farley’s mother described him as “very devoted to his children and his wife,” and a
    “loving and very active father” who, together with his wife, had done an “amazing
    job” with their children. Even though she read the chats and heard the trial
    testimony, Farley’s mother could “not believe that [he] would ever harm anyone,
    especially, a child” and “still believe[d] in [her] heart” that he would not have met
    with Stephanie. Nevertheless, she admitted that her son had a “serious addiction to
    pornography.” After “hearing all the testimony and seeing the amount of time
    spent in chat rooms,” she had a “better understanding” of the family’s financial
    problems. Farley’s mother could not understand how a thirty-year sentence could
    be “fair and just” for Farley, who had never harmed anyone, when murderers and
    rapists often got less.
    Farley’s father, who admitted he had not been close to his son for many
    years, blamed business failures, the “pressures” of supporting five children, and
    criticism from in-laws for driving Farley to become a “sex addict.” He believed
    that his son needed professional mental health counseling to “cleanse his mind and
    39
    soul,” and said that “[o]nly God and Kelly know” what Farley’s intent was when
    he boarded the flight to Atlanta. Farley’s aunt and uncle sent a short letter praising
    him as a “good family member” and a “good member of his church.” Farley also
    submitted letters written to him by his nine-year-old daughter, in which she said
    that she loved him and missed him.
    Farley’s family support, however, was far from unanimous. When he flew
    to Atlanta to have a sexual tryst with a mother and her eleven-year-old child,
    Farley had left at home in McKinney, Texas his five children and a wife, who was
    only weeks away from delivering their sixth child. Before the sentence hearing a
    year later, Farley’s wife wrote the court to give it “a clear and truthful picture of
    me and my kids” who were struggling to survive the economic and emotional harm
    that Farley had inflicted on them by committing this crime. The fact that, while a
    father and husband, Farley “was also spending countless hours talking to other
    women and about hurting children” was “unnerving” to her, and she said that the
    “level of betrayal is almost more than anyone can bear.” Although his nine-year-
    old daughter had written to support Farley, his wife wanted the court to know that
    the little girl was too young to understand what her father had done, and that
    because of the crime he had committed the older children were angry at Farley,
    afraid of him, and embarrassed. His behavior had devastated the family and left
    40
    them penniless. Farley’s wife was left in such dire financial straits that she had
    only recently been able to file for divorce and “put other safety measures in place
    that I need and my children have asked me to do as well.”
    Farley’s mother- and father-in-law wrote to the court describing the pain he
    had caused his wife and children, which “goes on and on,” and urging the court to
    “sentence him to the full letter of the law.” His sister-in-law also wrote the court a
    letter describing all the hurt Farley had caused his wife and children, a letter that
    closed: “He is a child predator, the worst of his kind, and deserves the sentencing
    mandated by the two charges he’s been found guilty of.”
    G.
    Farley submitted for the court’s consideration at sentencing the results of a
    confidential psychosexual evaluation that he had commissioned several months
    before trial, which concluded that he did not meet the diagnostic criteria for
    pedophilia and that he posed a low risk of re-offending. Because that report seems
    to have influenced the district court’s ruling on the constitutionality of imposing
    the § 2241(c) mandatory minimum sentence on Farley, which is one of the issues
    in this appeal, we will discuss the report in some detail.
    Dr. Candice Osborn of the Behavioral Medicine Institute of Atlanta, who
    had twenty-five years of experience evaluating and treating sex offenders,
    41
    interviewed Farley on September 19, 2007, and completed her report on November
    16, 2007. Before speaking to Farley, Dr. Osborn reviewed Detective Southerland’s
    affidavit and read the chat transcripts and emails. She also reviewed Farley’s
    polygraph results and his own written narrative of the events leading up to his
    arrest. Her summary of those events largely followed the government’s
    allegations, although she noted where Farley’s version of the story differed.
    During the interview, Farley told Dr. Osborn about the evolution of his
    sexual interests. He had a normal childhood and was never abused. He said that
    he was first exposed to pornography at age twelve or thirteen when he found a
    magazine in a dumpster, and learned how to masturbate at age sixteen when he saw
    it on an adult video. In college, he regularly looked at adult magazines and videos.
    He stopped subscribing to Penthouse when his wife objected, but continued to
    view pornography in secret. He owned a snack-vending business in the early
    1990s; one of his customers was an adult book store, and he sometimes traded
    snacks for pornography. He spent two or three hours a week looking at the
    magazines in his office, sometimes masturbating when other employees had left for
    the day. The magazines “expanded his horizons” about different types of sex.
    Farley and his wife had sex less and less frequently; he said that was her fault
    because she put taking care of their young children ahead of his own needs. In
    42
    1994 or 1995, Farley discovered that he could find pornography on the internet
    from the computer in his office. He claimed he was mainly interested in pictures
    of adult heterosexual and lesbian couples. When the family moved to Atlanta in
    1994, Farley discovered online chat rooms. He spent four or five hours a week in
    rooms dedicated to “married and flirting” and “fantasy role-playing.” One day, his
    wife found the chats on his computer and became very upset. They sought
    counseling from their pastor, who told Farley that he was being selfish and hurting
    his marriage. Farley thought the pastor was “arrogant” and saw no harm in the
    chats. He was frustrated that his wife only wanted regular intercourse and would
    not “experiment” with other forms of sex. For some time after that incident, his
    wife regularly questioned him and checked his computer. She eventually stopped
    doing that, however, and Farley resumed viewing pornography and chatting online.
    After the family moved back to Dallas in 2005, Farley spent more and more
    time in sexually oriented chat rooms. He described the chat participants as a
    “reverse support group” of people who were non-judgmental and who accepted his
    sexual interests. Even so, he felt “guilty, dirty and angry with himself” for his
    actions. He talked on the phone with a few of the women he met online. Once he
    met a woman in the “married women looking for sex” chat room and then met her
    in person for lunch, but he did not have sex with her because he felt guilty. Farley
    43
    also participated in an online “role-play” where he pretended to be a college
    professor having sex with an eighteen-year-old student. He joined several Yahoo!
    groups related to various fetishes “such as panty hose, animals, etc.” Other
    members of those groups would email him sexually explicit pictures, and
    sometimes he would have to click on a hyperlink before he could see what was in
    the picture. (This was Farley’s explanation for how he might have accidentally
    received the child pornography found on his laptop computer.)
    Farley claimed he had no idea that the “Fetish 14” chat room where he met
    Stephanie was a meeting place for pedophiles. He knew the room’s focus was
    “older males with younger females,” but he thought this meant females aged
    eighteen to twenty-one. When Stephanie told him she was interested in ten-year-
    old girls, Farley played along only because he was attracted to Stephanie herself.
    He never considered any of it to be real, and he was “numb” to the idea of sex with
    a ten-year-old.
    Dr. Osborn administered a number of psychological tests. The Minnesota
    Multiphasic Personality Inventory and the Millon Clinical Multiaxial Inventory,
    two tests that evaluated the subject’s personality and mental health through a series
    of true/false questions, indicated that Farley did not suffer from any major
    psychiatric disorder. However, the test results were of “marginal validity” because
    44
    Farley was defensive and “attempted to place himself in an overly positive light by
    minimizing his faults.” That was not unusual for someone who had been accused
    of criminal behavior. Farley’s profile suggested a “veneer of sociability, maturity,
    and self-assurance” that cloaked a “fear of genuine autonomy” and a “deep
    antagonism.” The Millon test results described Farley as “alert to the thoughts of
    others” and therefore “able to appraise what actions will attain his ends.” He had
    developed a “highly adaptable lifestyle” and could “modify[] his behavior to the
    desire of others.” Although it was within normal limits, Farley’s profile suggested
    “narcissistic personality traits.”
    On a “Sexual Addiction Screening” questionnaire, Farley gave answers
    indicating that he viewed his sexual behavior as compulsive and out of control.
    The Abel Questionnaire for Men was an extensive 446-item survey about various
    deviant sexual behaviors, all based on self-reporting. Farley admitted to looking at
    transsexual and voyeuristic pornography and arranging to meet adult women for
    sex, but denied engaging in child molestation or any other deviant behavior, and
    denied having any sexual fantasies about or interest in children. The Abel test
    included a “cognitive distortion” component, which measured justifications and
    excuses frequently used by child molesters. Farley scored 8% on this measure,
    which was in the low range, indicating not a high cognitive distortion. The “social
    45
    desirability” subscale measured the subject’s unwillingness to admit to violations
    of social mores. Farley scored 65% on this measure, which might indicate an
    “inability or unwillingness to respond truthfully to others.”
    Dr. Osborn also administered a Reaction Time Assessment. In this test the
    subject is shown slides of partially clothed models wearing bathing suits or
    underwear, who represent both sexes and different races, and who range in age
    from toddlers to pre-adolescents to mid-teens to adults. The subject is asked to
    self-report his sexual interest in each picture while his visual reaction time is
    measured objectively. Farley’s objective results showed significant interest in
    adult and adolescent females, and “insignificant” interest in girls under ten or in
    males of any age. This was consistent with his self-reporting that he found the
    adult and adolescent females “mildly arousing” and the other models “highly
    sexually disgusting,” and was consistent with typical results for adult heterosexual
    males.
    Finally, Dr. Osborn performed a Static-99 Risk Assessment. This was not a
    test, but an actuarial calculation of recidivism risk based on known facts about the
    offense, the offender’s prior record, and the offender’s relationship with the victim.
    Farley scored a 1, the lowest risk category, because he had no previous offenses
    and his intended “victim” was not related to him. Offenders with the same score
    46
    are only 6–7% likely to be convicted of another sex offense within fifteen years of
    their first conviction. Based on his Static-99 score, Farley was not a “sexual
    predator” for purposes of Georgia’s sex-offender registration law.11
    Dr. Osborn concluded that Farley did not meet the diagnostic criteria for
    “pedophilia” as defined in the Diagnostic and Statistical Manual of Mental
    Disorders, because Farley did not admit having “recurrent, intense, sexually
    arousing fantasies, sexual urges, or behaviors involving sexual activity with a
    prepubescent child, over a period of at least six months.” See American
    Psychiatric Association, Diagnostic and Statistical Manual of Mental Disorders §
    302.2 (4th ed. text rev. 2000) (DSM-IV TR). Dr. Osborn reached that conclusion
    even though she had read seven months’ worth of chat transcripts in which Farley
    had repeatedly told a woman he thought was a mother that he wanted to have sex
    with her prepubescent child. (Apparently, a formal diagnosis of pedophilia from
    Dr. Osborn would not be possible unless Farley actually had sex with a child, or
    admitted to a psychiatrist—rather than to an undercover police officer—that he
    really wanted to.)
    Even though Dr. Osborn was of the opinion that Farley presented a low risk
    of re-offending and did not meet the DSM-IV criteria for pedophilia, in light of his
    11
    The Georgia Sex Offender Registration and Review Board classifies anyone scoring 5
    or higher on the Static-99 as a “dangerous sexual predator[].” As discussed below, however, the
    definition of “sexual predator” varies widely across different jurisdictions. See infra p.57.
    47
    “extensive history of viewing pornography and accessing sexually oriented chat
    rooms” she recommended that he participate in a specialized sex offender
    treatment program. Such a program should include “odor-aversion therapy,”
    “satiation” to replace deviant thoughts with normal fantasies, sensitization to the
    consequences of his behavior, empathy for sex-abuse victims, cognitive
    restructuring, anger management, intimacy training, and relapse-prevention
    strategies. Dr. Osborn predicted that if Farley received all of that treatment, he
    would not pose a significant risk to the community. She recommended: that the
    treatment be required as part of his supervised release; that Farley be restricted
    from unsupervised interaction with children other than his own, or living near
    places where children congregated, or coaching children’s sports; and that he be
    required to take periodic polygraphs and install monitoring software that would
    restrict his access to sexually explicit websites.
    H.
    In his sentencing memorandum Farley asked the district court for a
    downward variance from the guidelines range based on his lack of criminal history,
    the Texas Department of Family and Protective Services’ finding that he had not
    abused his own children, Dr. Osborn’s conclusion that he was a low re-offense
    risk, and his role as sole breadwinner for his wife and six children. None of these
    48
    arguments for leniency would do him any good, of course, as long as the
    sentencing court was bound by the thirty-year mandatory minimum imposed by 
    18 U.S.C. § 2241
    (c). So Farley challenged the constitutionality of the mandatory
    minimum, contending that imposing a thirty-year sentence on him would violate
    the Cruel and Unusual Punishments Clause of the Eighth Amendment. He argued
    that thirty years was a grossly disproportionate punishment given his lack of
    criminal history and the fact that it turned out there was no actual child victim.
    The mandatory minimum severely restricted the consideration the court could give
    to those or any other mitigating factors and, he asserted, the resulting sentence
    would be disproportionate compared to the guidelines’ recommendation and to
    state-law sentences for similar crimes.
    Farley pointed out that some states imposed mandatory minimums as low as
    one year, or none at all, and if he had been prosecuted by the state of Georgia for
    conduct occurring entirely within that state, he would have faced a minimum
    sentence of only one year. He complained that it was arbitrary for his use of a
    computer to require a minimum sentence of ten years and his crossing state lines to
    require one of thirty years.
    The district court ordered more briefing on the Eighth Amendment issue. In
    the order doing so, the court found it “informative” that another interstate travel
    49
    crime, crossing state lines with intent to commit murder for hire, carried a
    maximum penalty of only ten years. See 
    18 U.S.C. § 1958
    (a). The court also
    questioned whether Congress had really intended the harsher mandatory minimums
    to apply to crimes “when no actual sexual act was carried out.”
    In its brief the government argued that Congress was owed great deference
    in legislating punishment, and pointed to the Supreme Court’s admonition in
    Solem v. Helm, 
    463 U.S. 277
    , 289–90, 
    103 S.Ct. 3001
    , 3009 (1983), that
    successful Eighth Amendment challenges should be “exceedingly rare” in
    noncapital cases. Farley’s brief responded that the decisions cited by the
    government involved defendants who, unlike Farley, either molested actual
    children or had lengthy prior criminal records. He argued that the defendant’s
    criminal history, or lack thereof, is a relevant factor in weighing the gravity of the
    offense under Eighth Amendment proportionality analysis. See Ewing v.
    California, 
    538 U.S. 11
    , 29, 
    123 S.Ct. 1179
    , 1189–90 (2003). Inexplicably, neither
    party ever brought to the district court’s attention the Supreme Court’s decision in
    Harmelin v. Michigan, 
    501 U.S. 957
    , 
    111 S.Ct. 2680
     (1991).12
    12
    At oral argument before this Court, the government opened by saying that “the
    resolution of this appeal starts and ends” with Harmelin. The Assistant U.S. Attorney, who had
    not written the government’s brief in the district court, admitted that “we missed it and we
    shouldn’t have” and recognized that “we did not do the service to the district judge that we
    should have done in pointing out that case to her.”
    50
    Because the nature and range of sentences available would be affected by its
    decision regarding the constitutionality of applying the thirty-year minimum
    sentence mandated by 
    18 U.S.C. § 2241
    (c) to the case, the district court decided
    that issue before conducting a sentence hearing. In its order on the issue the court
    examined the legislative background to § 2241(c), noting that the section of the
    Adam Walsh Act that amended § 2241(c) was titled “Aggravated Sexual Abuse of
    Children” and that congressional debate on the Adam Walsh Act appeared to
    address only crimes involving actual aggravated sexual abuse of a child. Though
    acknowledging that legislative history was not a necessary part of Eighth
    Amendment analysis, the court still thought it significant that Congress had not
    engaged in a “meaningful discussion” of whether the same penalties should apply
    to crimes of intent or attempt that did not involve actual harm to children.
    The court then compared the gravity of the offense to the harshness of the
    penalty, in order to determine whether Farley had made a threshold showing of
    gross disproportionality. See Solem, 
    463 U.S. at
    290–91, 
    103 S.Ct. at 3010
    . The
    court believed that 
    18 U.S.C. § 3553
    (a)(1) required it to consider the nature and
    circumstances of the offense, and the history and characteristics of the defendant,
    as part of its proportionality analysis. It considered Farley’s lack of any criminal
    record or prior history of improper behavior with children, and Dr. Osborn’s
    51
    findings that Farley “was not attracted to prepubescent children,” was not a “sexual
    predator,” and posed a low risk of future sex crimes. The court noted that up to
    that point the government had not contested any of Dr. Osborn’s findings and did
    not seek its own psychosexual evaluation. Although it acknowledged the serious
    nature of Farley’s conduct, the court thought it “far less grave” than crimes that
    harmed or threatened to harm an actual child, or crimes committed by “perpetual
    offenders” who posed a continuing threat to the public. The court concluded that a
    thirty-year sentence was “extremely harsh” and “grossly out of proportion” to
    Farley’s offense.
    Next, the court undertook a comparative analysis. See Solem, 
    463 U.S. at 291
    , 
    103 S.Ct. at 3010
    . The court noted that § 2241(c) applied the same mandatory
    penalty to a wide range of criminal behavior that covered everything from actually
    raping a child to merely crossing a state line intending to touch a child sexually.
    For that reason, the court believed that the penalty was “disproportionate” as
    applied to the lesser criminal conduct it covered. Other federal statutes punishing
    child-related sex offenses either did not impose a mandatory minimum at all, e.g.,
    
    18 U.S.C. § 2244
     (sexual touching short of a sexual act), or § 2245 (murder in the
    course of a sex offense, which does carry a possible death sentence); or they
    imposed shorter mandatory minimum terms, e.g., § 2423(a) (minimum 10 years for
    52
    interstate transportation of a child to engage in criminal sexual activity), § 2251(a),
    (e) (minimum 15 years and maximum 30 years for enticing a minor into sexual
    activity for purposes of producing a visual depiction), or § 2252 (minimum 5 years
    and maximum 20 years for distributing child pornography); or imposed the same
    mandatory minimum sentence for much more serious conduct, e.g., § 2251(e)
    (minimum 30 years when enticement of a minor results in death), or § 2251A
    (minimum 30 years for buying or selling a child for the purpose of producing child
    pornography).13
    The court decided that Farley’s sentence was also disproportionate when
    compared to the penalties for other interstate travel crimes, e.g., § 1958(a)
    (maximum 10 years for crossing state lines with intent to commit murder for hire).
    Other federal statutes that imposed thirty-year minimum sentences did so to punish
    far more dangerous conduct, such as attempting or threatening to use weapons of
    mass destruction, §§ 175c(c)(2) (smallpox virus), 2332g(c)(2) (anti-aircraft
    missiles), 2332h(c)(2) (radioactive weapons), or the use of machine guns or
    firearm silencers in crimes of violence or drug trafficking, § 924(c)(1)(B)(ii).
    13
    Because § 2251A criminalizes a mere “offer” to buy a child, not just an actual sale, it
    might appear that crime is not significantly worse than what Farley attempted to do. He told
    “Sydney” that he planned to take pictures when he molested her. The district court, however,
    judged the crime forbidden by § 2251A to be more serious because, as the court explained, it
    involves an “intended transfer of custody or control,” not just an “intended isolated sexual act”
    against the child.
    53
    Finally, the court was convinced that the thirty-year sentence was
    disproportionate when compared to state-law sentences for attempted child sex
    crimes.14 In most states, the maximum sentences available for such attempts
    ranged from as low as 3 years to as high as 30 years. Georgia, the location of the
    intended victim and site where the sexual abuse would have taken place, would
    impose a minimum of 1 year and a maximum of 10 years; Farley’s home state of
    Texas would impose a maximum of 20 years. See O.C.G.A. §§ 16-6-4, 16-4-6(b);
    Tex. Penal Code §§ 12.33, 22.011, 15.01. A few states made no distinction
    between attempts and completed crimes and therefore imposed heavier penalties,
    but the statutes doing so applied only when there was sexual intercourse with a
    child, not sexual acts “short of intercourse.” The court noted that when it
    convicted Farley it had determined only that he intended to engage in a “sexual
    act” with a child, not necessarily that he intended intercourse.15 For all of those
    reasons, the court concluded that the thirty-year mandatory sentence was grossly
    14
    Of course, “crossing a state line with intent” is a uniquely federal crime. The district
    court thought the closest state-law analogue would be statutes criminalizing attempted sexual
    abuse of a child.
    15
    In making this distinction, the court did not discuss Farley’s May 4, 2007 email, which
    appears to make clear his intent to have sexual intercourse with the eleven-year-old Sydney. In
    any event, § 2241(c) subjects sex predators who are caught in a sting operation attempting to
    have sex with a child to the same penalties as those who succeed in doing so. Cf. United States
    v. Root, 
    296 F.3d 1222
    , 1231–32 (11th Cir. 2002).
    54
    disproportionate to Farley’s § 2241(c) offense and disproportionate in comparison
    to other sentences, and therefore unconstitutional as applied to him.16
    On the same day as the sentence hearing, the government filed a motion for
    reconsideration of the court’s ruling. That motion launched a thorough attack on
    Dr. Osborn’s opinions. It pointed out that her report had acknowledged that
    Farley’s “inability or unwillingness to respond truthfully” called into doubt some
    of his test results. The government argued that the Reaction Time Assessment was
    not scientifically reliable and that its result here was obviously wrong because
    Farley’s conduct proved that he was interested in sex with a prepubescent girl. The
    Static-99 assessment of recidivism risk was flawed, the government insisted,
    because it only counted prior or subsequent offenses if they resulted in convictions,
    even though most incidents of sexual abuse go unreported and offenders often
    admit to committing many more crimes than they were convicted for. Also, the
    Static-99 assessment was developed in the pre-internet era and its applicability to
    online offenders is unclear. See United States v. McIlrath, 
    512 F.3d 421
    , 424–25
    (7th Cir. 2008) (discussing limitations of the Static-99). The government argued
    that Dr. Osborn’s conclusion that Farley is not a sexual predator was not supported
    16
    The court’s order left undisturbed the ten-year mandatory minimum sentence Farley
    faced under § 2422(b) for his conviction on the other count.
    55
    by any data or test results, and that it was contradicted by his actual conduct and
    the crimes for which he had been convicted.
    I.
    As part of its effort to get the court to change its ruling on the
    constitutionality of the thirty-year mandatory minimum sentence as applied to
    Farley, the government called Dr. Osborn as a witness at the sentence hearing.
    She conceded that while the Reaction Assessment Test had passed Daubert review
    in some jurisdictions, it also had been rejected in others. The government brought
    out that the coding manual for the Static-99 assessment included a disclaimer
    stating that it had only “moderate predictive accuracy” and did not incorporate all
    the factors that might be relevant to a “wide-ranging risk assessment.” Dr. Osborn
    admitted that and the fact that she had not mentioned that disclaimer in her report.
    She also admitted that the recidivism percentages for different Static-99 scores
    were merely group estimates, not a direct prediction of an individual offender’s
    risk. The original data on which those percentages were based predated the
    internet, although the current manual does discuss how to apply the Static-99 to
    online offenders.
    The government challenged Dr. Osborn’s conclusion that Farley was not a
    “sexual predator.” The Association for the Treatment of Sexual Abusers, a
    56
    professional organization to which Dr. Osborn belonged, defined “sexually
    predatory acts” as acts directed toward strangers or toward victims with whom the
    offender has established a relationship primarily for the purpose of victimization.
    Asked whether she agreed with this definition, Dr. Osborn answered that the term
    “sexual predator” was defined differently in every jurisdiction and said that she
    followed Georgia’s sex offender registration system which based it on the
    offender’s Static-99 score. Asked why Farley’s cultivation of an online
    relationship with a woman for the purpose of molesting her daughter did not fit the
    ATSA’s definition of a “sexually predatory act,” Dr. Osborn said that she could not
    “measure intent.” When pressed on this point, she conceded that Farley’s
    conviction established his intent to have sex with the child when he went to
    Atlanta, but she could not say whether he already had that intent when he first
    started chatting with Stephanie. These assertions by Dr. Osborn were in defense of
    her refusal to say that Farley was a “sexual predator” under the ATSA definition,
    which only applies to one who establishes a relationship “for the primary purpose
    of victimization,” rather than exploiting an existing relationship for that purpose.
    The fact of Farley’s conviction did not change Dr. Osborn’s assessment,
    because she had been aware of the facts alleged by the government when she wrote
    her report. Even if Farley intended to have sex with an eleven-year-old girl, she
    57
    thought that did not necessarily mean he was sexually interested in children
    because “individuals can sexually molest children for a number of reasons other
    than having a significant sexual interest in children.” She did not explain what
    those other reasons might be, or why someone motivated by them would pose less
    future danger to children than would a more typical sexual abuser of children.
    Likewise, she insisted that the presence of child pornography on Farley’s computer
    did not necessarily indicate that he had a significant sexual interest in children.
    Dr. Osborn stood by her conclusions that Farley was not sexually interested in
    children, was not a sexual predator, and posed a low risk of re-offending. The
    government again asked the court to reconsider its constitutional ruling insofar as it
    had relied on Dr. Osborn’s findings. The court declined, saying that it had found
    her report “helpful, [but] not conclusively so” and had relied on other factors as
    well.
    With the thirty-year mandatory minimum out of the picture, the court
    proceeded to consider the guidelines and the sentencing factors under § 3553(a).
    The court was “uncomfortable” with using the obstruction enhancement in
    U.S.S.G. § 3C1.1 to punish a defendant for exercising his constitutional right to
    testify, and thought it debatable whether Farley’s lie about the printed Mapquest
    directions was sufficiently material to be perjury. However, that lie was important
    58
    to the court in assessing Farley’s credibility, which in turn was important to
    determining his intent, and for that reason the court did apply the obstruction
    enhancement.
    Farley asked for “a reasonable sentence below the guideline range,” based
    on his lack of criminal history, the findings in Dr. Osborn’s report, and Farley’s
    record as a “good father” to his children who was “very active in their lives” and
    “involved with their after-school activities.” In response to a question from the
    government, the court acknowledged that it had received the letter from Farley’s
    wife, but said that what the letter expressed “is Mrs. Farley’s emotional response to
    this and her observations about this, and not necessarily anything about the
    evidence in the case.” The government asked for a sentence within the guidelines,
    arguing that a severe sentence was needed for deterrence because so many abuse
    incidents were never reported; that Congress had treated this crime seriously
    because children were uniquely vulnerable; and that the internet made the problem
    worse by allowing people like Farley to find others who shared their deviant
    interests and giving them the ability to act on those interests.
    Although the court had already denied the government’s motion to
    reconsider its ruling on the constitutionality of the mandatory minimum sentence,
    it returned to the topic in explaining the sentence it was going to impose. The
    59
    court stated that it had initially set out to uphold the constitutionality of the
    mandatory minimum sentence, but after reviewing the punishment other statutes
    imposed for similar or more severe conduct, the court had been unable to escape
    the conclusion that a thirty-year sentence was disproportionately harsh in relation
    to Farley’s conduct. The court regretted that the statute and guidelines did not treat
    offenders who had not actually molested children differently from those who had.
    Although there was, in the court’s words, “a lot of talk and a lot of filth” in the
    record, it found no evidence Farley had ever touched a child in a sexual manner.
    At the same time, it was mindful of the things Farley said he wanted to do to a
    child.
    The court concluded that a sentence at the low end of the guidelines range of
    235–293 months was appropriate. It imposed what it described as “a very harsh
    sentence” of 235 months on each count, slightly less than twenty years, to run
    concurrently. The court also imposed a ten-year term of supervised release with a
    requirement that Farley participate in a mental health treatment program. It did not
    levy a fine, finding that Farley had no ability to pay one.
    III.
    The government appealed from the sentence the district court imposed and
    specifically from its decision that the thirty-year mandatory minimum sentence for
    60
    violating 
    18 U.S.C. § 2241
    (c) is unconstitutional. Nine members of the House of
    Representatives, including several of the original sponsors of the Adam Walsh Act,
    filed an amicus brief urging this Court to uphold the constitutionality of the
    mandatory sentence.
    Farley cross-appealed, raising four challenges to his conviction and one to
    his sentence: (1) the enticement statute was unconstitutionally overbroad under the
    First Amendment as applied to his sexual conversations with the adult “Stephanie”;
    (2) the lack of an actual child made it legally impossible for him to commit the
    charged offenses; (3) Farley’s statements and the evidence from his computer and
    briefcase should have been suppressed, because his waiver of rights and consent to
    search was obtained by deceit, and because the warrantless search of his briefcase
    was improper; (4) the evidence of Farley’s intent was insufficient to support a
    conviction on either count; and (5) the obstruction enhancement was improper
    because there was insufficient evidence for the court to find that Farley had given
    perjured testimony.
    Because the first four cross-appeal issues involve the validity of Farley’s
    convictions, we begin with them.
    61
    A.
    Farley first contends that 
    18 U.S.C. § 2422
    (b) is unconstitutionally
    overbroad as applied to his case, because he never said anything sexual directly to
    “Sydney” and because the First Amendment protects his sexually explicit
    conversations with the adult “Stephanie.” We have already rejected this First
    Amendment argument as frivolous in a similar case in which another defendant
    chatted online with an undercover agent posing as the parent of a fictitious child.
    United States v. Hornaday, 
    392 F.3d 1306
    , 1311 (11th Cir. 2004). In doing so we
    said that “[s]peech attempting to arrange the sexual abuse of children is no more
    constitutionally protected than speech attempting to arrange any other type of
    crime.” 
    Id.
     We have also held that a defendant can be convicted under § 2422(b)
    for attempted enticement through an adult intermediary, even if he never
    communicated directly with anyone he believed to be a child. United States v. Lee,
    
    603 F.3d 904
    , 914–16 (11th Cir. 2010) (defendant communicated with postal
    inspector posing as mother of twelve-year-old and seven-year-old girls); United
    States v. Murrell, 
    368 F.3d 1283
    , 1286–88 (11th Cir. 2004) (defendant
    communicated with undercover detective posing as father of thirteen-year-old girl).
    As we said in Murrell, “the efficacy of § 2242(b) would be eviscerated if a
    defendant could circumvent the statute by employing an intermediary to carry out
    62
    his intended objective.” Id. at 1287. On the adult intermediary issue, the facts in
    this case are materially indistinguishable from those in Hornaday, Lee, and
    Murrell.
    B.
    Farley’s second contention is that it was legally impossible for him to
    commit the charged crimes because there was no actual child. This contention is,
    as he concedes, foreclosed by precedent. The primary precedent on point is United
    States v. Root, 
    296 F.3d 1222
     (11th Cir. 2002). We held in Root that convictions
    for attempted enticement under 
    18 U.S.C. § 2422
    (b) and for travel in interstate
    commerce with intent to engage in a sexual act with a minor in violation of 
    18 U.S.C. § 2423
    (b) do not require the existence of an actual minor victim. 
    Id.
     at
    1227–32. Root engaged in sexually explicit chats and exchanged instant messages
    with a person he believed to be a thirteen-year-old girl in order to persuade her to
    meet him for sex, and then he traveled across state lines to have sex with her. 
    Id.
     at
    1224–26. It turned out that the girl was actually an adult police officer. 
    Id.
    Relying on the plain language of the statutory provisions Root was charged with
    violating, we rejected his argument that there could be no sexual crimes involving
    a minor where there was no minor. 
    Id. at 1227
    ; accord Lee, 
    603 F.3d at 913
    ;
    United States v. Yost, 
    479 F.3d 815
    , 819 & n.2 (11th Cir. 2007) (per curiam);
    63
    Hornaday, 
    392 F.3d at
    1309–11; Murrell, 
    368 F.3d at
    1286–88; cf. United States v.
    Lebovitz, 
    401 F.3d 1263
    , 1268–70 (11th Cir. 2005) (upholding application of
    guidelines sentencing enhancements based on age of child victim even though no
    child existed).
    Root clearly forecloses Farley’s no-actual-child challenge to his conviction
    for attempted enticement under the same statute, § 2422(b). See Root, 
    296 F.3d at
    1227–31. It also forecloses his same challenge to his interstate travel conviction
    under § 2241(c). That is true even though the travel conviction in Root was under
    
    18 U.S.C. § 2423
    (b) and not § 2241(c). The two statutory provisions apply to
    different age categories of victims but they, and the defendants’ conduct in the two
    cases, are materially identical.17 Therefore, Root’s reasoning about § 2423(b)
    applies to § 2241(c). See Root, 
    296 F.3d at
    1231–32. Farley’s conviction on both
    counts turns on the criminal intent with which he acted, not on the existence of an
    actual child. See 
    id. at 1227, 1231
    .
    17
    The fictional child in Root was older than eleven-year-old Sydney and thereby outside
    the cutoff age for § 2241(c), which is applicable only when the child is under twelve. When the
    intended victim is between twelve and fifteen years of age and the offender at least four years
    older, 
    18 U.S.C. § 2243
    (a) combines with § 2423(b) to prohibit travel in interstate commerce
    with the intent to engage in an illegal sexual act with that child. That is the crime for which Root
    was convicted. See Root, 
    296 F.3d at 1231
    .
    64
    C.
    Farley also contends that the district court erred in denying his motions to
    suppress his post-arrest statements and the evidence recovered from the searches of
    his laptop computer and briefcase. We apply a mixed standard of review to the
    denial of a suppression motion, reviewing the district court’s findings of fact for
    clear error and its application of the law to those facts de novo. United States v.
    Glover, 
    431 F.3d 744
    , 747 (11th Cir. 2005) (per curiam) (motion to suppress
    statement); United States v. Magluta, 
    418 F.3d 1166
    , 1182 (11th Cir. 2005)
    (motion to suppress results of search). The voluntariness of a defendant’s
    statement is a question of law. United States v. Barbour, 
    70 F.3d 580
    , 584 (11th
    Cir. 1995).
    1.
    Farley argues that because Agent Paganucci “tricked” him by telling him
    that the FBI wanted to question him as part of a terrorism investigation, his waiver
    of Miranda rights was not knowing or voluntary and therefore his post-arrest
    statements should have been suppressed.18
    18
    The other deceptions Farley complains about were that Agent Paganucci may have told
    him that the questioning would take “about 45 minutes,” when it actually took about an hour and
    a half, and did tell him that the agents were “waiting on a fax from the Dallas office,” which was
    untrue. The record suggests the statement about the fax came after Farley was advised of his
    Miranda rights and had waived them. Regardless of their timing, both of those misstatements
    are too inconsequential to have affected the knowing and voluntary nature of Farley’s waiver.
    65
    While the Fifth Amendment’s privilege against self-incrimination is fully
    applicable during a custodial interrogation, a suspect may waive his right to remain
    silent after being properly advised of it, provided he does so “voluntarily,
    knowingly and intelligently.” Miranda v. Arizona, 
    384 U.S. 436
    , 444, 460–61, 
    86 S.Ct. 1602
    , 1612, 1620–21 (1966). The government has the burden of showing
    the knowing and intelligent nature of a waiver. 
    Id. at 475
    , 
    86 S.Ct. at 1628
    . We
    look for two things:
    First, the relinquishment of the right must have been voluntary in the
    sense that it was the product of a free and deliberate choice rather than
    intimidation, coercion, or deception. Second, the waiver must have
    been made with a full awareness of both the nature of the right being
    abandoned and the consequences of the decision to abandon it. Only
    if the totality of the circumstances surrounding the interrogation
    reveal[s] both an uncoerced choice and the requisite level of
    comprehension may a court properly conclude that the Miranda rights
    have been waived.
    Moran v. Burbine, 
    475 U.S. 412
    , 421, 
    106 S.Ct. 1135
    , 1141 (1986) (quotation
    marks and citation omitted).
    Farley places great weight on the Supreme Court’s remark in Miranda that
    “any evidence that the accused was threatened, tricked, or cajoled into a waiver
    will, of course, show that the defendant did not voluntarily waive his privilege.”
    
    384 U.S. at 476
    , 
    86 S.Ct. at 1629
    . In effect, he urges us to take this apparently
    sweeping language as imposing a per se rule that a waiver obtained by deception is
    66
    not voluntary. As the Supreme Court has more recently made clear, however, such
    a reading of that passage wrenches Miranda’s language “out of context[,] . . .
    without due regard to the constitutional privilege the Miranda warnings were
    designed to protect.”19 Colorado v. Spring, 
    479 U.S. 564
    , 575, 
    107 S.Ct. 851
    , 858
    (1987); see also Soffar v. Cockrell, 
    300 F.3d 588
    , 596 (5th Cir. 2002) (en banc)
    (“Subsequent [Supreme Court] cases interpreting Miranda’s language show that
    trickery or deceit is only prohibited to the extent it deprives the suspect of
    knowledge essential to his ability to understand the nature of his rights and the
    consequences of abandoning them.” (quotation marks and citation omitted)). In
    Spring federal agents arrested the defendant on a firearms charge, advised him of
    his Miranda rights, and convinced him to waive those rights and answer questions,
    without telling him that they also planned to interrogate him about his involvement
    19
    The context, in the original Miranda decision, was as follows:
    Whatever the testimony of the authorities as to waiver of rights by an
    accused, the fact of lengthy interrogation or incommunicado incarceration
    before a statement is made is strong evidence that the accused did not
    validly waive his rights. In these circumstances the fact that the individual
    eventually made a statement is consistent with the conclusion that the
    compelling influence of the interrogation finally forced him to do so. It is
    inconsistent with any notion of a voluntary relinquishment of the
    privilege. Moreover, any evidence that the accused was threatened,
    tricked, or cajoled into a waiver will, of course, show that the defendant
    did not voluntarily waive his privilege. The requirement of warnings and
    waiver of rights is a fundamental with respect to the Fifth Amendment
    privilege and not simply a preliminary ritual to existing methods of
    interrogation.
    
    384 U.S. at 476
    , 
    86 S.Ct. at 1629
    .
    67
    in an unrelated murder. Spring, 
    479 U.S. at
    566–67, 
    107 S.Ct. at
    853–54. Quoting
    from Miranda the same passage that Farley relies on, Spring argued that his
    admissions about the murder should be suppressed because the agents had
    “tricked” him into waiving his rights. 
    Id. at 575
    , 
    107 S.Ct. at 858
    .
    The Supreme Court rejected that argument, noting that “one who is told he is
    free to refuse to answer questions is in a curious posture to later complain that his
    answers were compelled.” 
    Id. at 576
    , 
    107 S.Ct. at 859
     (quotation marks and
    citation omitted). “[A] valid waiver does not require that an individual be
    informed of all information ‘useful’ in making his decision or all information that
    ‘might . . . affec[t] his decision to confess.’” 
    Id.
     (alterations in original) (quoting
    Moran, 
    475 U.S. at 422
    , 
    106 S.Ct. at 1141
    )). The Court explained: “[W]e have
    never read the Constitution to require that the police supply a suspect with a flow
    of information to help him calibrate his self-interest in deciding whether to speak
    or stand by his rights.” 
    Id.
     at 576–77, 
    107 S.Ct. at 859
     (alterations in original)
    (quoting Moran, 
    475 U.S. at 422
    , 
    106 S. Ct. at 1141
    ). The agents’ failure to inform
    Spring of the subject of their questioning may have affected the “wisdom” of his
    decision to waive his rights, but it did not change the “essentially voluntary and
    knowing nature” of that decision. Id. at 577, 
    107 S.Ct. at 859
    . The failure to
    disclose important information to Spring did not influence his decision in a
    68
    “constitutionally significant” manner, because it did not cause him to
    “misunderstand the nature” of the right he waived. 
    Id.
     at 576–77, 
    107 S.Ct. at
    858–59. Miranda requires the police to inform a suspect, without qualification,
    that “anything he says may be used against him.” 
    Id. at 577
    , 
    107 S.Ct. at 859
    .
    This “broad and explicit” warning “conveys to a suspect the nature of his
    constitutional privilege and the consequences of abandoning it.” 
    Id.
     Accordingly,
    the Court held, “a suspect’s awareness of all the possible subjects of questioning in
    advance of interrogation is not relevant to determining whether the suspect
    voluntarily, knowingly, and intelligently waived his Fifth Amendment privilege.”
    
    Id.
    We cannot simply point to Spring’s holding as settling the matter, because
    the Court’s opinion limited its reach to cases involving “mere silence” by law
    enforcement officials, and specifically declined to decide whether an “affirmative
    misrepresentation” as to the scope of the interrogation would invalidate a Miranda
    waiver. 
    Id.
     at 576 & n.8, 
    107 S.Ct. at
    858 & n.8. Nevertheless, Spring’s analysis
    is compelling, and its distinction between “constitutionally significant” information
    about the nature of the right being waived, and information that merely affects the
    “wisdom” of the decision to waive, makes sense regardless of whether there is a
    69
    failure to convey information or a communication of misinformation. See 
    id.
     at
    576–77, 
    107 S.Ct. at
    858–59.
    In Moran the Supreme Court held a waiver was valid because the
    defendant’s “decision to speak was made with full awareness and comprehension
    of all the information Miranda requires the police to convey.” 
    475 U.S. at 424
    , 
    106 S.Ct. at 1142
     (upholding validity of waiver even though police failed to tell
    defendant his lawyer had called the station trying to reach him, and falsely told
    lawyer his client was not being interrogated). The same is true here. The “Advice
    of Rights” form, which Farley both read for himself and had read out loud to him
    before he initialed and signed it, conveyed in clear language each of the warnings
    required by Miranda. See Miranda, 
    384 U.S. at
    444–45, 
    86 S.Ct. at 1612
    .
    Knowledge of what the agents really suspected him of doing would no doubt have
    been useful, possibly even decisive, to Farley in calculating the wisdom of
    answering their questions. But their deception on that point was not
    “constitutionally significant,” because the lack of that information did not prevent
    Farley from understanding the nature of his rights and the legal consequences of
    waiving them. See Spring, 
    479 U.S. at
    576–77, 
    107 S.Ct. at
    858–59.
    Even if, contrary to what Spring holds, a suspect’s awareness of all the
    subjects of the investigation were relevant to the voluntariness of his decision to
    70
    waive Miranda rights, it would be only part of an analysis of “the totality of
    circumstances surrounding the interrogation.” See Moran, 
    475 U.S. at 421
    , 
    106 S.Ct. at 1141
     (quotation marks and citation omitted). Although we have not
    previously considered the exact circumstances in this case—an affirmative
    misrepresentation about the subject matter of the investigation—case law on police
    deception generally is instructive. Our circuit law rejects a per se rule that
    statements obtained by police deception must be suppressed. See United States v.
    Castaneda-Castaneda, 
    729 F.2d 1360
    , 1363 (11th Cir. 1984) (“[T]he police’s use of
    a trick alone will not render a confession involuntary.”). Unlike physical violence
    or the threat of it, which makes any resulting statement per se involuntary, the
    effect of psychological pressure or deception on the voluntariness of a statement
    depends on the particular circumstances in each case. Martin v. Wainwright, 
    770 F.2d 918
    , 925–26 (11th Cir. 1985), modified on other grounds, 
    781 F.2d 185
     (11th
    Cir. 1986).
    Generally, courts have held statements involuntary because of police
    trickery only when other aggravating circumstances were also present. Castaneda-
    Castaneda, 
    729 F.2d at 1363
    . Misleading a suspect about the existence or strength
    of evidence against him does not by itself make a statement involuntary. See, e.g.,
    Frazier v. Cupp, 
    394 U.S. 731
    , 737–39, 
    89 S.Ct. 1420
    , 1424–25 (1969)
    71
    (investigators falsely told defendant that a co-defendant had already confessed);
    Martin, 
    770 F.2d at 925
     (same); Castaneda-Castaneda, 
    729 F.2d at
    1362–63
    (same). By contrast, statements have been held involuntary where the deception
    took the form of a coercive threat, see, e.g., Lynumn v. Illinois, 
    372 U.S. 528
    , 534,
    
    83 S.Ct. 917
    , 920 (1963) (police falsely told defendant that the state would cut off
    welfare benefits and take her children away if she did not “cooperate”); Spano v.
    New York, 
    360 U.S. 315
    , 323, 
    79 S.Ct. 1202
    , 1207 (1959) (police falsely told
    defendant that his close friend, who was a police officer, would lose his job if
    defendant did not make a statement); or where the deception goes directly to the
    nature of the suspect’s rights and the consequences of waiving them, see, e.g., Hart
    v. Attorney Gen. of the State of Fla., 
    323 F.3d 884
    , 894–95 (11th Cir. 2003)
    (detective contradicted Miranda warnings by telling suspect that having a lawyer
    present would be a “disadvantage” and that “honesty wouldn’t hurt him”); United
    States v. Beale, 
    921 F.2d 1412
    , 1435 (11th Cir. 1991) (agents told illiterate
    defendant that signing waiver form “would not hurt him”).
    This Court’s Hart decision is worth further discussion because Farley relies
    heavily on it. There were several police deceptions in Hart, but not all of them
    were “constitutionally significant” to the majority’s conclusion that the defendant’s
    statement was involuntary. The first “trick” came when Hart was initially brought
    72
    in for questioning, and police obtained a Miranda waiver after telling him they
    wanted to question him about a credit-card theft when in fact they suspected him in
    a murder. 
    323 F.3d at
    887–88. That deception, which is the one most similar to
    the one in this case, is mentioned only briefly in the Hart opinion’s recitation of the
    facts and not at all in its legal discussion. Apparently, the Hart Court did not
    consider the deception important to the voluntariness analysis. Later, a second
    detective (whom Hart knew from his neighborhood and thought of as a “friend”)
    took over the questioning. 
    Id. at 888
    . She promised Hart that she “would not lie to
    him,” then proceeded to lie to him, telling him that a security camera had captured
    on video his commission of the crime, when in fact there was no camera and no
    video. 
    Id.
     Although the panel did say that it took Hart’s “trust” of the second
    interrogator as part of the “totality of the circumstances” that made his waiver and
    confession involuntary, 
    id. at 895
    , it is not clear how significant the lie about the
    video evidence was in the analysis.
    What this Court did consider significant in Hart was what happened next.
    Hart asked the detective about the “pros and cons” of hiring a lawyer, which
    indicated that he “did not fully understand” his rights and was asking for
    clarification of them. 
    Id. at 894
    . In response, the detective told him that the
    “disadvantage” of having a lawyer was that the lawyer would tell him not to
    73
    answer incriminating questions. 
    Id.
     That statement was misleading because the
    whole point of having a lawyer present during an interrogation is to protect the
    suspect’s privilege against self-incrimination. 
    Id.
     The detective also told Hart that
    “honesty wouldn’t hurt him.” 
    Id.
     That was misleading because it simply was not
    true—honesty can doom a guilty man—and it contradicted the warning required by
    Miranda that anything a suspect says can be used against him in court. 
    Id.
     As a
    result of the detective’s deception, which went to the heart of the Miranda
    warnings themselves, we concluded that Hart “did not truly understand the nature
    of his right against self-incrimination or the consequences that would result from
    waiving it,” meaning that his waiver was not voluntary. 
    Id. at 895
    .
    Nothing like that happened here. Even if the agents did trick Farley into
    thinking the investigation was about terrorism, there is no evidence they made any
    promise that questioning would be limited to that subject, or gave him any
    assurance that statements relating to other crimes would not be used against him.20
    To the contrary, the agents warned Farley, as required by Miranda, that “anything”
    he said could be used against him in court. See Spring, 
    479 U.S. at 577
    , 
    107 S.Ct. at 859
     (“There is no qualification of this broad and explicit warning.”). Not just
    some things, but anything. There is nothing to indicate that Farley was unsure of
    20
    The “Advice of Rights” Farley signed was a standard form, and said nothing about the
    particular subject of questioning.
    74
    his rights or needed them clarified. He was not deceived about “the nature of his
    rights and the consequences of abandoning them.” Moran, 
    475 U.S. at
    423–24,
    
    106 S.Ct. at 1142
    . That distinguishes his case from Hart. See 
    323 F.3d at
    894–95.
    Even if some police tricks may be “objectionable as a matter of ethics,” they
    are not relevant to the constitutional validity of a waiver unless they interfere with
    the defendant’s “ability to understand the nature of his rights and the consequences
    of abandoning them.” See Moran, 
    475 U.S. at
    423–24, 
    106 S.Ct. at 1142
    ; cf.
    Martin, 
    770 F.2d at 925
     (though some of the interrogation tactics were
    “distasteful,” on balance they did not make defendant’s confession involuntary). It
    does not matter if the agents deliberately lied to Farley about the subject of the
    investigation in order to trick him into signing a waiver they thought he might not
    otherwise have signed. Their subjective motives for the deception are not relevant.
    See Moran, 
    475 U.S. at 423
    , 
    106 S.Ct. at 1142
     (considering it “irrelevant” to
    voluntariness analysis whether misleading statement by police was intentional or
    inadvertent). Because the issue is whether Farley’s decision to waive his rights
    was knowing and voluntary under the totality of the circumstances, the only
    relevant state of mind is that of Farley himself. See 
    id.
    Of course, it defies common sense to posit that Farley was actually
    “deceived” by Agent Paganucci’s remark about terrorism. Farley’s argument
    75
    would have us believe he actually thought that by incredible coincidence the FBI
    had mistakenly identified him as a terrorist on the same day he just happened to be
    committing a serious crime that had nothing to do with terrorism. Given the
    number of times Farley had worried out loud about walking into a sting operation
    and being met with “cops and TV cameras,” he had to know what was up from the
    moment the agents detained him.
    Even if we assume for the sake of discussion that Farley really thought the
    agents were investigating terrorism and nothing else when he waived his rights, his
    argument requires more to succeed. It also requires us to assume that if Farley had
    known that the agents suspected him of the crime he actually did commit, he would
    have kept his mouth shut. That assumption is belied by what actually happened.
    Once the direction of the agents’ questioning made it clear that they suspected
    Farley of planning to have sex with a child, any effect the “terrorism” deception
    had must have ended. Farley had to know when the agents started questioning him
    about coming to Georgia to have sex with a minor that they were investigating
    whether he had come to Georgia to have sex with a minor. Among the warnings
    Farley acknowledged reading and understanding was that he had “the right to stop
    answering at any time” (emphasis added). At the point in the interview when
    Farley was questioned about the crime he actually had committed, he was aware of
    76
    what he was being questioned about and knew that he was free to stop answering
    the questions. He chose to continue talking.
    We agree with the magistrate judge and with the district court that it makes
    no difference whether the “terrorism” deception occurred before or after Farley
    waived his rights (a fact that is not clear from the record). Given that the rights to
    remain silent and to consult with an attorney do not end when a Miranda waiver is
    signed, there is no reason why it should matter if the deception about the scope of
    the investigation comes before or after the waiver is signed. Either way, it is the
    resulting statement that the defendant is seeking to suppress. In Hart the Court
    rejected a distinction between the “waiver process” and the “interrogation
    process,” because the proper inquiry is the totality of circumstances surrounding
    the whole interrogation, not just the circumstances before the waiver form was
    signed. Hart, 
    323 F.3d at
    893 n.18. There is no dispute that everything Farley said
    to the agents that was used against him came after he was advised of his rights and
    had waived them. The timing of the deception does not matter because Farley was
    told both orally and in writing on the waiver form that even after he started
    answering questions, he could stop “at any time.”
    Looking at the totality of the circumstances, nothing indicates that Farley’s
    waiver of his rights was anything less than knowing and voluntary. The agents
    77
    never yelled at him or drew their weapons. The questioning lasted only about an
    hour and a half, and Farley was allowed to go to the bathroom when he asked.
    Farley was a mature adult, at least in a chronological sense, and no one has ever
    suggested that his intelligence was below average. See Frazier, 
    394 U.S. at 739
    , 
    89 S.Ct. at 1425
     (interrogator’s lie that accomplice had already confessed, while
    “relevant,” was insufficient to make defendant’s otherwise voluntary confession
    inadmissible where “questioning was of short duration, and petitioner was a mature
    individual of normal intelligence”). It is instructive to contrast the circumstances
    here with those in Martin, where we held the defendant’s confession voluntary
    even though it came after a five-hour interrogation in which one detective “raised
    his voice at Martin, cursed him, and discussed the death penalty,” lied to him by
    stating that a co-defendant had confessed, ignored his request to suspend
    questioning until the next day, and falsely assured him that the truth “couldn’t hurt
    him.” 
    770 F.2d at 925
    . Farley’s interview was tame by comparison. His waiver of
    his Miranda rights was knowing and voluntary, and the district court did not err in
    admitting his post-arrest statements.21
    21
    Because we conclude there was no error, we need not decide whether admission of the
    statements would have been harmless error. Aside from Farley’s admission that he did plan to
    meet Stephanie and her daughter at the IHOP restaurant—which was followed immediately by a
    denial that he had any intention of having sex with the child—the statements gave the
    government little it did not already have. The district court did not refer to them at all in its
    findings of fact on Farley’s guilt.
    78
    2.
    Farley contends that the district court erred in failing to suppress the child
    pornography and other evidence found on the laptop computer that he had with
    him on the airplane. Although Farley consented to the search of the computer, and
    signed a form acknowledging he did so voluntarily after being advised of his right
    to refuse,22 he argues that Agent Paganucci’s “trickery” about the subject matter of
    the investigation rendered his consent involuntary. As with a Miranda waiver, the
    voluntariness of a consent to search depends on the totality of the circumstances.
    Schneckloth v. Bustamonte, 
    412 U.S. 218
    , 227, 
    93 S.Ct. 2041
    , 2047–48 (1973).
    Whatever impact Agent Paganucci’s “terrorist” remark may have had on
    Farley’s earlier decision to waive his Miranda rights, it could have had no effect on
    his consent to the search of his laptop computer. Paganucci’s uncontested
    testimony was that Farley gave that consent toward the end of the interview, and
    by that time he was well aware of the true subject of the investigation. Farley’s
    alternative argument, that his consent was not voluntary because it was given in
    acquiescence to a show of lawful authority in a “matter of national security,” fails
    for the same reason. Farley knew perfectly well by the time that he gave his
    22
    Farley also signed identical “consent to search” forms for his cell phone, Blackberry
    handheld device, and Yahoo! account, but he does not mention them in his briefs to us. The
    failure to do so probably stems from the fact that those three searches produced nothing
    significant. They did confirm that Farley had been the author of the communications with
    “Stephanie,” but he conceded that at trial.
    79
    consent to the search that the agents did not suspect him of being a terrorist. He
    knew when he consented to the search that the agents were looking for child
    pornography on the laptop because they had specifically asked him whether he had
    used it to search for child pornography. Given all of the circumstances, Farley’s
    consent to the search was knowing and voluntary. The district court did not err in
    denying his motion to suppress the evidence found on the laptop.
    3.
    Farley contends that the printed Mapquest directions should have been
    excluded from evidence because the warrantless search of his briefcase, to which
    he did not consent, was improper.23 He also argues that because the agents would
    not have known he even had a computer with him if they had not seen it inside the
    briefcase, everything found on the computer should have been excluded as fruit of
    the poisonous tree.
    Farley’s rationale for challenging the briefcase search has not been
    consistent. At a pretrial conference before the district court, his counsel argued
    that the search was invalid because Farley had not been formally arrested. Counsel
    based that argument on Agent Paganucci’s admission that he could not remember
    whether he had specifically informed Farley that he was “under arrest” when the
    23
    Farley also objected to the search of his suitcase on the same basis, but that issue is
    moot because nothing of significance was found in it.
    80
    agents told him that he needed to come with them, handcuffed him, led him off the
    plane, put him into the back seat of a police car, drove him to a police station,
    searched him and removed his wallet, cuffed him to a chair, and read him his
    rights. However, counsel conceded to the court that if Farley was “under arrest,”
    then “there’s inventory policies that allow for the search of items.” The district
    court found that Farley had been arrested when the agents detained him on the
    plane, and it denied Farley’s motion to suppress the contents of the briefcase.
    Farley does not address the district court’s determination that he was legally
    arrested, so he has abandoned any argument that he was not.24 See United States v.
    Ardley, 
    242 F.3d 989
    , 990 (11th Cir. 2001). Instead, he argues that the search was
    not a proper inventory search because the agents should have sealed the briefcase
    in his presence rather than opening it to itemize its contents. This argument has no
    merit. Inventory searches of an arrestee’s personal property are a “well-defined
    exception” to the Fourth Amendment’s warrant requirement. Colorado v. Bertine,
    
    479 U.S. 367
    , 371, 
    107 S.Ct. 738
    , 741 (1987).25 When police take custody of a
    24
    In any event, whether an arrest has occurred depends on the particular facts of the
    detention, and there is no requirement that a detainee be told in “formal words” that he is under
    arrest. United States v. Ashcroft, 
    607 F.2d 1167
    , 1170 (5th Cir. 1979). No one disputes that
    Farley was not free to leave throughout the relevant time.
    25
    It is not clear from the district court’s ruling whether it denied the motion to suppress
    the result of the briefcase search on the ground that it was an inventory search or a search
    incident to arrest, and the government argues both grounds on appeal. We will affirm a district
    court’s evidentiary ruling if it was correct on any ground. United States v. Cardenas, 
    895 F.2d 1338
    , 1345 (11th Cir. 1990). Because the inventory search ground is dispositive, we need not
    81
    bag, suitcase, box, or any similar container, they may open it in order to itemize its
    contents pursuant to standard inventory procedures. United States v. Laing, 
    708 F.2d 1568
    , 1570–71 (11th Cir. 1983). That is what the agents did in this case.
    When they opened Farley’s briefcase and suitcase they compiled an inventory,
    itemizing the complete contents of both bags on a standard “Receipt for Property”
    form. The sole authority Farley cites to support his position, United States v.
    Davis, 
    501 F. Supp. 23
    , 26 (N.D. Ga. 1980), is a district court decision whose
    reasoning this Court has specifically rejected. See Laing, 
    708 F.2d at
    1571 n.5.
    The search of the briefcase was proper, and the district court did not err in
    admitting the printed Mapquest directions or in rejecting Farley’s “fruit of the
    poisonous tree” argument with respect to the computer.
    D.
    Farley also contends that the evidence was insufficient to support his
    conviction on either count. We review de novo whether sufficient evidence
    supports a conviction, resolving all reasonable inferences in favor of the verdict.
    United States v. Brown, 
    415 F.3d 1257
    , 1270 (11th Cir. 2005). In reviewing
    evidentiary sufficiency, “we must determine whether the evidence, construed in the
    light most favorable to the government, would permit the trier of fact to find the
    address the search incident to arrest ground.
    82
    defendant guilty beyond a reasonable doubt.” 
    Id.
     (quotation marks and citation
    omitted). We will not reverse unless no reasonable trier of fact could find guilt
    beyond a reasonable doubt. United States v. Schaltenbrand, 
    930 F.2d 1554
    , 1560
    (11th Cir. 1991). “It is not our function to make credibility choices or to pass upon
    the weight of the evidence.” Brown, 
    415 F.3d at 1270
     (quotation marks and
    citation omitted). “Instead, we must sustain the verdict where there is a reasonable
    basis in the record for it.” 
    Id.
     (quotation marks and citation omitted). That is no
    less true when the district court, instead of a jury, acts as the trier of fact. Hearn v.
    McKay, 
    603 F.3d 897
    , 904 (11th Cir. 2010) (“It is the exclusive province of the
    judge in non-jury trials to assess the credibility of witnesses and to assign weight to
    their testimony.” (alteration and quotation marks omitted)).
    To convict Farley under § 2422(b) for attempting to entice a minor for
    sexual activity, the government needed to prove (1) that Farley acted with the kind
    of culpability required for the crime he was charged with attempting, and (2) that
    he engaged in conduct constituting a substantial step toward its commission. Root,
    
    296 F.3d at
    1227–28. Farley did not contest that the government had proved the
    substantial step element, but contended only that it had not proven he acted with
    the necessary intent. We agree with the district court’s well-reasoned rejection of
    that contention.
    83
    Farley’s communications with “Stephanie” are ample proof of his criminal
    intent to entice a person he believed to be a ten- or eleven-year-old girl into sexual
    activity. Farley asks us to find that evidence insufficient because, during his chats
    with “Stephanie,” he sometimes talked about things other than sex with children.
    That is like an English teacher arguing that he should not be convicted for
    attempting to sexually molest a student if some of their time together, when he was
    not propositioning her, was spent discussing participles.
    What Farley did say to Stephanie on the subject of sex with her daughter is
    more than enough to show his criminal intent. He spent months instructing a
    mother to show her prepubescent daughter pornographic videos, teach her to
    masturbate, and touch her sexually, all in preparation for his own violation of the
    child. Farley admitted at trial that he could not be “certain” Stephanie was not
    actually carrying out his instructions on an actual child. In his chat messages and
    emails he described in sickening detail what he intended to do to the little girl
    when he got there; and he repeatedly acknowledged his awareness that what he
    planned to do was highly illegal. Cf. Root, 
    296 F.3d at 1228
     (criminal intent
    established by defendant’s instant messages to purported thirteen-year-old
    describing sex acts he wanted to perform with her, and by his acknowledgment he
    could “get in a lot of trouble” because she was so young). The district court’s
    84
    decision, as the trier of fact, to believe Farley’s repeated professions in those
    communications that he was “for real,” and to disbelieve his insistence at trial that
    it was all a fantasy, was entirely reasonable. Cf. Yost, 
    479 F.3d at 819
     (“Nothing
    in the [chat] transcripts supports Yost’s claim he believed he was communicating
    with adult women role-playing as minors.”).
    The same evidence also shows that Farley took substantial steps toward the
    completion of the crime. His trip to Atlanta to meet the mother and child was not
    the only step he took. See Root, 
    296 F.3d at 1228
     (defendant’s five-hour drive to
    agreed meeting place was substantial step). For example, each of Farley’s
    instructions to Stephanie to “groom” her daughter for sexual contact with him were
    not just statements of his intent, but “actual, objective acts that . . . strongly
    corroborate[]” his culpability. See 
    id.
     (defendant’s requests for the “child” to
    perform sex acts constituted substantial steps); see also Yost, 
    479 F.3d at
    819–20
    (defendant’s sending of sexually explicit messages and picture of his penis to
    purported underage girl, and his arrangement to meet her, were objective acts
    “strongly corroborat[ing]” culpability). The district court’s verdict that Farley
    attempted to entice a minor into sexual activity is fully supported by the evidence.
    Convincing evidence also supports Farley’s conviction under § 2241(c).
    Under that statute, the crime is crossing a state line with the requisite criminal
    85
    intent. Conviction “turns simply on the illegal purpose for which [Farley]
    traveled.” Root, 
    296 F.3d at
    1231–32 (discussing evidence sufficiency for
    interstate travel conviction under 
    18 U.S.C. § 2423
    (b)). The district court
    understandably had “very little trouble finding beyond a reasonable doubt” that
    Farley believed there was an actual child, and it reasonably concluded that Farley’s
    communications with Stephanie were a more truthful expression of his intentions
    toward that child than his trial testimony. The court, after all, saw Farley testify
    and had an opportunity to determine his credibility or lack thereof. See Hearn, 
    603 F.3d at 904
    .
    The district court found beyond a reasonable doubt that Farley’s intention in
    traveling to Atlanta was to meet Stephanie and Sydney and then to sexually assault
    the child. The printout of the Mapquest directions to the IHOP restaurant, which
    Farley brought to Atlanta, is strong evidence of that intent. The court as factfinder
    was entitled to take Farley’s implausible explanation for how those directions
    ended up in his briefcase as substantive evidence of his guilt, and it did. See
    United States v. Williams, 
    390 F.3d 1319
    , 1325 (11th Cir. 2004); cf. United States
    v. Brown, 
    53 F.3d 312
    , 314 (11th Cir. 1995) (defendant who chooses to testify runs
    risk that, if disbelieved, factfinder will conclude the opposite is true). Also proving
    Farley’s intent were his efforts to ensure that Stephanie and Sydney were “for real”
    86
    by asking them to pose in a picture holding a sign with his name on it. He had no
    reason to do that if, as he claimed, he was just “role playing” and was not
    interested in being with them in person. Not only that, but as the district court
    observed, if Farley did not intend to show up for their meeting then there was no
    reason for him to tell Stephanie he was coming to Atlanta in the first place.
    Evidence that Farley had a legitimate business purpose for his trip to
    Atlanta, and that Strategic Staffing Services paid his expenses, does not undermine
    the court’s conclusion about Farley’s intent. The court reasonably could have
    inferred that Farley arranged the business meeting in order to give himself an
    opportunity to fly to Atlanta and molest a child on someone else’s dime, or to give
    himself a cover story in case his fears of a police sting came true, or that he simply
    took advantage of the trip for that purpose.26 At best for Farley, the evidence
    establishes only that he also intended to close an insurance deal the morning after
    he had sexually violated an eleven-year-old girl with her mother’s help.
    Farley also argues as exculpatory evidence the fact that he lied to Stephanie
    about the timing of his flight, telling her he would arrive around 6:30 p.m. when
    his plane was actually scheduled to land two hours earlier. He insists that this
    proves he did not really intend to show up for the meeting at the IHOP, and instead
    26
    At the suppression hearing, Detective Southerland testified that Chris Polk told her the
    Atlanta business meeting had been Farley’s idea. However, this evidence was not presented at
    trial.
    87
    planned to use Sydney’s 8:30 p.m. bedtime as an excuse to cancel at the last
    minute. However, an equally reasonable inference from that evidence is that
    Farley wanted to arrive early so that he could scout out the meeting location and
    make sure there were no police waiting for him.
    Even if Farley had a plausible innocent explanation for his conduct, we
    would be required to affirm his conviction so long as there was evidence sufficient
    for a reasonable factfinder to find guilt beyond a reasonable doubt, after we drew
    all inferences in favor of the verdict. See Brown, 
    415 F.3d at
    1270–71; United
    States v. Jordan, 
    582 F.3d 1239
    , 1247 (11th Cir. 2009) (“The evidence does not
    need to exclude every reasonable hypothesis of innocence or be wholly
    inconsistent with every conclusion except that of guilt, provided that a reasonable
    trier of fact could find that the evidence established guilt beyond a reasonable
    doubt.” (quotation marks omitted)). In any event, Farley’s attempts to explain
    away the mountain of evidence against him are not plausible. They are, to quote
    Jeremy Bentham, “nonsense upon stilts.” See Anarchical Fallacies; Being an
    Examination of the Declarations of Rights Issued During the French Revolution
    (1795), reprinted in 2 The Works of Jeremy Bentham 501 (John Bowring ed.,
    88
    William Tait 1843). The evidence was more than enough to establish Farley’s
    guilt beyond a reasonable doubt on both counts.27
    We turn now to the government’s appeal of the district court’s ruling that the
    thirty-year mandatory minimum sentence under § 2241(c) is constitutionally
    disproportionate.
    IV.
    As Chief Justice Roberts recently put it, the Supreme Court “has struggled
    with whether and how to apply the Cruel and Unusual Punishments Clause to
    sentences for noncapital crimes,” and has “not established a clear or consistent path
    for courts to follow in applying the highly deferential narrow proportionality
    analysis.” Graham v. Florida, No. 08–7412, ___ U.S. ___, 
    2010 WL 1946731
    , at
    *25 (May 17, 2010) (Roberts, C.J., concurring in the judgment) (quotation marks
    omitted); see also Lockyer v. Andrade, 
    538 U.S. 63
    , 72, 
    123 S.Ct. 1166
    , 1173
    27
    The final issue Farley raises in his cross-appeal challenges the district court’s
    application of a two-level sentence enhancement for obstruction of justice based on its
    conclusion that Farley gave false testimony at trial. See U.S.S.G. § 3C1.1. In light of our
    decision on the constitutionality of the thirty-year minimum sentence under § 2241(c), discussed
    in the next section, this issue probably is moot. With or without the two-level enhancement,
    Farley’s guidelines calculations would have produced a sentencing range well below the thirty-
    year minimum mandated by the statute. When that happens, the mandatory minimum becomes
    the guidelines sentence. See U.S.S.G. § 5G1.1(b). In any event, we would not have agreed with
    Farley’s argument about this enhancement. The record, to say nothing of the conviction itself,
    fully supports the district court’s finding that Farley gave false testimony when he took the stand
    and denied any intention of having sex with a child. More particularized sentence findings were
    not required. See United States v. Singh, 
    291 F.3d 756
    , 763 (11th Cir. 2002). If it mattered, the
    enhancement is applicable.
    89
    (2003) (noting that “our precedents in this area have not been a model of clarity”
    and “we have not established a clear or consistent path for courts to follow”);
    Harmelin v. Michigan, 
    501 U.S. 957
    , 996, 
    111 S.Ct. 2680
    , 2702 (1991) (plurality
    opinion of Kennedy, J., joined by O’Connor & Souter, JJ.) (stating that “our
    proportionality decisions have not been clear or consistent in all respects”). The
    path the Court has established is clear enough, however, for us to decide that the
    thirty-year mandatory minimum sentence imposed on Farley is not constitutionally
    disproportionate.
    A.
    The decisional law about how the Eighth Amendment’s Cruel and Unusual
    Punishments Clause applies to non-capital sentences imposed on adults is
    primarily contained in a half dozen or so Supreme Court decisions issued in a
    period spanning nearly a century. The first one, Weems v. United States, 
    217 U.S. 349
    , 
    30 S.Ct. 544
     (1910), recognized that the Eighth Amendment prohibits
    punishments that are grossly disproportionate to the crime. Beyond that, Weems
    has little application in modern times because it involved the outdated and
    physically painful punishment of cadena temporal, which was to be imposed for a
    period of fifteen years on a man for falsifying a public record. 
    Id. at 358
    , 
    30 S.Ct. 90
    at 545.28 Farley did not commit an offense involving paperwork and he is not
    being subject to cadena temporal punishment.
    The next decision, Rummel v. Estelle, 
    445 U.S. 263
    , 
    100 S.Ct. 1133
     (1980),
    upheld the constitutionality of a mandatory life sentence with the possibility of
    parole after twelve years.29 That sentence had been imposed under a recidivist
    statute for the defendant’s third white collar felony, a $120.75 false pretenses
    offense, and his two earlier felonies had involved the theft of a total of $108.36.
    
    Id. at 265
    , 
    100 S.Ct. at 1135
    . In rejecting the constitutional attack on that sentence,
    the Court held that the absence of violence in the crimes being punished was not
    determinative of the disproportionality issue because “the presence or absence of
    violence does not always affect the strength of society’s interest in deterring a
    particular crime or in punishing a particular criminal.” 
    Id. at 275
    , 
    100 S.Ct. at 1140
    . The Court also said that those who unsuccessfully attempt to commit crimes
    are “no less blameworthy, only less skillful” than those who succeed. 
    Id. at 276
    ,
    
    100 S.Ct. at 1140
    .
    28
    “[I]t is provided that those sentenced to cadena temporal and cadena perpetua shall
    labor for the benefit of the state. They shall always carry a chain at the ankle, hanging from the
    wrists; they shall be employed at hard and painful labor, and shall receive no assistance
    whatsoever from without the institution.” Weems, 
    217 U.S. at 364
    , 
    30 S.Ct. at 548
     (quotation
    marks omitted).
    29
    In the Rummel opinion itself the Court said that Rummel would probably be eligible
    for parole in twelve years, but in Solem v. Helm, 
    463 U.S. 277
    , 301–02, 
    103 S.Ct. 3001
    , 3016
    (1983), the Court clarified that Rummel could have been eligible for parole in as few as 10 years,
    although “in the normal course of events” it would be 12 years.
    91
    Next came Hutto v. Davis, 
    454 U.S. 370
    , 
    102 S.Ct. 703
     (1982), summarily
    reversing a court of appeals decision that a forty-year sentence was so grossly
    disproportionate to the crime of possessing and distributing less than nine ounces
    of marijuana (said to have a street value of about $200) that it violated the Eighth
    Amendment’s Cruel and Unusual Punishments Clause. The Court scolded the
    court of appeals for failing to heed the Rummel decision, reiterated that courts
    should be reluctant to review legislatively mandated terms of imprisonment, and
    stressed that successful disproportionality challenges should be “exceedingly rare.”
    
    Id. at 372, 374
    , 
    102 S.Ct. at
    704–05. The Court criticized the court of appeals for
    sanctioning “an intrusion into the basic line-drawing process that is properly within
    the province of the legislatures, not courts.” 
    Id. at 374
    , 
    111 S.Ct. at 706
     (quotation
    marks omitted).
    Aside from Weems, which involved an archaic punishment, the only case in
    which the Supreme Court has held that a non-capital sentence imposed on an adult
    was constitutionally disproportionate is Solem v. Helm, 
    463 U.S. 277
    , 
    103 S.Ct. 3001
     (1983). That case involved a defendant sentenced to life imprisonment
    without parole for “uttering a ‘no account’ check for $100,” 
    id. at 281
    , 
    103 S.Ct. at 3005
    , the latest in a string of relatively minor offenses. Helm’s earlier crimes, like
    that offense, “were all nonviolent, none was a crime against a person, and alcohol
    92
    was a contributing factor in each case.” 
    Id. at 280
    , 
    103 S.Ct. at 3005
    . The
    Supreme Court held that “a criminal sentence must be proportionate to the crime
    for which the defendant has been convicted,” 
    id. at 290
    , 
    103 S.Ct. at 3009
    , and that
    the proportionality inquiry should be guided by objective factors, such as the
    gravity of the offense and the severity of the punishment, 
    id.
     at 290–92, 
    103 S.Ct. at
    3010–11. The Court also said that “it may be helpful” to compare sentences
    imposed on other criminals in the same jurisdiction and that courts “may find it
    useful” to compare sentences imposed for the same crime in other jurisdictions. 
    Id.
    at 291–92, 
    103 S.Ct. at
    3010–11. In discussing how to measure the harm “caused
    or threatened to the victim or society,” the Court noted the difference between
    nonviolent and violent crimes and between attempts and completed crimes. 
    Id.
     at
    292–93, 
    103 S.Ct. at 3011
    . In weighing the culpability of the criminal, the Court
    laid out what it described as “clear distinctions that courts may recognize and
    apply,” including the difference between negligent and intentional conduct and
    differences in motive (the example given was that a contractual murder is “more
    serious” than a non-contractual one). 
    Id.
     at 293–94, 
    103 S.Ct. at 3011
    . As for the
    severity of sentences of imprisonment, the Court said that “the problem is not so
    much one of ordering, but one of line-drawing,” and conceded that such decisions
    “although troubling, are not unique to this area.” 
    Id. at 294
    , 
    103 S.Ct. at 3012
    .
    93
    Turning to the case before it, the Solem Court viewed the crime of uttering a
    “no account” check for $100 as “one of the most passive felonies a person could
    commit,” pointing out that it “involved neither violence nor threat of violence to
    any person” and “is viewed by society as among the less serious offenses.” 
    Id. at 296
    , 
    103 S.Ct. at
    3012–13 (quotation marks omitted). Nor did the Court think that
    the case was a compelling one for application of habitual offender penalties: “His
    prior offenses, although classified as felonies, were all relatively minor. All were
    nonviolent and none was a crime against a person.” 
    Id.
     at 296–97, 
    103 S.Ct. at 3013
     (footnote omitted). Because Helm’s record “involves no instance of violence
    of any kind,” the Court thought that “[i]ncarcerating him for life without possibility
    of parole is unlikely to advance the goals of our criminal justice system in any
    substantial way.” 
    Id.
     at 297 n.22, 
    103 S.Ct. at
    3013 n.22.
    As for the severity of Helm’s punishment, the Court recognized that life
    without the possibility of parole was “far more severe” than the life sentence with
    parole eligibility in twelve years that had been imposed in Rummel. 
    Id. at 297
    , 
    103 S.Ct. at 3013
    . It was the most severe sentence that could be imposed in the state
    where Helm was sentenced, which did not have capital punishment. 
    Id.
     The Court
    then surveyed the penalties available in that state and found “a large group of very
    serious offenses for which life imprisonment was not authorized, including a third
    94
    offense of heroin dealing or aggravated assault,” and that “Helm [had] been treated
    in the same manner as, or more severely than, criminals who have committed far
    more serious crimes.” 
    Id.
     at 298–99, 
    103 S.Ct. at
    3013–14. Looking to other
    jurisdictions, the Court determined that “Helm was treated more severely than he
    would have been in any other State” with one possible exception. 
    Id.
     at 299–300,
    
    103 S.Ct. at
    3014–15. For these reasons, the Court concluded that Helm’s sentence
    was “significantly disproportionate to his crime, and [was] therefore prohibited by
    the Eighth Amendment.” 
    Id. at 303
    , 
    103 S.Ct. at
    3016–17.
    Farley, unlike Helm, is not facing a life without parole sentence. And he
    was not convicted for “one of the most passive felonies a person could commit,” or
    one that “is viewed by society as among the less serious offenses.” 
    Id. at 296
    , 
    103 S.Ct. at
    3012–13 (quotation marks omitted). Far from it. Still, if Solem were the
    last word on the subject, it would be of some use to Farley. Its usefulness to him
    would not lie in Solem’s actual holding—the result considered in light of the facts
    of the case—because the facts of the two cases are materially different. Attempts
    to sexually molest children are at the opposite end of the severity and harm
    spectrum from writing a bad check. The usefulness of Solem to Farley would be in
    the opinion’s relatively aggressive approach to disproportionality review and in
    some of the objective factors it specified that courts may apply in deciding whether
    95
    a particular sentence is constitutionally disproportionate. Solem is not, however,
    the last word from the Supreme Court on this subject.
    Eight years after Solem the Supreme Court decided in Harmelin v.
    Michigan, 
    501 U.S. 957
    , 
    111 S.Ct. 2680
     (1991), that a mandatory sentence of life
    imprisonment without the possibility of parole was not constitutionally
    disproportionate for the crime of possession of 672 grams (23.7 ounces or 1.48
    pounds) of cocaine, even for a first offender. The Harmelin decision dooms
    Farley’s contention that the mandatory minimum sentence of thirty years imposed
    on him is unconstitutional.
    As for the mandatory nature of the penalty, the Harmelin Court scoffed at
    the idea that depriving the sentencer of discretion to consider mitigating
    circumstances could make any difference in whether a non-capital sentence was
    constitutionally disproportionate. See 
    id.
     at 994–95, 
    111 S.Ct. at 2701
    . The Court
    reasoned that: “Severe, mandatory penalties may be cruel but they are not unusual
    in the constitutional sense, having been employed in various forms throughout our
    Nation’s history. . . . There can be no serious contention, then, that a sentence
    which is not otherwise cruel and unusual becomes so simply because it is
    ‘mandatory.’” 
    Id.
     Applied to the present case, that means a thirty-year sentence
    mandatorily imposed for violation of § 2241(c) is to be viewed the same as if it
    96
    were a thirty-year sentence chosen by a judge in the exercise of her sentencing
    discretion.
    Because it is the narrowest basis for the result in Harmelin, Justice
    Kennedy’s concurring opinion, which was joined by two other Justices, see id. at
    996, 
    111 S.Ct. at 2702
     (plurality opinion of Kennedy, J., joined by O’Connor &
    Souter, JJ.), contains most of the Court’s holdings in that case. See Marks v.
    United States, 
    430 U.S. 188
    , 193, 
    97 S.Ct. 990
    , 994 (1977) (“When a fragmented
    Court decides a case and no single rationale explaining the result enjoys the assent
    of five Justices, the holding of the Court may be viewed as that position taken by
    those members who concurred in the judgments on the narrowest grounds.”
    (quotation marks omitted)).30 In keeping with the Marks instructions about
    fragmented opinions, we will hereafter treat Justice Kennedy’s plurality opinion as
    that of the Court and his statements as coming from the Court, but we will still
    observe the niceties of citation form. See also Graham v. Florida, No. 08–7412,
    30
    Justice Kennedy’s concurring opinion in Harmelin rests on a narrower ground than
    Justice Scalia’s lead opinion, which would have concluded that “the Eighth Amendment contains
    no proportionality guarantee,” 
    501 U.S. at 965
    , 
    111 S.Ct. at 2686
     (Scalia, J., joined by
    Rehnquist, C.J.). See United States v. Robison, 
    505 F.3d 1208
    , 1221 (11th Cir. 2007) (“The
    ‘narrowest grounds’ is understood as the ‘less far-reaching’ common ground.”).
    However, Part IV of Justice Scalia’s opinion, which we have cited in the previous paragraph of
    the text of this opinion, is also the opinion of the Court in Harmelin because it was joined by a
    majority of the Justices who voted for the judgment in that case. See id. at 996, 
    111 S.Ct. at 2702
     (Kennedy J., joined by O’Connor & Souter, JJ., concurring) (“I concur in Part IV of the
    Court’s opinion and in the judgment.”).
    97
    
    2010 WL 1946731
    , at *8 (U.S. May 17, 2010) (stating that Justice Kennedy’s
    opinion in Harmelin was the “controlling opinion” with regard to the
    proportionality issue); Ewing v. California, 
    538 U.S. 11
    , 23–24, 
    123 S.Ct. 1179
    ,
    1187 (2003) (plurality opinion) (“The proportionality principles in our cases
    distilled in Justice Kennedy’s concurrence [in Harmelin] guide our application of
    the Eighth Amendment in the new context that we are called upon to consider.”).31
    The Harmelin Court recognized “that the Cruel and Unusual Punishments
    Clause encompasses a narrow proportionality principle” that applies to non-capital
    sentences. Harmelin, 
    501 U.S. at 997
    , 
    111 S.Ct. at
    2702–03 (plurality opinion).
    Candidly, the Court acknowledged that the proportionality principle’s “precise
    contours are unclear,” and “Solem, furthermore, appeared to apply a different
    analysis than in Rummel and Davis.” 
    Id. at 998
    , 
    111 S.Ct. at 2703
    . From “close
    analysis” of its decisions, however, the Court was able to come up with “some
    common principles that give content to the uses and limits of proportionality
    review.” 
    Id.
    31
    Under the Marks rule the plurality opinion in Ewing is the controlling one because it
    supported the judgment in that case on a narrower ground than did the concurring opinions of
    Justices Scalia and Thomas. Compare Ewing, 
    538 U.S. at 14
    , 123 S.Ct. at 1181 (plurality
    opinion of O’Connor, J., joined by Rehnquist, C.J., and Kennedy, J.), with id. at 31, 123 S.Ct. at
    1190 (Scalia, J., concurring in the judgment), and id. at 32, 123 S.Ct. at 1191 (Thomas, J.,
    concurring in the judgment).
    98
    The “first of these principles” is one generally calling for hands off by the
    judiciary, because “the fixing of prison terms for specific crimes involves a
    substantive penological judgment that, as a general matter, is properly within the
    province of legislatures, not courts.” Id. (quotation marks omitted). The
    responsibility for making the difficult and fundamental choices that go into setting
    the limits of criminal penalties lies with the legislature, and its choices are “not to
    be interfered with lightly, nor by any judicial conception of their wisdom or
    propriety.” Id. at 998–99, 
    111 S.Ct. at
    2703–04 (quotation marks omitted). The
    second principle, which also calls for judicial humility in this area, is that “the
    Eighth Amendment does not mandate adoption of any one penological theory,” and
    over time there have been varying theories and approaches to criminal sentencing.
    
    Id. at 999
    , 
    111 S.Ct. at 2704
    . More specifically, “competing theories of mandatory
    and discretionary sentencing have been in varying degrees of ascendancy or
    decline since the beginning of the Republic.” 
    Id.
     The third principle the Harmelin
    Court saw as limiting proportionality review is that variations in underlying
    theories and in the length of prescribed prison sentences “are the inevitable, often
    beneficial, result of the federal structure,” which means that one jurisdiction or
    another will usually treat offenders more severely than most jurisdictions do, 
    id.
     at
    998–1000, 
    111 S.Ct. at
    2703–04.
    99
    The fourth principle set out by the Harmelin Court is that proportionality
    review should be informed by “objective factors to the maximum possible extent.”
    
    Id. at 1000
    , 
    111 S.Ct. at 2704
     (quotation marks omitted). The Court said that
    “[t]he most prominent objective factor is the type of punishment imposed,” and
    one example it gave was the difference between cadena temporal in the Weems
    case and “more traditional forms of punishment imposed under the Anglo-Saxon
    system.” 
    Id. at 1001
    , 
    111 S.Ct. at 2704
     (quotation marks omitted). Another
    example was the difference between capital punishment and imprisonment for a
    term of years. 
    Id.
     By contrast, the difference between one term of years and
    another is not subject to that kind of objective analysis. 
    Id. at 1001
    , 
    111 S.Ct. at 2705
     (“By contrast, our decisions recognize that we lack clear objective standards
    to distinguish between sentences for different terms of years.”). That, explained
    the Court, is why “outside the context of capital punishment, successful challenges
    to the proportionality of particular sentences are exceedingly rare.” 
    Id.
     (quotation
    and other marks omitted).
    The Supreme Court summed up the four principles it set out and the final
    principle they lead to in this passage from Harmelin:
    All of these principles—the primacy of the legislature, the variety of
    legitimate penological schemes, the nature of our federal system, and
    the requirement that proportionality review be guided by objective
    factors—inform the final one: The Eighth Amendment does not
    100
    require strict proportionality between crime and sentence. Rather, it
    forbids only extreme sentences that are “grossly disproportionate” to
    the crime.
    
    Id.
     (citation omitted).
    The Court then applied those principles to “the challenged aspects of
    petitioner’s sentence: its severe length and its mandatory operation.” 
    Id.
    Acknowledging that a life without parole sentence was the second most severe
    penalty permitted by law, the Court pointed out that the crime in Harmelin “was far
    more grave than the crime at issue in Solem.” 
    Id.
     Solem’s crime was a passive
    one involving neither violence nor the threat of violence and was viewed by
    society as among the less serious offenses. Not only that, but the felonies
    underlying his status as a recidivist were all relatively minor. 
    Id. at 1002
    , 
    111 S.Ct. at 2705
    . By contrast, Harmelin had been convicted of possession of more than 650
    grams of cocaine, a crime that “falls in a different category from the relatively
    minor, nonviolent crime at issue in Solem.” 
    Id.
     The Court characterized
    Harmelin’s suggestion that his crime was nonviolent and victimless as “false to the
    point of absurdity.” 
    Id. at 1002
    , 
    111 S.Ct. at
    2705–06. The Court explained that
    the “[p]ossession, use, and distribution” of illegal drugs threatened grave harm to
    society not only because of the pernicious effects that those drugs have on those
    who use them, but also because their sale may lead to other crimes, including
    101
    crimes of violence.32 
    Id.
     at 1002–03, 
    111 S.Ct. at 2706
    . Because of those
    pernicious effects, the state legislature “could with reason conclude that the threat
    posed to the individual and society by possession of this large an amount of
    cocaine—in terms of violence, crime, and social displacement—is momentous
    enough to warrant the deterrence and retribution of a life sentence without parole.”
    
    Id. at 1003
    , 
    111 S.Ct. at 2706
    .
    The Court noted that a life without parole sentence for possession of 672
    grams of cocaine fell “within the constitutional boundaries established by our prior
    decisions,” including the Davis decision that had upheld a forty-year sentence for
    possession with intent to sell nine ounces of marijuana. 
    Id. at 1004
    , 
    111 S.Ct. at 2706
    . Michigan, as the Court pointed out, could rationally conclude Harmelin’s
    crime was more serious than Davis’ crime. 
    Id.
    32
    The Michigan statute under which Harmelin was convicted made the mere possession
    of 650 or more grams of cocaine punishable by life imprisonment without the possibility of
    parole, see 
    Mich. Comp. Laws §§ 333.7403
    (2)(a)(i) (mandatory life sentence) and 791.234(4)
    (no parole eligibility for “major controlled substance offense”), even without any intent to
    distribute. See Harmelin, 
    501 U.S. at
    1024–25, 
    111 S.Ct. at
    2717–18 (White, J., dissenting).
    Nevertheless, the sheer quantity of drugs involved, as well as other “trappings of a drug
    trafficker” (a beeper, plastic bags, a coded address book, and several thousand dollars in cash),
    see 
    id. at 1008
    , 
    111 S.Ct. at 2709
     (Kennedy, J., concurring), strongly suggested that Harmelin
    intended more than just personal use, and the Supreme Court assumed as much in considering
    the gravity of the social harm caused by the crime. See 
    id.
     at 1002–03, 
    111 S.Ct. at
    2705–06
    (plurality opinion). In interpreting the Harmelin decision, we will follow the Supreme Court’s
    lead and assume that Harmelin intended to distribute the pound and a half of cocaine he
    possessed.
    102
    Harmelin argued that a court could not decide whether a sentence was
    constitutionally disproportionate without comparing it to sentences imposed for
    other crimes in the same jurisdiction and those imposed for the same crime in other
    jurisdictions. 
    Id. at 1004
    , 
    111 S.Ct. at
    2706–07. The Court disagreed, stating that
    whatever the Solem opinion said, “it did not announce a rigid three-part test,” and
    “comparative analysis within and between jurisdictions is not always relevant to
    proportionality review.” 
    Id.
     at 1004–05, 
    111 S.Ct. at 2707
    . To the contrary,
    “intrajurisdictional and interjurisdictional analyses are appropriate only in the rare
    case in which a threshold comparison of the crime committed and the sentence
    imposed leads to an inference of gross disproportionality.” 
    Id. at 1005
    , 
    111 S.Ct. at 2707
    . Without an initial judgment that a sentence is grossly disproportionate to
    a crime, comparative analysis of sentences has no role to play. Applying that rule
    to the Harmelin case, the Supreme Court determined that in light of the seriousness
    of the offense, the life without parole sentence “[did] not give rise to an inference
    of gross disproportionality” and there was no need for any comparative analysis.
    
    Id.
    At this point in the analysis the concurring opinion of Justice Kennedy
    stopped being the opinion of the Court under Marks but continued as a concurring
    103
    opinion on the subject of the mandatory nature of the sentence.33 Concurring in the
    result, it rejected the contention that the Constitution requires individualized
    sentencing and consideration of mitigating circumstances in non-capital cases. 
    Id. at 1006
    , 
    111 S.Ct. at 2707
     (Kennedy, J., concurring). The power of the legislature
    to specify punishments without giving the courts any sentencing discretion being
    “beyond question,” illegal drugs being “a most serious contemporary social
    problem,” and “clear notice of the severe consequences” having been given, the
    mandatory life without parole penalty was constitutionally permissible. 
    Id.
     at
    1006–08, 
    111 S.Ct. at 2708
    .34
    33
    Here is why. Justice Kennedy, joined by Justices O’Connor and Souter, specifically
    concurred in Part IV of Justice Scalia’s opinion, 
    id. at 996
    , 
    111 S.Ct. at 2702
    , which had been
    joined in full by Chief Justice Rehnquist, 
    id. at 961
    , 
    111 S.Ct. at 2683
    . That means five Justices
    joined Part IV of Justice Scalia’s opinion, which addressed the issue of whether the mandatory
    nature of the sentence rendered it constitutionally disproportionate, making it the opinion of the
    Court on that issue. See 
    id. at 961
    , 
    111 S.Ct. at 2683
     (“Justice Scalia announced the judgment of
    the Court and delivered the opinion of the Court with respect to Part IV . . . .”).
    The Marks rule does not apply to an issue resolved in any part of an opinion that five Justices
    have joined, which becomes the opinion of the Court on that issue. The additional discussion of
    the mandatoriness issue in Justice Kennedy’s opinion, joined by only two other Justices, is only
    a concurring opinion. In any event, that part of Justice Kennedy’s opinion is entirely consistent
    with Part IV of Justice Scalia’s opinion, which is the opinion for the Court on that issue.
    34
    Only recently the Supreme Court decided in Graham v. Florida that a life without
    parole sentence is unconstitutionally disproportionate for any non-homicide crime committed by
    a person under the age of eighteen. The Graham decision did not undermine Harmelin insofar as
    adult offenders are concerned, but recognized instead that Harmelin is still “suited for
    considering a gross proportionality challenge to a particular defendant’s sentence.” Graham v.
    Florida, No. 08–7412, 
    2010 WL 1946731
    , at *9 (U.S. May 17, 2010). Graham has no
    application to Farley, who was thirty-seven years old when he first initiated contact with
    Stephanie. See, e.g., 
    id. at *13
     (“[B]ecause juveniles have lessened culpability they are less
    deserving of the most severe punishments.”); 
    id. at *28
     (Roberts, C.J., concurring in the
    judgment) (“Graham’s age places him in a significantly different category from the defendants in
    104
    Twelve years after Harmelin the Supreme Court rejected a disproportionality
    attack on a sentence of 25 years to life imposed, under California’s “Three Strikes
    and You’re Out” law, on a defendant with a long, serious criminal record who stole
    three golf clubs. Ewing v. California, 
    538 U.S. 11
    , 
    123 S.Ct. 1179
     (2003)
    (plurality opinion). The decision is primarily about recidivism laws, but it did
    recognize and extend to that context the proportionality principles that had been set
    out in Harmelin. See 
    id.
     at 23–24, 123 S.Ct. at 1187.35 On the same day that
    Ewing was released, the Court issued another decision in a case arising under
    California’s three strikes law. That case involved a habitual offender who on two
    occasions two weeks apart stole two videos from a store and was sentenced to two
    consecutive sentences of twenty-five years to life. Lockyer v. Andrade, 
    538 U.S. 63
    , 
    123 S.Ct. 1166
     (2003). Applying the AEDPA deference provisions, the
    Supreme Court held that the state court decision rejecting a disproportionality
    attack on that sentence was not an unreasonable application of clearly established
    federal law. 
    Id.
     at 76–77, 123 S.Ct. at 1175.
    B.
    Rummel, Harmelin, and Ewing, all of whom committed their crimes as adults.”).
    35
    As we have already mentioned, Justice O’Connor’s plurality opinion in Ewing is the
    controlling one. See supra note 31.
    105
    The thirty-year mandatory minimum sentence imposed on Farley for
    violating § 2241(c) cannot be constitutionally disproportionate in light of the
    principles announced in Harmelin or the actual holding of that decision. Harmelin
    squarely establishes that the mandatory nature of a non-capital penalty is irrelevant
    for proportionality purposes. Harmelin, 
    501 U.S. at
    994–95, 
    111 S.Ct. at 2701
    (opinion of the Court); 
    id. at 1006
    , 
    111 S.Ct. at
    2707–08 (Kennedy, J., concurring).
    As a result, in deciding whether the thirty-year sentence that § 2241(c) requires for
    Farley is constitutionally disproportionate we treat that sentence no differently
    from one that is imposed in the exercise of a judge’s sentencing discretion.
    Harmelin’s insistence on judicial restraint in this area is evident in the
    emphasis it puts on the principle that substantial deference is owed to the
    legislative branch, which has the responsibility for setting criminal penalties, and
    the principle that the Eighth Amendment does not embody any particular theory of,
    or approach to, punishment. Id. at 998–99, 
    111 S.Ct. at
    2703–04 (plurality
    opinion). Those principles are reinforced by Harmelin’s instruction that “[t]he
    Eighth Amendment does not require strict proportionality between crime and
    sentence,” and “forbids only extreme sentences that are ‘grossly disproportionate’
    to the crime.” 
    Id. at 1001
    , 
    111 S.Ct. at 2705
     (citation omitted). That is why in
    non-capital cases “successful challenges to the proportionality of particular
    106
    sentences are exceedingly rare,” 
    id.
     (quotation and other marks omitted), so rare in
    fact that our own Court has never found a term of imprisonment to violate the
    Eighth Amendment, and outside the special category of juvenile offenders the
    Supreme Court has found only one to do so. And that one was for a sentence of
    life imprisonment without parole imposed on a petty criminal who wrote a bad
    check for $100, the latest in a string of his relatively minor, nonviolent offenses.
    See Solem, 
    463 U.S. at
    280–81, 
    103 S.Ct. at 3005
    . As the Supreme Court put it in
    Lockyer, “[t]he gross disproportionality principle reserves a constitutional
    violation for only the extraordinary case.” 538 U.S. at 77, 123 S.Ct. at 1175. This
    is not one of those extraordinary cases, one of those exceedingly rare situations, in
    which the specified term of imprisonment violates the Eighth Amendment.
    Farley in his briefs, and the district court in deciding the case, spent a lot of
    time and effort comparing the thirty-year sentence required by § 2241(c) to the
    punishments available or required for similar or worse crimes under the federal
    criminal code and in other jurisdictions. But Harmelin squarely holds that such
    comparisons have no place in proportionality analysis unless “a threshold
    comparison of the crime committed and the sentence imposed leads to an inference
    of gross disproportionality.” Harmelin, 
    501 U.S. at 1005
    , 
    111 S.Ct. at 2707
    (plurality opinion); see also United States v. Raad, 
    406 F.3d 1322
    , 1324 n.4 (11th
    107
    Cir. 2005) (“Because Raad cannot make a threshold showing of disproportionality,
    we need not consider the sentences imposed on others.”); United States v. Brant,
    
    62 F.3d 367
    , 368 (11th Cir. 1995) (same).
    We know from Harmelin that viewing the thirty-year sentence required by §
    2241(c) in light of Farley’s crime does not lead to an inference of gross
    disproportionality. Harmelin’s sentence was life imprisonment without parole,
    “the second most severe penalty permitted by law.” Harmelin, 
    501 U.S. at 1001
    ,
    
    111 S.Ct. at 2705
     (plurality opinion). Still, the Supreme Court held that there was
    no inference of gross disproportionality in that case. 
    Id. at 1005
    , 
    111 S.Ct. at 2707
    (“In light of the gravity of petitioner’s offense, a comparison of his crime with his
    sentence does not give rise to an inference of gross disproportionality. . . .”).
    Because Farley’s crime is as bad or worse than the one Harmelin committed, and a
    thirty-year sentence is less severe than one of life imprisonment without parole, it
    necessarily follows that a sentence of thirty years is not grossly disproportionate to
    Farley’s crime.36 As a result, comparison of the thirty-year sentence to the
    sentences authorized or required under other statutes in this or another jurisdiction
    36
    We note in passing, although it is by no means necessary to our conclusion, that a
    defendant who receives a thirty-year federal sentence will seldom have to serve the full thirty
    years in prison. Under 
    18 U.S.C. § 3624
     federal inmates routinely receive 54 additional days’
    credit toward the service of their sentence at the end of each year that they have served with
    good behavior. Because of § 3624 an inmate could complete a 30-year sentence in 26 years and
    2 months. See 
    18 U.S.C. § 3624
    ; 
    28 C.F.R. §§ 523.20
    , 541.13 (2005).
    108
    is not appropriate. See 
    id.
     at 1004–05, 
    111 S.Ct. at
    2706–07 (“A better reading of
    our cases leads to the conclusion that intrajurisdictional and interjurisdictional
    analyses are appropriate only in the rare case in which a threshold comparison of
    the crime committed and the sentence imposed leads to an inference of gross
    disproportionality.”).
    The crime in Harmelin was possession of 672 grams of cocaine. The crime
    here is travel across state lines with intent to sexually violate an underage child.
    While it is true that Farley, through no fault of his own, was unable to inflict that
    harm on an actual victim, the same could be said of Harmelin. After all, the 672
    grams of cocaine he possessed was seized by police before any of it could be
    further distributed or consumed, thereby preventing harm to society. See 
    id. at 988
    , 
    111 S.Ct. at 2698
     (lead opinion). In judging the seriousness of the crime the
    Supreme Court in Harmelin looked at the harm caused by the type of crime
    involved in that case. 
    Id.
     at 1002–04, 
    111 S.Ct. at
    2705–06 (plurality opinion).
    We do the same here.
    The Court stated in Harmelin that the “possession, use, and distribution” of
    illegal drugs are serious problems affecting the health and welfare of the
    population, and it dismissed the argument that Harmelin’s crime was nonviolent
    and victimless as “false to the point of absurdity.” 
    Id. at 1002
    , 
    111 S.Ct. at
    109
    2705–06. By the same token, the sexual abuse of children, and the use of the
    internet to facilitate that abuse, are serious problems affecting the health and
    welfare of the nation. The Supreme Court, this Court, and other courts have
    expounded at length on the severity of crimes involving the sexual abuse of
    children and the extent of the harm caused by those crimes. See, e.g., Kennedy v.
    Louisiana, — U.S. —, 
    128 S.Ct. 2641
    , 2646 (2008) (“Petitioner’s crime [of raping
    his 8-year-old stepdaughter] was one that cannot be recounted in these pages in a
    way sufficient to capture in full the hurt and horror inflicted on his victim or to
    convey the revulsion society, and the jury that represents it, sought to express by
    sentencing petitioner to death.”); 
    id.
     at 2677–78 (Alito J., dissenting, joined by
    Roberts, C.J., and Scalia & Thomas, JJ.) (“Long-term studies show that sexual
    abuse is grossly intrusive in the lives of children and is harmful to their normal
    psychological, emotional and sexual development in ways which no just or humane
    society can tolerate.” (quotation marks omitted)); New York v. Ferber, 
    458 U.S. 747
    , 758 n.9, 
    102 S.Ct. 3348
    , 3355 n.9 (1982) (“It has been found that sexually
    exploited children are unable to develop healthy affectionate relationships in later
    life, have sexual dysfunctions, and have a tendency to become sexual abusers as
    adults.”); United States v. Pugh, 
    515 F.3d 1179
    , 1202 (11th Cir. 2008) (“[W]e have
    typically treated child sex offenses as serious crimes, upholding severe sentences in
    110
    these cases.”); United States v. Searcy, 
    418 F.3d 1193
    , 1198 (11th Cir. 2005)
    (“[P]ersuasion, inducement, enticement or coercion of a minor to engage in
    unlawful sexual activity carries an inherent risk of physical injury to the minor.”);
    United States v. Eagle, 
    515 F.3d 794
    , 799 (8th Cir. 2008) (explaining that an eight-
    year-old boy who had been sexually assaulted “experienced mental, emotional, and
    physical problems. . . . began feeling sad and unhappy and also experienced
    encopresis, or involuntary defecation”); see also Brief of Amici at 6–17 (discussing
    medical and psychiatric studies showing the long-term harm caused by the sexual
    abuse of children); cf. United States v. Nagel, 
    559 F.3d 756
    , 761 (7th Cir. 2009)
    (noting that The Protection of Children from Sexual Predators Act of 1998
    “evinces a congressional recognition of the seriousness of attempted sexual
    enticement of a minor”). We would find any suggestion that child sexual abuse is
    a nonviolent crime as absurd as the Supreme Court found the same suggestion
    about possession of 672 grams of cocaine. See Harmelin, 
    501 U.S. at 1002
    , 
    111 S.Ct. at 2706
     (plurality opinion). Even more so.
    For these reasons, the sentence statutorily required in this case, like the one
    statutorily required in Harmelin, “does not surpass constitutional bounds,” 
    id.
     at
    1008–09, 
    111 S.Ct. at 2709
    . The district court’s ruling that the mandatory
    minimum sentence of thirty years required by § 2241(c) is constitutionally
    111
    disproportionate to the crime is due to be reversed and the lesser sentence the court
    imposed must be vacated.
    V.
    We AFFIRM Farley’s convictions on both counts, and his sentence on
    Count Two. We REVERSE the district court’s order declaring unconstitutional the
    application of the mandatory minimum sentence under 
    18 U.S.C. § 2241
    (c),
    VACATE Farley’s sentence on Count One, and REMAND with instructions to
    impose a sentence no less than that required by § 2241(c).
    112