Commonwealth, Aplt. v. Housman, W. ( 2020 )


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  •                                [J-58AB-2019]
    IN THE SUPREME COURT OF PENNSYLVANIA
    EASTERN DISTRICT
    SAYLOR, C.J., BAER, TODD, DONOHUE, DOUGHERTY, WECHT, MUNDY, JJ.
    COMMONWEALTH OF PENNSYLVANIA,               :   No. 765 CAP
    :
    Appellant               :   Appeal from the Order entered on
    v.                             :   February 2, 2018 in the Court of
    :   Common Pleas, Cumberland County,
    :   Criminal Division, at No CP-21-CR-
    WILLIAM HOWARD HOUSMAN,                     :   0000246-2001 granting a new penalty
    :   phase.
    Appellee                :
    :   SUBMITTED: June 13, 2019
    :
    COMMONWEALTH OF PENNSYLVANIA,               :   No. 766 CAP
    :
    Appellee                :   Appeal from the Order entered on
    :   February 2, 2018 in the Court of
    v.                             :   Common Pleas, Cumberland County,
    :   Criminal Division, at No CP-21-CR-
    :   0000246-2001 granting a new penalty
    WILLIAM HOWARD HOUSMAN,                     :   phase.
    :
    Appellant               :   SUBMITTED: June 13, 2019
    :
    OPINION
    JUSTICE TODD                                         DECIDED: March 26, 2020
    Before our Court in this capital case are the cross-appeals of the Commonwealth,
    which has been designated as the appellant in this matter, and William H. Housman,
    designated as the appellee, from the order of the Cumberland County Court of Common
    Pleas granting Housman’s petition for relief under the Post Conviction Relief Act
    (“PCRA”), 42 Pa.C.S. §§ 9541 et seq., in the form of a new penalty trial, but denying him
    guilt phase relief.1 After careful review, we affirm.
    I. BACKGROUND
    This case arises from the October 2000 murder of Leslie White, the facts of which
    were summarized by this Court on Housman’s direct appeal:
    Shortly after graduating from high school, Leslie White, the
    victim, met [Housman] when she began working at the Wal-
    Mart photo shop in Mechanicsburg, Cumberland County.
    They began a romantic relationship; however, [Housman] was
    already involved in a romantic relationship with co-defendant
    Beth Ann Markman, and had been living with her for nearly
    two years.
    Markman discovered e-mails between White and [Housman],
    revealing their affair. Markman told [Housman] to end his
    relationship with White, and told several friends and co-
    workers she intended to “‘kick [White's] ass.’” Markman's co-
    workers noticed bruising around her eyes and neck, which
    she attributed to fights with [Housman] over the e-mails. On
    one occasion, Markman called Wal-Mart to speak with White,
    which left White scared and crying. Markman also visited the
    store once, looking for White, but left without incident.
    Markman told a friend “if she ever got her hands on [White],
    she was going to kill her.” She told her probation officer,
    Nicole Gutshall, she caught [Housman] cheating on her, and
    if she caught him cheating again, she would kill the girl.
    [Housman] did not terminate his relationship with White.
    [Housman] and Markman made plans to move to Virginia for
    a fresh start. However, Markman became suspicious that
    [Housman] had not ended his relationship with White.
    Markman drove [Housman] in her car to a local Sheetz store,
    where [Housman] used a pay phone to call White at Wal-Mart.
    He falsely told White his father died, and asked her to come
    to console him. He told her Markman was out of town. Various
    Wal-Mart employees testified White received this call from
    1 In capital cases, this Court has exclusive appellate jurisdiction over orders finally
    disposing of petitions for relief pursuant to the PCRA. See 42 Pa.C.S. §§ 722(4); 9546(d);
    Commonwealth v. Williams, 
    936 A.2d 12
    , 17 n.13 (Pa. 2007).
    [J-58AB-2019] - 2
    [Housman], and she told her co-workers [Housman’s] father
    died and she was leaving work early to console him.
    When White arrived at the trailer where [Housman] and
    Markman lived, [Housman] talked with her in the living room,
    while Markman hid in the bedroom until, according to
    [Markman’s] subsequent confession and trial testimony, she
    heard a thump and White cried out because [Housman] hit her
    hand with a hammer. Then [Housman] and Markman
    subdued White and tied her hands and feet with speaker wire,
    shoved a large piece of red cloth in her mouth, and used
    another piece of cloth to tie a tight gag around her mouth.
    With White bound, Markman and [Housman] stepped outside
    to smoke cigarettes and discuss their next move. Upon
    reentering the trailer, Markman held White down while
    [Housman] strangled her with speaker wire and the crook of
    his arm, killing her. During the struggle, White scratched
    Markman's neck. White died of asphyxiation caused by
    strangulation and the rag stuffed into her mouth.
    After White died, Markman wrapped White's body in a tent
    and placed it in the back of White's Jeep. The couple then
    fled to Virginia. Markman drove her car and [Housman] drove
    White's Jeep − carrying White's body. In Virginia, they drove
    to a remote piece of land owned by [Housman’s] mother, then
    placed White's body in the trunk of an abandoned car. They
    discarded White's personal effects, except for her camera,
    which they intended to sell.
    [Housman] and Markman remained in Virginia for several
    days, staying with friends and [Housman's] father. [Housman]
    continued to drive White's Jeep, which he held out as his own.
    While staying with Larry Overstreet and Kimberly Stultz,
    Markman corroborated [Housman’s] story that they bought
    the Jeep from Markman's friend in Pennsylvania. At the
    Overstreet residence, Markman retrieved White's camera
    from the Jeep and they all took pictures of each other −
    Markman stated she bought the camera from the same
    woman who sold them the Jeep. Overstreet and Stultz
    recalled seeing scratches on Markman's neck, which
    Markman explained were from a dog. Stultz gave Markman
    the phone number of a pawn shop, and the shop owner
    testified he gave Markman $90 and a pawn ticket for the
    camera. Markman asked Stultz for cleaning supplies because
    “the Jeep smelled bad, like somebody had a dead animal in
    [it].” Markman also told Stultz that [Housman] had been
    [J-58AB-2019] - 3
    seeing another woman, and if she ever met this other woman,
    she would “whoop her ass.” Another friend, Nina Jo Fields,
    testified that during the couple's visit to her home, Markman
    told her [Housman] had been cheating on her, but that she
    “[didn't] have to worry about the damn bitch anymore,
    [because she] took care of it.”
    After White's parents filed a missing persons report, the
    authorities tracked her Jeep to Housman's location in Virginia.
    Deputy Brian Vaughan of the Franklin County Sheriff's office
    in Virginia went to the house to question [Housman] and
    Markman about the Jeep and White's whereabouts. When he
    saw the Jeep in the driveway, he ran the license plate number,
    which traced back to the Toyota Leasing Corporation.
    Markman and [Housman] came to the door to greet Deputy
    Vaughan. Deputy Vaughan questioned them separately in his
    patrol car about the Jeep. [Housman], who was questioned
    first, told Deputy Vaughan he called White to ask her to
    console him about his dog, which had just died. [Housman]
    said White never arrived at the trailer, and he subsequently
    left with Markman for Virginia. He claimed a friend loaned him
    the Jeep.
    Subsequently, Markman voluntarily entered the patrol car and
    explained to Deputy Vaughan she had only seen White once,
    but had had several phone conversations with her. She
    denied knowledge of White's whereabouts, but indicated
    White had a bad relationship with her parents, suggesting she
    had run away. Markman denied knowing how [Housman]
    acquired the Jeep, and admitted driving separate cars to
    Virginia. When Deputy Vaughan asked Markman if she was
    afraid of [Housman], she said she was not; rather, she
    admitted she had a violent temper, and [Housman] often had
    to restrain her from attacking him. She said she provoked
    [Housman] in the past and had thrown things at him, but
    [Housman] never assaulted or threatened her.
    Following the police visit, [Housman] and Markman drove
    back to the property where they left White's body; there they
    abandoned the Jeep. Despite the couple's efforts to conceal
    the evidence, the police soon discovered the Jeep, as well as
    White's partially-decomposed body in the trunk of the
    abandoned car − the body was still bound, gagged, and
    wrapped in the canvas tent. [Housman]'s fingerprints were
    found on the car's trunk lid and license plate, a compact disc
    [J-58AB-2019] - 4
    recovered from the Jeep, the Jeep's hatch, and other
    evidence recovered from the scene. Markman's fingerprints
    were found on a potato chip bag retrieved from the Jeep, and
    the Jeep's passenger door and rear hatch. Subsequent
    analysis revealed Markman's DNA under White's fingernails.
    The Pennsylvania State Police obtained a search warrant for
    Markman's trailer and executed it; they found blood on a pillow
    and urine on the carpet in the place White was likely strangled.
    Police also discovered two lengths of speaker wire, red fibers
    on the floor, a piece of red cloth, a steak knife, red fibers on
    the knife, a tent storage bag, a hammer, and a stethoscope.
    Police arrested [Housman] and Markman on October 11,
    2000, exactly one week after the murder. Police retrieved
    White's camera from the pawn shop and developed the film.
    The pictures taken at the Overstreet residence were admitted
    into evidence at trial; in one photograph − taken just days after
    [Housman] and Markman strangled White to death −
    Markman is laughing while [Housman] pretends to strangle
    her.
    Following their arrest, and after receiving Miranda warnings,
    Markman and [Housman] waived their rights and agreed to be
    interviewed, providing tape-recorded statements.        Each
    independently confessed to participating in White's murder.
    [Housman] admitted to killing White by strangling her, but
    claimed Markman instigated the murder to eliminate the
    source of one of their relationship problems and enable them
    to start their relationship anew. He maintained Markman
    directed him to tie White up and strangle her, and Markman
    forced compliance by hitting him with a hammer and then
    spinning the hammer in a threatening manner. After White
    died, Markman listened with a stethoscope to verify her death
    before wrapping the body in the tent.
    In her police statement, Markman admitted she bound and
    gagged White and held her down while [Housman] strangled
    her. She insisted, however, [Housman] devised the plan to
    murder White in order to steal her Jeep, and he coerced her
    assistance by threatening to kill her with a hunting knife if she
    did not obey him. Markman also asserted [Housman] wore
    down her resistance by terrorizing her the night before the
    murder by holding a knife to her throat and forcing her to
    remain naked in the trailer. Markman said she only realized
    White was dead when White lost control of her bladder.
    [J-58AB-2019] - 5
    [Housman] moved to sever his trial from Markman's because
    introduction of Markman's confession to police, which was
    admissible against Markman, would violate his Sixth
    Amendment right to confront a witness against him. The trial
    court denied the motion. [Housman] and Markman were tried
    on one count each of criminal homicide, kidnapping, unlawful
    restraint, and abuse of a corpse, and two counts of theft by
    unlawful taking or disposition (pertaining to the Jeep and the
    camera), as well as conspiracy as to all of these offenses.
    [Housman] and Markman each decided to advance a duress
    defense, trying to show they engaged in the conduct charged
    because they were coerced by the other through “the use of,
    or a threat to use, unlawful force against his person or the
    person of another, which a person of reasonable firmness in
    his situation would have been unable to resist.” 18 Pa.C.S. §
    309(a). Upon learning Markman intended to show she acted
    under duress as the result of [Housman's] abuse, [Housman]
    filed a motion for reconsideration of the severance denial,
    arguing he would be prejudiced by evidence of his abuse of
    Markman. The trial court again denied the motion, and the
    joint trial began.
    During the guilt phase, the Commonwealth played an
    audiotape of Markman's confession, altered so references to
    [Housman] were replaced with another voice saying “the other
    person.”      In her confession, Markman initially denied
    knowledge of White's murder, or even knowing White had
    been to her trailer the night she was killed. After being
    questioned, Markman changed her story and said [Housman]
    was helping White run away from her parents, and while
    Markman drove to Virginia in her car, [Housman] drove White
    to Virginia in White's Jeep. When police asked about the
    scratches on her neck, Markman changed her story again and
    said she had gotten into a fight with White the day she left for
    Virginia. After further interrogation, Markman confessed to
    her role in the murder, but blamed [Housman] for making her
    participate by threatening and terrorizing her. Markman said
    when White arrived at the trailer in response to [Housman]'s
    phone call, she stayed out of the way until she heard White
    cry out when [Housman] hit her hand with a hammer.
    [Housman] then made Markman tie White up, gag her, and
    blindfold her. Markman said after [Housman] strangled White,
    he made her wrap White's body in the tent and put it in the
    Jeep. When asked why [Housman] killed White, Markman
    responded she believed he wanted the Jeep.
    [J-58AB-2019] - 6
    Markman was permitted to adduce evidence of abuse by
    [Housman] in her defense. Markman testified [Housman]
    physically abused her during their relationship, particularly in
    the months before the murder. She also alleged [Housman]
    terrorized her for the two days preceding the murder, during
    which time he cut her clothes off with a knife, repeatedly raped
    her, and threatened her if she did not do as he instructed.
    Markman's testimony also included details of the night of the
    murder. Markman claimed that when she drove [Housman]
    to the gas station, she did not know he was planning to call
    White, and she attempted to escape once they returned to the
    trailer; however, [Housman] violently prevented her from
    leaving. Markman stated even when White was bound and
    gagged, she did not know [Housman] was going to kill her,
    and she was in the kitchen getting White a glass of water
    when [Housman] strangled her. At that time, Markman
    testified [Housman] ordered her to return the gag to White's
    mouth because it had slipped, and she only obeyed him
    because she was afraid he would kill her, too. As for her
    statement to Officer Vaughan that [Housman] had never
    abused her, she said she was trying to protect him. When
    questioned about the photograph in which she was laughing
    while [Housman] pretended to strangle her, Markman stated
    [Housman] was tickling her.
    Based on the evidence of abuse, Markman requested a jury
    instruction on the defense of duress. The trial court refused
    because Markman placed herself in a situation where it was
    probable she would be subjected to duress. . . .
    The Commonwealth also introduced a tape of [Housman's]
    confession, which was redacted so references to Markman
    were replaced with “the other person” in another voice. Due
    to an apparent oversight, there were two instances of non-
    redaction, where [Housman]'s references to Markman by
    name remained on the tape. The confession alleged
    Markman conceived of the plot to kill White, directed its
    execution, and forced [Housman] to cooperate. [Housman]
    said Markman wanted White dead because she was jealous.
    He admitted he called White to the trailer because he wanted
    someone to talk to, and he knew he had to lie to get her to
    come to the trailer. After [Housman] talked with White for a
    few minutes, Markman came out of the bedroom, playing with
    [J-58AB-2019] - 7
    a hammer. According to his confession, after playing with the
    hammer, Markman hit him with the hammer “[j]ust enough for
    me to feel the pain.” Markman directed [Housman] to tie
    White's hands, and once he was finished, she tied
    [Housman’s] hands and White's feet. After blindfolding and
    gagging White, Markman untied [Housman] and they went
    outside to smoke a cigarette. While they were outside,
    according to [Housman's] confession, Markman said if
    [Housman] loved her, he would do as she told him. When
    they went back inside, Markman directed [Housman] to pull
    speaker wire around White's neck, which he did because he
    did not “want to die that night” in the event Markman “flipped
    out and wanted to hit me with a . . . hammer.” [Housman]
    confessed to devising the plan to leave the state with White's
    body so they could hide it on his family's Virginia property . . .
    .
    The trial court informed the jury the taped confessions had
    been altered at the trial court's direction to include the words
    “the other person” and they were only to consider the
    confession as evidence against the defendant that gave the
    confession. [Housman] did not testify and presented no
    defense during the guilt phase. He argued he lacked the
    specific intent to kill White because of Markman's threats and
    conduct with the hammer, his confession supported a third
    degree murder conviction, and the crimes not did not involve
    kidnapping.
    Commonwealth v. Housman, 
    986 A.2d 822
    , 826-30 (Pa. 2009) (internal citations and
    footnotes omitted).
    On November 1, 2001, the jury convicted both Housman and Markman of first-
    degree murder,2 kidnapping,3 theft by unlawful taking or disposition,4 unlawful restraint,5
    abuse of a corpse,6 and criminal conspiracy.7 The Commonwealth sought the death
    penalty for both Housman and Markman. At his penalty phase, Housman presented the
    testimony of Robin Collins, a spiritual advisor with the Cumberland County Prison; Cheryl
    2 18 Pa.C.S. § 2502(a).
    3 18 Pa.C.S. § 2901.
    4 18 Pa.C.S. § 3921.
    5 18 Pa.C.S. § 2902(a).
    6 18 Pa.C.S. § 5510.
    7 18 Pa.C.S. § 903(a).
    [J-58AB-2019] - 8
    McElwee Gillespie, Housman’s half-sister (Cheryl and Housman shared the same
    mother, Geneva Housman); and Dr. Stanley Schneider, a psychologist who evaluated
    Housman and who spoke with several of Housman’s family members. The relevant
    testimony of these individuals is discussed in detail below. Housman also took the stand.
    On November 5, 2001, the jury found one aggravating circumstance − a killing committed
    while in the perpetration of a felony, see 42 Pa.C.S. § 9711(d)(6) − and two mitigating
    circumstances − a troubled childhood and acceptance of responsibility under the catch-
    all mitigator, see 42 Pa.C.S. § 9711(e)(8) − and returned a sentence of death.8
    On December 29, 2009, in an opinion authored by former-Justice Eakin, this Court
    affirmed Housman’s judgment of sentence. See Housman, supra. Justice Baer authored
    a dissenting opinion, stating that he would have reversed Housman’s conviction and
    remanded for a new trial due to the trial court’s refusal to sever the trials of Housman and
    Markman. Then-Justice, now-Chief Justice, Saylor authored a concurring and dissenting
    opinion, indicating that he would affirm Housman’s conviction, but would vacate his death
    sentence and remand for a new sentencing hearing.           Thereafter, Housman sought
    certiorari before the United States Supreme Court, which was denied on October 4, 2010.
    See Housman v. Pennsylvania, 
    131 S.Ct. 199
     (2010) (order).
    On June 17, 2011, Housman filed a timely pro se petition for relief pursuant to the
    PCRA.     A 187-page amended counseled petition was filed on May 22, 2013.
    Subsequently, Housman sought to further amend his petition to include constitutional
    8 Markman also was sentenced to death, but, on direct appeal, this Court reversed her
    convictions and remanded for a new trial on the murder, kidnapping, and unlawful
    restraint charges, finding (1) that introduction of Housman's erroneously redacted
    confession violated Markman's confrontation rights under Bruton v. United States, 
    391 U.S. 123
     (1968), and Gray v. Maryland, 
    523 U.S. 185
     (1998); and (2) that the jury should
    have been informed of the elements of the defense of duress. See Commonwealth v.
    Markman, 
    916 A.2d 586
     (Pa. 2009).
    [J-58AB-2019] - 9
    challenges regarding an alleged bias of Justice Eakin, and he also sought recusal of the
    entire Cumberland County Court of Common Pleas bench. Housman’s motion to amend
    his PCRA petition was denied,9 but his motion for recusal was granted, and, ultimately,
    following three days of evidentiary hearings and several extensions, the PCRA court, by
    the Honorable Linda K.M. Ludgate of the Berks County Court of Common Pleas, granted
    Housman a new penalty trial, concluding that he established that trial counsel was
    ineffective for failing to “investigate, develop and present compelling mitigation evidence.”
    PCRA Court Opinion, 2/2/18, at 10. The PCRA court further held that “the improper
    arguments and victim impact testimony challenged [by Housman], when taken
    cumulatively with [the mitigating evidence claim], support the finding of ineffectiveness
    and the granting of a new penalty phase.” Id. at 10-11. The PCRA court determined that
    Housman’s remaining claims were either previously litigated or without merit; thus, it
    denied Housman’s request for a new guilt trial. The Commonwealth appealed the PCRA
    court’s grant of a new penalty-phase trial, and Housman cross-appealed the court’s denial
    of guilt-phase relief.
    II. ANALYSIS
    In reviewing the grant or denial of PCRA relief, an appellate court considers
    whether the PCRA court's conclusions are supported by the record and free of legal error.
    Commonwealth v. Crispell, 
    193 A.3d 919
    , 927 (Pa. 2018). Moreover, the factual findings
    of a post-conviction court, which hears evidence and passes on the credibility of
    witnesses, should be given deference. See Commonwealth v. Spotz, 
    84 A.3d 312
    , 319
    (Pa. 2014).
    In order to qualify for relief under the PCRA, a petitioner must establish, by a
    preponderance of the evidence, that his conviction or sentence resulted from one or more
    9Housman does not presently challenge the denial of his motion to amend his PCRA
    petition.
    [J-58AB-2019] - 10
    of the enumerated errors in 42 Pa.C.S. § 9543(a)(2). These errors include, inter alia, a
    violation of the Pennsylvania or United States Constitutions, or instances of
    ineffectiveness of counsel that “so undermined the truth-determining process that no
    reliable adjudication of guilt or innocence could have taken place.” Id. § 9543(a)(2)(i) and
    (ii); Crispell, 193 A.3d at 927. A petitioner also must establish that his claims have not
    been previously litigated or waived. 42 Pa.C.S. § 9543(a)(3). An issue is previously
    litigated if “the highest appellate court in which the petitioner could have had review as a
    matter of right has ruled on the merits of the issue.” Id. § 9544(a)(2).
    Additionally, to obtain relief under the PCRA based on a claim of ineffectiveness
    of counsel, a PCRA petitioner must satisfy the performance and prejudice test set forth in
    Strickland v. Washington, 
    466 U.S. 668
     (1984). In Pennsylvania, we have applied the
    Strickland test by requiring a petitioner to establish that: (1) the underlying claim has
    arguable merit; (2) no reasonable basis existed for counsel's action or failure to act; and
    (3) the petitioner suffered prejudice as a result of counsel's error, with prejudice measured
    by whether there is a reasonable probability that the result of the proceeding would have
    been different. Commonwealth v. Pierce, 
    786 A.2d 203
    , 213 (Pa. 2001). Counsel is
    presumed to have rendered effective assistance, and, if a claim fails under any required
    element of the Strickland test, the court may dismiss the claim on that basis.
    Commonwealth v. Ali, 
    10 A.3d 282
    , 291 (Pa. 2010). We will first address Housman’s
    guilt-phase claims.
    A. Guilt Phase
    1. Evidence of Prior Bad Acts
    Housman asserts that trial counsel was ineffective for failing to object to the
    admission of evidence of his prior bad acts, bad character, and propensity for violence at
    the guilt phase of his trial, and, further, that appellate counsel was ineffective in failing to
    [J-58AB-2019] - 11
    properly raise this issue on direct appeal.     Evidence of prior bad acts is generally
    inadmissible to prove character or to show conduct in conformity with that character.
    Pa.R.E. 404(a)(1). Such evidence is permissible, however, when offered to prove other
    relevant facts, such as motive, opportunity, intent, preparation, plan, knowledge, identity,
    absence of mistake, or res gestae to give context to events surrounding a crime. Pa.R.E.
    404(b)(2); Crispell, 193 A.3d at 936. Although evidence of prior bad acts may be relevant
    and admissible, due to the potential for misunderstanding, the defendant is entitled to a
    jury instruction cautioning that the evidence is admissible only for a limited purpose.
    Crispell, 193 A.3d at 937.
    Specifically, Housman challenges the testimony of witnesses who testified on
    behalf of Markman that Housman was physically, sexually, and verbally abusive toward
    Markman. Housman concedes that the trial court instructed the jury that this evidence
    was admissible only for purposes of Markman’s duress defense, but notes that the court
    subsequently disallowed Markman’s defense and failed to strike the bad acts evidence
    from the record. Housman additionally references testimony that he “committed rape;”
    “possessed child pornography and had sexually explicit relationships with minors;” was
    “crazy” and “suicidal;” was “lazy and could not hold down a job;” had previously been
    incarcerated; threatened to kill animals; vandalized the property of others; was a gang
    member; had the look of “pure evil;” was banned from the trailer park where he lived;
    committed burglary and theft; and lacked remorse. Housman’s Brief at 102. According
    to Housman, this testimony was irrelevant, inadmissible, and highly prejudicial.
    In response to Housman’s argument, the Commonwealth notes that the majority
    of the evidence to which Housman refers was introduced not by the Commonwealth, but
    [J-58AB-2019] - 12
    by Markman, in an effort to support her duress defense.10 The Commonwealth further
    argues that, even if certain evidence was improperly admitted, the properly-admitted
    evidence was so overwhelming that Housman suffered no prejudice.
    The PCRA court rejected Housman’s claim, observing that the bad acts evidence
    only came in because of the court’s refusal to sever the trials.
    The instances of admitted bad acts were used on [direct]
    appeal as facts in support of demonstrating the prejudice
    caused by the court’s alleged failure to sever the trials. But,
    on the same facts as we have before us concerning this very
    Claim, the Supreme Court denied relief on [Housman’s] due
    process/fair trial claim which encompassed severance, the
    10 Indeed, a review of the transcript reveals that only four of the statements were not
    introduced during Markman’s presentation of a duress defense, and, further, that
    Housman’s characterization of the evidence is inaccurate. For example, David
    Wriglesworth, the assistant store manager at the Wal-Mart where White and Housman
    once worked, was asked whether Housman was terminated from employment, and
    responded, “[y]es, he was.” N.T. Trial, 10/25/01, at 145. No witness testified that
    Housman was “lazy and could not hold down a job,” as Housman claims. Another
    witness, Joshua Kerstetter, a part-time employee at the Wal-Mart, described the day
    when White left work after she had received a call from Housman telling her his father
    had died. Kerstetter stated that White “was concerned that [Housman] was actually going
    to do harm to himself because he was so distraught over his father being dead.” Id. at
    149. There was no reference to Housman being “crazy.”
    Regarding evidence of Housman’s prior incarceration, page 434 of the notes of
    testimony from October 26, 2001 reflects a discussion between the court and the
    attorneys regarding scheduling issues and a tape recording, but no reference to Housman
    having been previously incarcerated, as Housman claims.
    Finally, Housman asserts that the Commonwealth introduced evidence that he
    lacked remorse, citing to page 313 of the transcript of October 26, 2001. Housman’s Brief
    at 107. However, the only statement on that page pertaining to Housman’s demeanor
    was a statement by Deputy Brian Vaughan, who, in response to the Commonwealth’s
    questioning, indicated that Markman, at the time of arrest, “appeared to be
    hyperventilating, having trouble catching her breath,” while Housman “wasn’t having any
    such trouble.” Housman, however, argues that the prosecutor utilized this statement to
    argue during his closing argument that Housman’s subsequent showing of remorse was
    contrived because he had not shown remorse earlier. Appellant’s Brief at 107. A review
    of the portion of the closing argument cited by Housman, however, does not reveal any
    statement regarding Housman’s demeanor at the time of arrest, or suggestion that his
    demeanor at that time demonstrated a lack of remorse. See N.T. Trial, 11/1/01, at 148-
    49.
    [J-58AB-2019] - 13
    admitted bad acts evidence and the hearsay presented at trial
    through co-defendant’s Markman’s defense.
    PCRA Court Opinion, 2/2/18, at 18.
    We agree that Housman’s ineffectiveness claim fails because, even if the
    aforementioned evidence was improperly admitted, he has failed to demonstrate
    prejudice. As noted, on direct appeal, Housman argued that one of the reasons his trial
    should have been severed from Markman’s was because her duress defense permitted
    her to present substantial prejudicial evidence of uncharged conduct by Housman. In
    rejecting Housman’s claim that he was entitled to a new trial due to the trial court’s refusal
    to sever the trials, this Court explained, inter alia:
    while the evidence of abuse could have caused the jury to
    infer appellant was violent, any prejudice was eclipsed by his
    own admission that he violently strangled White to death in
    his living room after luring her there under false pretenses,
    drove to Virginia with her lifeless body in her Jeep, and
    subsequently deposited her body in the trunk of an
    abandoned car. The jury was aware, based on this evidence
    alone, of appellant’s capacity for violence. Suggestions that
    he intimidated Markman pale in comparison. Focusing on the
    possibility of mice, appellant ignores the elephant in the room.
    Any prejudice resulting from Markman’s admission of
    evidence of abuse was de minimis, and did not overcome the
    factors weighing in favor of a joint trial, nor did the prejudice
    outweigh the Commonwealth’s overwhelming evidence
    supporting appellant’s first degree murder conviction.
    Housman, 986 A.3d at 835 (emphasis original).
    Although Housman now couches his claim in terms of ineffectiveness, this Court
    has already concluded that the properly-admitted evidence that Housman lured the victim
    to his trailer by lying to her, strangled her with speaker wire, and discarded her body in
    an abandoned car, was sufficient to demonstrate to the jury Housman’s capacity for
    violence and to support his conviction for first-degree murder. We likewise conclude that
    any prejudice from the admission of evidence of Housman’s nonviolent bad acts,
    [J-58AB-2019] - 14
    including his alleged possession of child pornography and sexual relationships with
    minors, did not outweigh the overwhelming and properly-admitted evidence of his guilt.
    Accordingly, there is no basis to conclude that, had the evidence of Housman’s prior bad
    acts not been admitted, there is a reasonable probability that the result of the proceeding
    would have been different. For this reason, his ineffectiveness claim fails.
    2. Hearsay
    Housman next argues that his trial counsel was ineffective in failing to object to the
    admission of “numerous hearsay statements,” which he maintains violated his right to
    confrontation and due process under the United States and Pennsylvania Constitutions.
    Housman’s Brief at 117. Hearsay, defined as an out-of-court statement offered to prove
    the truth of the matter asserted therein, generally is inadmissible at trial, unless it falls
    within an exception to the hearsay prohibition. Commonwealth v. Le, 
    208 A.3d 960
    , 970
    (Pa. 2019).
    The PCRA court, in denying Housman relief on this claim, noted:
    [Housman] plainly failed to meet his burden due to his lack of
    specificity as to which instances of hearsay he means to
    address here. Neither the petition nor memorandum specify
    exactly how counsel erred or how [Housman] was prejudiced.
    Instead, [Housman] posits vague claims regarding the
    hearsay allegedly introduced at trial. He states that trial
    counsel failed to object to “some” of the hearsay and that
    appellate counsel only raised “some” of the instances where
    trial counsel failed to object to such hearsay. We cannot
    address a generalized presentation of such a fact-intensive
    claim.
    PCRA Court Opinion, 2/2/18, at 17 (emphasis original).
    In his brief to this Court, Housman identifies a single statement which he contends
    was improper hearsay and to which trial counsel should have objected. Specifically, he
    quotes the following exchange between the prosecutor and Melissa Martin, a Wal-Mart
    employee, who recounted her conversation with the assistant manager, Chad
    [J-58AB-2019] - 15
    Wriglesworth, after White requested permission to leave work early after receiving a
    telephone call from Housman:
    Prosecutor: Now, after that inquiry, what happened there at
    work after that? Did you make an inquiry about Will
    Housman?
    Martin:     Yes.     Chad and I discussed what was
    happening, what Leslie [White] had said to him.
    Prosecutor: Okay. And what was that?
    Martin:        He -- Chad told me that Leslie said that Will had
    just called, his father had died, and that she wanted to go be
    with him.
    Prosecutor: So it was Will had just called, his father had died,
    Leslie wanted to be with him?
    Martin:       Correct.
    N.T. Trial, 10/25/01, at 103.
    Housman asserts that the above statement constituted “highly prejudicial triple
    hearsay, which supported the Commonwealth’s theory that Housman lured the victim to
    his home under false pretenses.” Housman’s Brief at 119. He further claims that “[t]he
    Commonwealth’s witnesses and Markman’s witnesses repeatedly testified about alleged
    altercations between Housman and Markman that these witnesses never actually
    observed,” and, in a footnote, directs this Court’s attention to “Claim 7 of the PCRA
    petition,” 
    id. at 120
    , for a “lengthy discussion of each piece of inadmissible hearsay
    evidence that was introduced at Mr. Housman’s trial.” Id. at n.38.
    Regarding Housman’s citation to his PCRA petition, we have previously held that
    “incorporation by reference” is an “unacceptable manner of appellate advocacy for the
    proper presentation of a claim for relief to our Court.” Commonwealth v. Briggs, 
    12 A.3d 291
    , 342 (Pa. 2011); see also Commonwealth v. Edmiston, 
    634 A.2d 1078
    , 1092 n.3 (Pa.
    [J-58AB-2019] - 16
    1993) (specifying that all claims a litigant desires this Court to consider must be set forth
    in the appellate brief and not just incorporated by reference). Rather,
    [o]ur rules of appellate procedure specifically require a party
    to set forth in his or her brief, in relation to the points of his
    argument or arguments, “discussion and citation of authorities
    as are deemed pertinent,” as well as citations to statutes and
    opinions of appellate courts and “the principle for which they
    are cited.” Pa.R.A.P. 2119(a), (b). Therefore our appellate
    rules do not allow incorporation by reference of arguments
    contained in briefs filed with other tribunals, or briefs attached
    as appendices, as a substitute for the proper presentation of
    arguments in the body of the appellate brief. Were we to
    countenance such incorporation by reference as an
    acceptable manner for a litigant to present an argument to an
    appellate court of this Commonwealth, this would enable
    wholesale circumvention of our appellate rules which set forth
    the fundamental requirements every appellate brief must
    meet. See, e.g., Pa.R.A.P. 2135(a)(1) (establishing length of
    principal brief at no greater than 70 pages); Commonwealth
    v. (James) Lambert, 
    568 Pa. 346
    , 356 n.4, 
    797 A.2d 232
    , 237
    n.4 (2001) (Opinion Announcing Judgment of the Court)
    (refusing to consider claims not argued in the brief but
    incorporated by reference from motions made at trial and
    observing that “[t]o permit appellant to incorporate by
    reference his previous motions would effectively allow him to
    more than double the original briefing limit.”). The briefing
    requirements scrupulously delineated in our appellate rules
    are not mere trifling matters of stylistic preference; rather, they
    represent a studied determination by our Court and its rules
    committee of the most efficacious manner by which appellate
    review may be conducted so that a litigant's right to judicial
    review as guaranteed by Article V, Section 9 of our
    Commonwealth's Constitution may be properly exercised.
    Thus, we reiterate that compliance with these rules by
    appellate advocates who have any business before our Court
    is mandatory.
    Briggs, 12 A.3d at 343 (footnotes omitted).
    Housman has failed to develop or present a proper argument with respect to all
    but a single claim of hearsay, so we find his claims regarding those unidentified instances
    [J-58AB-2019] - 17
    to be waived.11     With respect to the one instance of alleged hearsay identified by
    Housman in his brief − Martin’s testimony regarding the conversation she had with Wal-
    Mart Assistant Manager Wriglesworth about Housman’s telephone call to White − we
    reject Housman’s claim that trial counsel was ineffective for failing to object to this
    statement.     The alleged hearsay statement was cumulative of Housman’s own
    confession, wherein he admitted to calling White for the purpose of luring her to his trailer.
    See Housman’s Brief in Support of Postsentence Motions, 3/19/02 (PCRA Hearing
    Exhibit 24), at 6 (“Mr. Housman explained that he called Ms. White and lied to her about
    his father’s death because he needed someone to talk to and ‘I knew she wouldn’t come
    over so I told her dad died.’”). Thus, counsel had a reasonable basis for not objecting to
    the statement, and, accordingly, Housman’s claim that he is entitled to a new trial because
    trial counsel was ineffective for failing to object to the statements fails.
    3. Trial court’s refusal to sever trials
    Housman next contends that his appellate counsel was ineffective in failing to
    properly raise and litigate a claim that Housman’s right to due process and a fair trial were
    violated when the trial court refused to sever the guilt phase of his trial from that of his co-
    defendant Markman, thereby allowing highly prejudicial evidence, including prior bad
    acts, bad character, and hearsay, to be introduced into evidence.                     Housman
    acknowledges that trial counsel raised and preserved this issue as a claim under the
    United States and Pennsylvania Constitutions, and, further, that his appellate counsel
    raised the issue on direct appeal. He maintains, however, that appellate counsel was
    ineffective “for failing to raise it as a federal due process claim and failing to raise specific
    factual and legal grounds supporting this claim.” Housman’s Brief at 125.
    11We recognize that, in its brief, the Commonwealth addresses several alleged hearsay
    statements beyond the one specifically identified by Housman in his brief. This, however,
    does not alter this Court’s prohibition against incorporation by reference.
    [J-58AB-2019] - 18
    In response, the Commonwealth contends that Housman fails to demonstrate
    arguable merit or prejudice with respect to this claim.             It first observes that,
    notwithstanding the fact that appellate counsel did not specifically cite federal due process
    principles on direct appeal, the foundation of Housman’s federal due process claim was
    substantively rejected by this Court on direct appeal, wherein this Court, in rejecting his
    state claim, relied extensively on Commonwealth v. Chester, 
    587 A.2d 1367
     (Pa. 1991),
    which, in turn, relied on federal precedent. Noting that “the test for prejudice in the
    ineffectiveness context is more exacting than the test for harmless error,” the
    Commonwealth further argues that, in light of this Court’s determination that any error by
    the trial court in failing to sever Housman’s case from Markman’s was harmless,
    Housman failed to meet his burden that he was prejudiced by appellate counsel’s alleged
    ineffectiveness. Commonwealth’s Reply Brief at 36-37 (citing Commonwealth v. Spotz,
    
    84 A.3d 294
    , 315 (Pa. 2014) (observing that, in order for an error to be deemed harmless,
    the Commonwealth must establish, beyond a reasonable doubt, that the error did not
    contribute the verdict, whereas, in order to establish actual prejudice in connection with
    an ineffectiveness claim, the defendant must demonstrate that the ineffectiveness had an
    actual adverse effect on the outcome of the proceedings)).
    The PCRA court rejected Housman’s claim, noting that, while now couched as an
    ineffectiveness claim, it rests on the same facts upon which this Court denied the claim
    on direct appeal. PCRA Court Opinion, 2/2/18, at 15. The court further reasoned that,
    even if appellate counsel was unreasonable in failing to present the additional arguments
    offered by Housman, Housman failed to demonstrate that there was a reasonable
    probability that the additional arguments would have resulted in a different outcome. 
    Id. at 16
    .
    [J-58AB-2019] - 19
    We agree with the PCRA court that Housman’s refashioned severance claim does
    not afford him relief.    This Court addressed a similar claim by the defendant in
    Commonwealth v. Elliott, 
    80 A.3d 415
     (Pa. 2013). In that case, the defendant argued
    that, although appellate counsel unsuccessfully challenged the admissibility of bad acts
    evidence on direct appeal, counsel was ineffective for failing to raise the distinct
    contention that the admission of bad acts evidence violated his federal constitutional right
    to due process. The PCRA court in Elliott determined that the issue had been previously
    litigated on direct appeal and, therefore, was not cognizable under the PCRA. This Court
    concluded that the PCRA’s court’s finding that the issue had been previously litigated was
    erroneous, as a Sixth Amendment claim of ineffectiveness raises a distinct legal ground
    for purposes of state PCRA review from the underlying claim of trial court error. See
    Commonwealth v. Collins, 
    999 A.2d 564
    , 573 (Pa. 2005).
    Nevertheless, we concluded that Elliott’s ineffectiveness claim lacked arguable
    merit, as the foundation of the underlying federal due process claim was that the evidence
    was irrelevant and unduly prejudicial, an argument this Court had rejected on direct
    appeal. See Elliott, 80 A.3d at 442. Housman’s underlying federal due process claim is
    based on the argument that the trial court’s refusal to sever his trial from Markman’s
    unduly prejudiced him by permitting evidence of his prior bad acts and bad character to
    be used against him. However, this Court previously rejected this identical argument on
    direct appeal, concluding that any prejudice that resulted from the admission of such
    evidence was de minimis, and was eclipsed by his own admissions. See Housman, 986
    A.2d at 835.    Thus, consistent with Elliott, Housman has failed to demonstrate the
    arguable merit prong of his current ineffectiveness claim, and he is not entitled to relief.
    [J-58AB-2019] - 20
    4. Jury charge on accomplice liability and conspiracy
    Housman next argues that trial counsel was ineffective for failing to object to the
    trial court’s charge on accomplice liability and conspiracy because the charge did not
    advise the jury that it had to make a finding that Housman had a specific intent to kill in
    order to convict him as an accomplice to first-degree murder. Housman contends that
    the jury charge, as given, eliminated the Commonwealth’s burden of proof as to a crucial
    element of the offense, violating his due process rights.
    In support of his argument, Housman quotes the following portion of the jury
    charge on accomplice liability given by the trial court:
    I say, as a general rule, you may find a defendant guilty
    of a crime without finding that he or she personally engaged
    in the conduct required for the commission of the crime. A
    defendant is guilty of a crime if he or she is an accomplice of
    another person who commits that crime.
    A defendant does not become an accomplice merely
    by being present at the scene or knowing about the crime. He
    or she is an accomplice if, with the intent of promoting or
    facilitating commission of the crime, he or she solicits,
    commands, requests, encourages or agrees with the other
    person in planning or committing it.
    You may find a defendant guilty of a crime on the
    theory that the defendant was an accomplice so long as you
    are satisfied beyond a reasonable doubt that the crime was
    committed and that the defendant was an accomplice of the
    person who committed it.
    N.T. Trial, 11/1/01, at 1209-10.
    Housman suggests that the above charge was substantially similar to the charge
    deemed to violate due process by the Third Circuit in Laird v. Horn, 
    414 F.3d 419
    , 425
    (3d Cir. 2005) (“Under Pennsylvania law, first-degree murder requires the specific intent
    to kill, and that mens rea is also required of accomplices and co-conspirators.”). Housman
    further notes that this Court already determined, in his co-defendant’s appeal, that the
    [J-58AB-2019] - 21
    accomplice liability charge given by the trial court was erroneous. See Markman, 916
    A.2d at 597 n.8 (“Here, the trial judge gave the jury a general accomplice liability
    instruction, but did not explain that the defendant must personally have had a specific
    intent to kill to be convicted of first degree murder as an accomplice. While this omission
    constituted error under the Bachert/Huffman[12] rule . . . the error is irrelevant for purposes
    of a sufficiency analysis and, moreover, the parties have not raised the issue.”).
    Housman additionally challenges the trial court’s conspiracy charge to the jury,
    which provided:
    For purposes of this case, the defendants are charged
    with conspiracy on homicide, kidnapping, theft, unlawful
    restraint and abuse of corpse. I just gave you the elements of
    those charges.
    In order to find the defendants guilty of conspiracy to
    commit these charges, you must be satisfied initially that the
    following two elements of a conspiracy have been proven
    beyond a reasonable doubt:
    One, that the defendants agreed with one another that
    they or one or more of them would engage in conduct which
    constitutes a crime of homicide as I have described it or
    kidnapping or theft or unlawful restraint or abuse of [a]
    corpse, or agreed to aid another person or persons in the
    planning and/or commission of the crimes as I have outlined
    them to you. And, second, that the defendant or defendants
    did so with the intent of promoting or facilitating commission
    of these other crimes.
    In other words, the defendants shared the intention to
    bring about the crime or to make it easier to commit all these
    crimes.
    12 In Commonwealth v. Huffman, 
    638 A.2d 961
     (Pa. 1994), this Court found reversible
    error where the trial court’s instruction suggested that the jury could find that the
    defendant possessed the specific intent to kill required for a first-degree murder conviction
    based solely on an act of his accomplice. We clarified that the Commonwealth must
    prove beyond a reasonable doubt that the defendant independently possessed the
    requisite specific intent to kill, and that the same could not be proven by evidence of the
    intent to kill possessed by the defendant's accomplice or co-conspirator.
    [J-58AB-2019] - 22
    No person may be convicted of conspiracy unless an
    overt act is done in pursuance of the conspiracy -- unless an
    overt act is alleged and proven to have been done by the
    defendant or the co-defendant, co-conspirator.
    In this case, it is alleged that the following were overt
    acts: Luring Leslie White to 112 Big Spring Terrace in
    Newville, blindfolding, gagging, tying the hands and feet of
    Leslie White, strangling Leslie White, stealing White’s vehicle
    and camera and using this property as their own, transporting
    White’s body to Floyd County, Virginia, in the rear of her Jeep
    and placing White’s body in the trunk of an abandoned car on
    the abandoned property that you heard, such as her
    whereabouts were unknown.
    Thus, you cannot find the defendants guilty unless, in
    addition to the elements of conspiracy, you are satisfied
    beyond a reasonable doubt that one of the defendants did at
    least one of the alleged overt acts in pursuance of the
    conspiracy.
    N.T. Trial, 11/1/01, at 1221-22 (emphasis added). Housman maintains that the inclusion
    of the above-italicized phrase “or to make it easier to commit all these crimes” in the trial
    court’s conspiracy charge relieved the Commonwealth of its burden of proving that he
    had the specific intent to kill.
    The PCRA court rejected Housman’s claims of ineffectiveness based on the trial
    court’s jury instructions on accomplice liability and conspiracy, noting that Laird, the case
    on which Housman relies, was decided years after the jury instruction was given in the
    instant case, and holding that counsel cannot be deemed ineffective for failing to predict
    a change in the law. PCRA Court Opinion, 2/2/18, at 17.
    The Commonwealth asserts that Housman ignores the more recent controlling
    case law of this Court, including Commonwealth v. Daniels, 
    963 A.2d 409
     (Pa. 2009),
    wherein we held that the PCRA petitioner was not prejudiced by counsel's failure to
    challenge the trial court's jury instructions regarding the specific intent to kill required for
    a conspiracy conviction, even though an isolated portion of the charge appeared to have
    [J-58AB-2019] - 23
    violated the rule of Huffman. Indeed, the Commonwealth suggests that the instruction on
    accomplice liability given by the trial court in the instant case was nearly identical to the
    one at issue in Daniels, as well as the instruction at issue in Commonwealth v. Bennett,
    
    57 A.3d 1185
     (Pa. 2012), and that, consequently, trial counsel was not ineffective for not
    challenging the instruction. Commonwealth’s Brief at 46. The Commonwealth further
    points out that, in Bennett, this Court stated that it is not bound by decisions of the Third
    Circuit construing Pennsylvania law. See Bennett, 57 A.3d at 1203.
    We need not engage in a protracted examination of the trial court’s instructions on
    accomplice liability and conspiracy in this case to determine whether counsel was
    ineffective for failing to object to the charge. As noted above, under the Strickland test, a
    petitioner must establish that his underlying claim has arguable merit; that no reasonable
    basis existed for counsel's action or failure to act; and that petitioner suffered prejudice
    as a result of counsel's error, with prejudice measured by whether there is a reasonable
    probability that the result of the proceeding would have been different. Pierce, 786 A.2d
    at 213. A claim may be dismissed if it fails any one of these three prongs. Ali, 10 A.3d
    at 291.
    In the instant case, we find that Housman’s ineffectiveness claim fails because he
    cannot demonstrate that he was prejudiced by counsel’s failure to object to the jury
    instructions. Housman confessed that he lured the victim to his trailer by lying to her,
    strangled her with speaker wire, and discarded her body in an abandoned car. Based on
    this evidence, it is inconceivable that the jury would have convicted Housman merely as
    an accomplice to Markman, rather than as a principal in the crime.13 For this reason, his
    ineffectiveness claim fails.
    13Indeed, while not dispositive, we note that the jury – the same jury that heard the guilt
    and penalty phase presentations against both Housman and Markman – found as a
    penalty phase mitigating factor for Markman that her participation in the killing was
    [J-58AB-2019] - 24
    5. Evidence as to specific cause of death
    Housman next contends that his trial counsel was ineffective for failing to present
    evidence to establish that Markman’s act of placing a gag in the victim’s mouth, rather
    than Housman’s act of wrapping speaker wire around the victim’s neck, was the actual
    cause of the victim’s death, and for failing to object to the trial court’s related instruction.
    He further argues that the prosecution elicited and failed to correct misleading testimony
    regarding the specific cause of death.
    Preliminarily, at trial, the medical examiner, Dr. Susan Venuti, testified that, during
    the autopsy of the victim, she removed, inter alia, the speaker wire that was tied around
    the victim’s wrists and ankles, the cloth gag that was tied around the victim’s face, and
    the folded piece of cloth that had been stuffed into the victim’s mouth. N.T. Trial, 10/29/01,
    at 533-36. Dr. Venuti also noted that she had observed “a small area of pink discoloration
    on the decedent’s neck,” which “could be due either to some pressure on the neck, it
    could be a pressure mark, or it could simply be some discoloration due to the
    decompositional changes.” Id. at 538.
    Dr. Venuti testified that it was her belief “that Leslie White died from deprivation of
    oxygen due to airway obstruction. And the term we use is asphyxia due to suffocation by
    smothering.” Id. at 545. When asked what effect “getting the hands under the ligature or
    wire that may have been placed around her neck” would have had on the process of
    asphyxiating the victim, Dr. Venuti further stated:
    Okay, you also have to remember that the decedent
    had a large gag cloth within her mouth and also another gag
    securely tied around her mouth and her neck. This action
    about her neck and her upper body may force this gag further
    relatively minor, Markman, 916 A.2d at 597 n.7 (citing 42 Pa.C.S. § 9711(e)(7)), thereby
    highlighting Housman’s predominate role.
    [J-58AB-2019] - 25
    back in her throat, push her tongue further backwards, and it
    will obstruct her airway.
    Id. at 540.    She further explained:
    The term asphyxiate means lack of oxygen. A person
    can be asphyxiated by having their external airways
    obstructed, for instance, their nose or their mouth.
    Another mechanism can be obstructing the decedent’s
    airway around the neck. The trachea can be obstructed, or
    the blood vessels supplying the blood to and from the brain
    can be obstructed, physically lying on both sides of the front
    of the neck.
    Id. at 543.
    Commonwealth witness Agent Stephen Lester, who was present at the autopsy of
    the victim, also testified at trial, where the following exchange occurred during cross-
    examination:
    Markman’s counsel: And do you recall Doctor Venuti telling
    you that she did not find any bruising in the neck area, but if
    there were, if they were there, they could have been destroyed
    by decomposition?
    Agent Lester: That is correct.
    N.T. Trial, 10/26/01, at 414.
    On redirect, the following exchange took place:
    District Attorney: There was a mark on the neck, was there
    not? Let me show you Commonwealth Exhibit Number 88.
    We haven’t had an opportunity to view Dr. Venuti’s testimony
    yet.
    Agent Lester: Yes. There was a mark on the neck, but --
    District Attorney: I think Mr. Braught [Markman’s counsel]
    was trying to talk about ligature marks. You didn’t find any of
    those, and she said it could have not been there because of
    decomposition?
    Agent Lester: That is correct.
    [J-58AB-2019] - 26
    District Attorney: But there was this pink spot on the neck
    that still remained?
    Agent Lester: Right.
    Id. at 414-15.
    Housman contends that counsel was ineffective for failing to rebut the
    Commonwealth’s theory that Housman intended to and/or caused the victim’s death by
    strangling her with speaker wire with two pieces of evidence. First, he notes that Dr.
    Venuti’s autopsy report listed the cause of death as “asphyxia due to suffocation by
    smothering.” Report of Autopsy, 1/18/01 (PCRA Hearing Exhibit 19). He further refers
    to a memorandum by Virginia State Police Agent S.T. Oliver, in which the agent recounts
    that Dr. Venuti told him, during a November 3, 2000 interview in her office, that she saw
    no evidence of ligature strangulation on the victim’s body, and that she did not believe
    decomposition would have obscured ligature injuries.14 That memorandum provided:
    Dr. Venuti advised that during the autopsy of LESLIE WHITE,
    she saw no petechial hemorrhages and no evidence of any
    ligature strangulation. This is why she ruled that WHITE died
    from suffocation. Dr. Venuti did not rule out that something
    may have blocked the carotid artery but it would have been
    done with something that was soft that did not leave any
    marks. She advised that there was a lot of decomposition on
    the body and this may have obscured minor injuries but does
    not believe that it would have obscured any ligature injuries.
    Dr. Venuti offer [sic] the opinion that if the victim was gagged
    in Pennsylvania, she probably died before getting to Virginia.
    She advised that she had no way of knowing for sure when or
    where the victim died.
    Memorandum of S.T. Oliver, 11/3/00 (PCRA Hearing Exhibit 20).
    14 On at least one occasion, Housman refers to this memorandum as “Dr. Venuti’s report
    to Agent Oliver.” Housman’s Brief at 149. The memorandum, however, was not authored
    by Dr. Venuti; rather, the memorandum merely set forth Agent Oliver’s recollection of his
    interview with Dr. Venuti.
    [J-58AB-2019] - 27
    According to Housman, his counsel should have used the autopsy report and
    Agent Oliver’s memorandum to cross-examine Dr. Venuti regarding the absence of
    ligature marks, and to rebut Agent Lester’s testimony. Housman further suggests that the
    prosecutor’s failure to correct Agent Lester’s statement that Dr. Venuti opined that the
    absence of ligature marks on the victim could have been due to decomposition of the
    body, when the police memorandum of Agent Oliver contradicted the statement, amounts
    to prosecutorial misconduct. Housman’s Brief at 152. Housman argues that, where there
    is “any reasonable likelihood” that “false testimony” offered by the prosecutor could have
    “affected the judgment of the jury,” a new trial is required. Id.
    The PCRA court rejected Housman’s claim, concluding, inter alia, that trial counsel
    testified at the PCRA hearing that he did not cross-examine Dr. Venuti regarding her
    report that noted a lack of ligature marks because, “[s]trategically, I thought there was
    more than enough evidence based on my client’s own admissions and all of the evidence
    he strangling [sic] the young girl and the woman puts a sock down her throat. They are
    both in the process of causing her death, and I didn’t see the strategic advantage of
    getting involved in that particular issue.” N.T. PCRA Hearing, 5/22/17, at 89-90. The
    PCRA court additionally reasoned that, even if there was no reasonable basis for trial
    counsel’s actions, Housman failed to demonstrate prejudice.
    We find no error in the PCRA court’s rejection of Housman’s claim. Initially,
    although Housman suggests that Dr. Venuti testified that it was the gag which impaired
    or obstructed the victim’s airway, and that Dr. Venuti “repeatedly refused to conclude that
    the evidence showed that strangulation caused [the victim’s] death,” Housman’s Brief at
    147, Dr. Venuti nonetheless stated, as evidenced by the trial testimony quoted above,
    that a ligature or wire around the victim’s neck could have forced the gag further back into
    the victim’s mouth, obstructing her airway. N.T. Trial, 10/29/01, at 540.
    [J-58AB-2019] - 28
    Moreover, there was sufficient evidence that Housman’s unchallenged acts
    constituted first-degree murder. A person is guilty of first-degree murder where the
    Commonwealth proves that a human being was unlawfully killed; the person accused is
    responsible for the killing; and the accused acted with specific intent to kill. 18 Pa.C.S. §
    2502(d); Commonwealth v. May, 
    887 A.2d 750
    , 753 (Pa. 2005). An intentional killing is
    a killing by means of poison, or by laying in wait, or by any other kind of willful, deliberate
    and premediated killing. 18 Pa.C.S. § 2502(a). The Commonwealth may establish that
    a defendant intentionally killed another “solely by circumstantial evidence, and the fact
    finder may infer that the defendant intended to kill a victim based on the defendant’s use
    of a deadly weapon on a vital part of the victim’s body.” May, 887 A.2d at 753.
    The evidence presented at trial, including Housman’s own admission that he
    strangled the victim with speaker wire, was sufficient to permit the jury to conclude that
    he intentionally, deliberately, and with premeditation participated in the murder of Leslie
    White. His active participation in this regard was sufficient to allow the jury to conclude
    that he harbored a specific intent to kill. Accordingly, even if the actual cause of the
    victim’s death was asphyxia due to the cloth in her mouth and the gag around her face,
    and not the speaker wire around her neck, the evidence clearly was sufficient to convict
    Housman of first-degree murder.         See May, 887 A.3d at 757 (appellant’s active
    participation in the killing of two victims, including cutting the throat of and shooting one
    of the victims, was sufficient to prove that he harbored a specific intent to kill, such that,
    even if he did not inflict the specific injuries that caused each of the victim’s deaths, he
    properly was convicted of first-degree murder because the evidence proved he clearly
    shared that intent with his accomplice); Daniels, 963 A.2d at 428 (rejecting claim that
    counsel was ineffective for failing to secure testimony of a pathologist as to specific cause
    of death, and emphasizing that “PCRA defense experts’ opinions on the specific cause
    [J-58AB-2019] - 29
    of death say little about appellees’ intention−which was a very different question. . . .
    [A]ppellees controlled the circumstances surrounding [the victim’s] death every step of
    the way and . . . those circumstances fully supported a finding of an intent to kill beyond
    a reasonable doubt.”).
    Accordingly, Housman fails to demonstrate that he was prejudiced by trial
    counsel’s failure to present evidence establishing that it was Markman’s specific acts of
    placing a gag in and around the victim’s mouth, rather than Housman’s act of wrapping
    speaker wire around the victim’s neck, that caused the victim’s death.
    6. Cumulative effect of errors
    Finally, Housman argues that, in the event this Court determines he is not entitled
    to relief from his “conviction and sentence” based on any of the individual claims
    discussed above, he nonetheless is entitled to relief due to the cumulative effect of the
    errors at trial. Housman’s Brief at 160. Housman suggests that, while this Court has
    “been averse to broadly-stated claims of cumulative error,” we have acknowledged that
    multiple instances of deficient performance may warrant a prejudice assessment
    premised on cumulation. Id. Housman’s discussion, however, appears to be limited to
    the errors he alleges occurred during the penalty phase of his trial. At any rate, in
    addressing Housman’s guilt-phase claims above, we rejected three − that counsel was
    ineffective for failing to object to the admission of evidence of Housman’s prior bad acts
    and bad character; that counsel was ineffective for failing to object to the trial court’s
    charge on accomplice liability and conspiracy; and that counsel was ineffective for failing
    to cross-examine Dr. Venuti regarding the absence of ligature marks and rebut Agent
    Lester’s testimony − on the basis that he failed to demonstrate prejudice. Upon review,
    we find that these three errors are insufficient to establish collective prejudice that would
    [J-58AB-2019] - 30
    entitle Housman to relief. Accordingly, for all of the reasons set forth above, we affirm the
    PCRA court’s denial of a new trial.
    B. Penalty Phase
    As noted above, the PCRA court awarded Housman a new penalty trial based on
    his claim that trial counsel was ineffective for failing to investigate and present certain
    mitigation evidence. The Commonwealth challenges that determination, while Housman
    maintains that the PCRA court’s holding was proper. Housman further argues that the
    PCRA court erred in rejecting several additional bases for his claim that he is entitled to
    a new penalty trial. We address the issue of mitigation evidence first, as we find it to be
    dispositive.
    With regard to the presentation of mitigation evidence,
    [i]t is well-established that capital counsel has an obligation
    under the Sixth Amendment to conduct a reasonably thorough
    investigation for mitigating evidence or to make reasonable
    decisions that make further investigation unnecessary.
    Commonwealth v. Lesko, 
    609 Pa. 128
    , 
    15 A.3d 345
    , 380
    (2011); Commonwealth v. Sattazahn, 
    597 Pa. 648
    , 
    952 A.2d 640
    , 655 (2008); Strickland v. Washington, 
    466 U.S. 668
    , 691,
    
    104 S.Ct. 2052
    , 
    80 L.Ed.2d 674
     (1984). Counsel's duty
    encompasses pursuit of all statutory mitigators of which he is
    aware or reasonably should be aware, unless there is some
    reasonable ground not to pursue the circumstance (such as
    when it might open the door to harmful evidence).
    Commonwealth v. Malloy, 
    579 Pa. 425
    , 
    856 A.2d 767
    , 787
    (2004). In evaluating an ineffectiveness claim alleging
    counsel's failure to investigate and present mitigation
    evidence in a capital case, we consider a number of factors,
    including the reasonableness of counsel's investigation, the
    mitigation evidence that was actually presented, and the
    additional or different mitigation evidence that could have
    been presented. Lesko, 
    15 A.3d at 380
    ; Commonwealth v.
    Collins, 
    585 Pa. 45
    , 
    888 A.2d 564
    , 580 (2005). None of the
    aforementioned factors is, by itself, dispositive, because even
    if counsel's investigation is deemed unreasonable, the
    defendant is not entitled to relief unless the defendant
    demonstrates that prejudice resulted from counsel's conduct.
    
    Id.
    [J-58AB-2019] - 31
    Commonwealth v. Brown, 
    196 A.3d 130
    , 151 (Pa. 2018) (quoting Commonwealth v.
    Tharp, 
    101 A.3d 736
    , 772 (Pa. 2014)).
    In his amended PCRA petition, Housman claimed that trial counsel was ineffective
    for failing to retain or request the appointment of a mitigation specialist; failing to conduct
    a life history mitigation investigation; failing to have a life history report prepared; failing
    to reasonably consult with mental health experts; and failing to present compelling
    available mitigation evidence to the jury. Amended PCRA Petition, 5/22/13, at 155.
    Specifically, Housman argued, inter alia, that trial counsel, despite being aware of their
    existence, failed to obtain his medical records from the Spartanburg Mental Health Clinic,
    where he received outpatient psychological and psychiatric treatment from 1989 to 1992
    with psychologist Steven Hope. He further claimed that trial counsel was ineffective for,
    inter alia, failing to present during his penalty trial specific examples of the physical and
    emotional abuse he suffered during childhood; failing to interview and/or obtain testimony
    from mental experts who treated Housman as an adolescent; and failing to present
    evidence of his cognitive impairments.
    We begin by reviewing the mitigation evidence that actually was presented at the
    penalty phase of Housman’s trial. First, counsel presented the testimony of Robin Collins,
    a spiritual advisor at the prison, who testified that he feels a “special affection” for
    Housman, who he had been counseling for five to six months. N.T. Trial, 11/2/01, at
    1287.    Collins testified that Housman is always prepared for Bible study, and that
    Housman “fits in well” in the prison’s Bible study classes.          Id. at 1287-88. Collins
    indicated that he would be willing to correspond in writing with Housman in prison. Id. at
    1289.
    Counsel also presented the testimony of Housman’s half-sister, Cheryl, who
    testified that she lived with her mother, Geneva Housman; her siblings (including
    [J-58AB-2019] - 32
    Housman); and Housman’s father, Howard Housman (hereinafter, “Howard”), until she
    was in the sixth grade, when she told her mother that Howard had been sexually abusing
    her. Id. at 1296. At that point, she, her mother, and her siblings moved out of the house.
    Id.     Housman remained with his father.       Cheryl further testified that Howard was
    physically abusive to her older brother, Russell, and that she once observed Howard
    repeatedly kick Russell in his groin. Id. Cheryl stated that another of her older brothers,
    Larry, was “treated like a work horse.” Id. She described Howard as “cruel and heartless.
    He is just a horrible person.” Id. at 1298.
    Finally, counsel for Housman presented the testimony of Dr. Stanley Schneider,
    who testified that he administered a psychological test to determine Housman’s
    intelligence level, a personality inventory, and an interpersonal inventory to determine
    how he relates to others. Id. at 1304. Dr. Schneider stated that he also reviewed
    Housman’s school records, as well as the psychiatric records from Housman’s three-
    week inpatient stay at the Spartanburg Regional Medical Center in South Carolina in
    1991, when he was 15 years old. Id. at 1305.15 Dr. Schneider also indicated that he
    spoke with Housman’s mother, Geneva; his father, Howard; his half-sister, Cheryl; and
    his half-brother, Russell. Id. at 1304.
    Dr. Schneider testified that his “findings indicate and support basically what you
    heard Cheryl testify to a few minutes ago, there are a number of negative environmental
    factors, abandonment, loss issues.        [Housman] was witness to family torture and
    violence.” Id. at 1307. He further stated that, when he first met Housman, he “idolized
    his dad” and “didn’t want anything negative said about his father”; however, Housman
    eventually shared that he was “abused and harshly treated by his father.” Id. at 1309.
    15   Housman was 24 years old at the time of the crime.
    [J-58AB-2019] - 33
    Dr. Schneider also noted that Housman’s mother, Geneva, described Housman’s father
    as “crazy.” Id.
    With respect to his behavior in school and his academic performance, Dr.
    Schneider stated that Housman:
    did not fare well there. C’s, D’s, E’s. That is the bad news.
    The good news is that there is no evidence I got of any
    expulsions or suspensions or detentions. There is no report I
    have of his acting out in an aggressive way. He wasn’t
    reported to be fighting with other kids.
    He had learning problems. There is no question about
    that. He has no significant work history. He can’t make it in
    the world of work. He has had menial jobs. And in terms of
    his intelligence, he is average to below average. I can’t find
    any reason in terms of his intellectual ability that he couldn’t
    succeed in school except for this attention deficit disorder, and
    his inability to form positive relationships with others.
    Id. at 1310.
    When asked about the results of the psychological tests he gave Housman, Dr.
    Schneider explained that Housman presented as dependent, socially anxious, and self-
    demeaning; that he “tends to lack initiative”; that he is insecure and has dependency
    needs toward females; that he is fearful of being rejected by others; and that he needs
    reassurance, support, and direction. Id. at 1310-11. He also opined that Housman had
    attention deficit disorder, id. at 1310, and indicated that, if he had seen Housman when
    Housman was younger, he would have diagnosed him with an attachment disorder, which
    he defined as a “profound disturbance in social relatedness.” Id. at 1313. Dr. Schneider
    reiterated that, in reviewing Housman’s background, he did not find a history of acting out
    in a violent, hostile, aggressive, or abusive manner toward others. Id. at 1308, 1312.
    Somewhat inconsistently, however, Dr. Schneider later testified that Housman was
    diagnosed “as having a conduct disorder. That is because he acted out as an adolescent
    and resulted in his being hospitalized in Spartanburg, South Carolina.” Id. at 1315.
    [J-58AB-2019] - 34
    In discussing Housman’s hospitalization, Dr. Schneider simply stated: “He was
    hospitalized. He responded to that hospitalization. Unfortunately it was only about three
    weeks. But the records reviewed indicated that he did well for a short period of time after
    he was released. But there was no follow-up treatment. There was no treatment in the
    school.” Id. at 1309.
    Finally, Housman took the stand, and asked the jury to “allow [him] to live in prison
    so [he] can correspond more with Mr. Collins.” Id. at 1282. When asked by his counsel
    what his position was with respect to the jury’s verdict, Housman responded: “My opinion
    is this, I think the verdict that the ladies and gentlemen here [gave] was fair and just due
    to the heinous act that was done.” Id. at 1281. The entire presentation of mitigation
    evidence comprises 36 pages of the transcript.
    Next, we consider the mitigation evidence presented at Housman’s PCRA hearing.
    Housman presented, inter alia, the testimony of Kathleen Kaib, an investigator and
    mitigation specialist with the Federal Public Defender’s Office.16 Kaib stated that she met
    with Housman numerous times, reviewed all of his medical and school records, and
    conducted interviews with Housman’s family. Kaib explained that, when he was born,
    Housman lived with his mother, Geneva; his father, Howard; and his three half-siblings.
    Kaib noted that Housman’s father, Howard, described Housman’s mother Geneva as “a
    drunk,” who was “always with different men.” PCRA Hearing, 5/22/17, at 397. Kaib
    explained that Geneva was afraid of Howard because, in addition to physically abusing
    the children, he abused her as well. When Housman was nearly four years old, his half-
    sister Cheryl told their mother that Howard was sexually abusing her. Geneva took
    Housman’s three half-siblings out of the house, but left Housman with his father.
    16As several of the witnesses who testified at the PCRA hearing refer to or rely on the
    reports of other witnesses, for clarity, in some instances we discuss the testimony out of
    order.
    [J-58AB-2019] - 35
    Approximately one year later, Geneva kidnapped Housman and sent him and Cheryl to
    Virginia to live with their aunt and uncle, Geneva’s sister and brother-in-law. After their
    uncle began to sexually abuse Cheryl, Cheryl begged her mother to send her and
    Housman to their maternal grandfather’s house, which Geneva did. Id. at 189-90. Cheryl
    and Housman lived with their grandfather for less than a year before he had a stroke and
    died. Id. at 190. Cheryl and Housman then moved back into a home with Geneva and
    her paramour, where Housman stayed until he was almost ten, at which time he moved
    in with Howard and Howard’s wife, Doris. When Housman showed up at his father’s
    home, he apparently was filthy, lacked basic hygiene skills and manners, and his clothes
    were ragged. Id. at 397. One day when Housman was 11 years old, he came home to
    find Doris in the bathtub after she had attempted to commit suicide.          Doris attempted
    suicide a second time when Housman was 14 years old. Housman remained with his
    father and stepmother until he was approximately 16 years old, and then returned to live
    with his mother and her boyfriend for another year. At age 17, Housman again returned
    to the home of his father and stepmother. Id. at 395-96.
    Kaib testified that Housman reported that he had been sexually abused by his
    stepmother Doris’s cousin’s son; Doris confirmed this. Id. at 392-93. Kaib noted that
    Housman also told her that he had been physically abused by both his father and Doris,
    and Doris described that abuse in an affidavit, which stated, in part:
    9. Sometimes I had to beat Bill [Housman] because of his
    behavior. I remember one time I was so angry at Bill that I
    took out a metal yardstick and I beat him til the stick was bent
    double. I didn’t like to do it, but you have to discipline children
    or they won’t listen and learn. That’s how I learned. My daddy
    would beat me with hickory sticks until my legs were raw when
    I did something wrong.
    ***
    15. When Bill got to Greenville Tech he started skipping
    school all the time. I would drop him off but he wouldn’t even
    go to class. When his daddy found out about him not going
    [J-58AB-2019] - 36
    to school he got crazy angry. Howard told me to leave for a
    bit and when I returned Bill had the imprint of a six pack cooler
    where his daddy had whopped him upside the head as
    punishment. Bill was dazed and sick from the beating, but he
    didn’t go back to school.
    Affidavit of Doris Housman, 4/23/13, at 2-3 (PCRA Hearing Exhibit 12). Doris also
    indicated that, when Housman was in his late teens, he moved to Virginia to stay with an
    older half-brother, Lee, who reportedly “regularly beat” him, and on one occasion “beat
    the living slip out of [him].” Id. at 3.
    Cheryl, who had testified at Housman’s penalty trial, also testified at the PCRA
    hearing, but in greater detail. She testified that Housman’s father, Howard, who was
    referred to by the nickname “Crazy” because of the “crazy” and “mean, awful things” he
    did to her and her siblings, had fallen off a building and had a steel plate in his head. N.T.
    PCRA Hearing, 5/22/17, at 178.             She described that Howard made her put “half moon
    ice trays” in her vagina until she bled, laughed when she cried because of the pain, and
    poured buckets of water over her head. Id. at 179. She also stated that, in the winter,
    Howard would lock her outside while she was undressed and make her run around the
    outside of their trailer, and that he would hang her upside down with her head in the toilet.
    Id. She explained that, if she didn’t eat her dinner, she would have to stand in the corner
    on one foot until it was time to go to bed. Id. at 179-80. According to Cheryl, the children
    were not allowed to eat food from the refrigerator, and Howard counted the slices of lunch
    meat every day; if one was missing, the children were punished. Id. at 180-81. Cheryl
    recounted the same instance that she described at Housman’s penalty hearing, wherein
    on one occasion, Howard repeatedly kicked her brother Russell in his groin as he lay on
    the floor.
    Cheryl stated that, initially, she did not report the abuse to her mother because
    Howard threatened to kill Geneva. Id. at 182. Cheryl also described an incident where
    Howard shoved her mother so hard that her mother broke her ankle and had to go to the
    [J-58AB-2019] - 37
    hospital. Id. at 182-83. Cheryl testified that, because her mother worked multiple jobs,
    Cheryl was responsible for taking care of Housman, including feeding, bathing, and
    dressing him, playing with him, and putting him to bed. Id. at 184. She also described
    that she attempted to run away, once when she was in first grade, and again when she
    was in fifth or sixth grade. Id. at 185-87.
    Housman’s mother, Geneva, also testified at the PCRA hearing, corroborating
    much of Cheryl’s testimony.        She stated that her pregnancy with Housman was
    unplanned, and that she returned to work approximately six weeks after giving birth to
    him, leaving him in the care of seven-year-old Cheryl and Howard. She also stated that
    Howard was so violent that she once pointed a gun at him, an occurrence that Housman
    witnessed. Id. at 208-11. Geneva stated in her affidavit that she thought Cheryl had told
    her when Housman’s trial was being conducted, but that she never received any
    paperwork, never spoke with anyone, and was never visited by anyone working on his
    case. Affidavit of Geneva Housman, 4/3/13 (PCRA Hearing Exhibit 11), at 4.
    In terms of expert testimony, Housman presented, inter alia, the testimony of Dr.
    Carol Armstrong, a neuropsychologist who evaluated Housman while he was in prison.
    Dr. Armstrong testified that the tests she administered to Housman revealed that he
    suffers from “executive dysfunction and memory impairment . . . typical of someone with
    very severe ADHD [(Attention-Deficit/Hyperactivity Disorder)] effects.”      N.T. PCRA
    Hearing, 5/23/17, at 238. She also stated that she found mild impairment in several areas,
    including multitasking, social reasoning and judgment, and practical reasoning. Id. at
    239. Dr. Armstrong noted that she reviewed school records, medical records, reports,
    affidavits, notes of testimony, and other evidence that was presented at both the penalty
    trial and at the PCRA hearing, and she observed several red flags and risk factors for
    brain dysfunction and abnormal brain development. In particular, she noted the following
    [J-58AB-2019] - 38
    factors, all of which were contained in records from the Spartanburg Mental Health Clinic,
    where Housman received outpatient psychological and psychiatric treatment from 1989
    to 1992: outpatient psychological treatment for a period of 2½ years; a referral for inpatient
    psychological treatment; a recommendation for family therapy, and the parents’ refusal
    to comply with that recommendation; a recommendation for placement outside the home;
    a notation that Housman’s mother drank a lot; a notation that Housman had significant
    losses and disruptions in his early life, and poor attachment as a child and in his adult life;
    exposure to family violence as a child, including violence with a gun; physical punishment
    by his father with a horse harness; and two suicide attempts by his stepmother, with whom
    he lived at the time. Id. at 267-70. Dr. Armstrong also referenced a notation in the records
    from the Spartanburg Mental Health Clinic that Howard had reported that he came home
    from work one day when Housman was a year old and found a note from Geneva
    indicating that she “taken off” to drink and be with other men, and that Housman did not
    see Geneva again until he was in kindergarten and Geneva picked him up from school
    and sent him with Cheryl to live with their aunt and uncle. Id. at 267; PCRA Hearing
    Exhibit 14, at 31-32.
    Housman also presented the testimony of Dr. John Warren, a forensic
    psychologist, who was retained to review the mitigation evidence presented at Housman’s
    sentencing hearing, as well as the records from Housman’s outpatient therapy. Dr.
    Warren met with Housman on two occasions. Dr. Warren opined that the chaos and
    neglect suffered by Housman as a child likely resulted in his anxiousness, depression,
    impulsivity, and other problems. Id. at 122. Dr. Warren further noted that, although the
    psychologist at the Spartanburg Mental Health Clinic recommended residential care for
    Housman so that he would have stability in his life, Housman’s father and stepmother
    [J-58AB-2019] - 39
    refused to act on that recommendation. Indeed, the physician’s service notes for one of
    Housman’s outpatient appointments read as follows:
    This boy was accompanied by his step-mother who is
    obviously very angry and immediately started telling about all
    the problems that he had caused. He has been expelled from
    school because of stealing a coat belonging to another child.
    The step-mother started telling about that and about how he
    has ruined their marriage. He cringed during much of this time
    and obviously was very uncomfortable. He spoke up a time
    or two saying that she is a perfectionist and he is never able
    to please her. She seemed to have no insight and no
    understanding. I told her I felt that probably they needed
    family therapy, but she said that all the changes were up to
    William, the son and that she and his father were not going to
    make any changes because they had already done all they
    were going to do. I really feel that some placement outside
    the home would probably be best for this child.
    PCRA Hearing Exhibit 13 at 11.      Dr. Warren also noted that the psychologist had
    recommended family therapy, but Housman’s father and stepmother refused that. N.T.
    PCRA Hearing, 5/23/17, at 126.
    Based on his review of the neuropsychological evaluation performed by Dr.
    Armstrong, Dr. Warren opined that Housman suffered from neurocognitive impairment;
    severe ADHD; Generalized Anxiety Disorder with elements of Post-Traumatic Stress
    Disorder; Dysthymic Disorder (chronic depression); and Developmental Reading
    Disorder. Id. at 130-35.
    Finally, Dr. Lenora Petty, a child psychiatrist and the Medical Director in the
    Adolescent Unit at Spartanburg Regional Medical Center, where Housman received
    inpatient treatment in 1991, testified that, upon Housman’s discharge, she recommended
    that he go into a residential treatment facility for long-term treatment, but that her advice
    was not followed by Housman’s family.         Id. at 255-56.    She recounted that, upon
    Housman’s release from inpatient treatment, she “felt that his prognosis was poor for the
    future.” Id. at 256.
    [J-58AB-2019] - 40
    As noted, the PCRA court found Housman was entitled to relief on his
    ineffectiveness claim. In support thereof, the court opined:
    Here, the evidence at the evidentiary hearing
    demonstrated that Counsel’s penalty phase investigation was
    unreasonable. Specifically, Counsel had information on
    readily available mental health records from the Spartanburg
    Mental Health Clinic. He failed to contact the Mental Health
    Clinic, obtain those records and investigate into them further.
    Counsel erroneously assumed that the records from the
    Mental Health Clinic would be the same as those he would
    obtain from the Spartanburg Regional Medical Center; he
    believed the two entities were [one and] the same. Despite
    the vast differences between the names, he chose to only look
    into one of the two. He only obtained medical records from
    the Regional Medical Center, a hospital. He never obtained
    the mental health records from the Mental Health Clinic.
    However, had he done even a cursory search of the records
    he did obtain from the Regional Medical Center, a search of
    the differently named Mental Health Clinic, he would have had
    observations from Doctors Hope and Petty who treated
    [Housman] for psychiatric disorders as an adolescent, and
    who had knowledge of [Housman’s] records at the Mental
    Health Clinic. He also would have had evidence of severe
    mental health diagnoses. Moreover, he would have had the
    treating     doctors’   sense      of    [Housman’s]      family
    background/home-life at that time. At the PCRA evidentiary
    hearing, Trial Counsel conceded that he had no reasonable
    basis for not investigating into both the Regional Medical
    Center and the Mental Health Clinic, and that he did not have
    any reasonable basis for failing to obtain the complete records
    therefrom.
    ***
    If Counsel would have presented the missing records
    at trial, the jury would have seen that [Housman’s] parents
    abandoned him to whatever mental instability that he had
    when he was young and vulnerable. We believe that the
    argument would reasonably be that he was doomed from the
    start. The Spartanburg doctors’ diagnosis, prescription for
    treatment and prognosis for the adolescent [Housman] all fell
    on deaf ears. [Housman’s] parents felt that he was the
    problem and that he needed to change, but they did not offer
    any support to help the child change or handle his problems.
    They washed their hands of him. [Housman] was a child, he
    [J-58AB-2019] - 41
    could not provide for his own well-being. His parents had a
    duty to care for his needs, his medical and mental health, to
    provide for his well-being, but they refused to help him. They
    refused to get him necessary treatment. [Housman] fell off
    the map treatment-wise until the actions that led [to] this case.
    As an adolescent, he had a poor prognosis for the future; and
    that prognosis proved prophetic, all because his parents gave
    up on him. We believe that this insight into [Housman’s]
    background could possibly have swayed a juror who was
    deciding whether death is the warranted punishment against
    the presumption of life. This was exacerbated by the fact that
    also within the Spartanburg Mental Health Clinic records were
    more severe diagnoses than what Doctor Schneider had
    reviewed and the jury had heard.
    PCRA Court Opinion, 2/2/18, at 12-14 (footnote omitted).          Indeed, the PCRA court
    characterized trial counsel’s investigation into Appellant’s mitigation defense as
    “devastatingly poor.” Id. at 15.
    Before us, the Commonwealth challenges the PCRA court’s grant of a new
    penalty-phase trial. First, the Commonwealth contends that the PCRA court erred in
    failing to engage in a comparison of the evidence presented at trial and the evidence
    presented at the PCRA hearing, as required by Commonwealth v. Gibson, 
    951 A.2d 1110
    ,
    1121-22 (Pa. 2008) (noting that resolution of cases involving claims of ineffective
    assistance of counsel for failing to investigate, develop, and present mitigating evidence
    in capital cases requires, especially in close cases, “a developed post-conviction record
    accompanied by specific factual findings and legal conclusions”).
    The Commonwealth further asserts that the PCRA court erred in concluding that
    Housman’s ineffectiveness claim had merit, that counsel was ineffective, and that
    Housman demonstrated prejudice. Specifically, the Commonwealth argues that, while
    Dr. Schneider did not possess Housman’s patient records from the Spartanburg Mental
    Health Clinic, the information contained in those records was not “distinguishable” from
    the information contained in the records, interviews, and other documents that Dr.
    [J-58AB-2019] - 42
    Schneider did have, and which was presented at the penalty phase of trial.
    Commonwealth’s Brief at 68. Observing that the PCRA court, in its opinion, cited to Dr.
    Warren’s testimony at the PCRA hearing, the Commonwealth states that the “gist” of Dr.
    Warren’s “bland testimony” was that:
    Mr. Hope and Dr. Petty were recommending residential care
    for [Housman]; that the family considered it but then declined
    to pursue it; the family therapy referenced in the notes did not
    appear to be true family therapy; the defendant had anxiety
    and apprehension; he was bullied, acted as a class clown,
    cried a lot, sought attention, and that the mother had alcohol
    issues. It is outrageous to say Dr. Schneider did not have this
    information from the Hospital records, interviews, and other
    documents he had; the guts of all of this supposedly “new”
    information was provided in his expert testimony at
    sentencing and through other witnesses who spoke.
    
    Id. at 68
     (emphasis original).
    The Commonwealth also avers that Dr. Petty’s testimony, to which the PCRA court
    also referred, tracked the reports by Dr. Petty that were contained in the records from the
    Spartanburg Regional Medical Center that Dr. Schneider reviewed and relied upon. 
    Id. at 69
    . The Commonwealth contends that, on cross-examination, “Dr. Petty unwittingly
    affirmed every conclusion Dr. Schneider gave at trial,” and suggests that Housman’s
    “cumulative and objectively unimpressive PCRA presentation demonstrates an error
    below.” 
    Id.
     Based on its argument that the records from the Spartanburg Mental Health
    Clinic were cumulative of evidence presented at Housman’s penalty trial, the
    Commonwealth contends Housman’s underlying ineffectiveness claim lacks merit. 
    Id. at 79
    .
    The Commonwealth further maintains that the PCRA court erred in finding that trial
    counsel had no reasonable basis for failing to obtain Housman’s medical records from
    the Spartanburg Mental Health Clinic, in that counsel properly relied on Dr. Schneider,
    who knew the records existed but “apparently deemed [them] unnecessary or
    [J-58AB-2019] - 43
    cumulative.”   
    Id. at 78
    .   Finally, the Commonwealth argues that Housman failed to
    demonstrate prejudice because “[t]he sentencing case put on here was even more
    involved than that in [Commonwealth v. Daniels, 
    104 A.3d 267
     (Pa. 2014)],17 and the
    ‘additional’ mitigation did nothing to alter the concise yet thorough presentation made at
    trial.” Commonwealth’s Brief at 83.
    After careful review, we find the PCRA court’s determination that trial counsel’s
    investigation into and presentation of mitigation evidence at Housman’s penalty trial
    constituted ineffectiveness to be supported by the record. Initially, and as detailed above,
    the mitigation evidence presented during the penalty phase of Housman’s trial pales in
    comparison to the mitigation evidence that was presented at his PCRA hearing. In light
    of the disparity between the mitigation evidence which was presented, and which could
    have been presented, we have little difficulty in concluding that Housman’s underlying
    ineffectiveness claim has merit.
    We next review the PCRA court’s finding that there was no reasonable basis for
    trial counsel’s failure to obtain Housman’s mental health records from the Spartanburg
    Mental Health Clinic, and to present at trial the mitigation evidence presented at the PCRA
    hearing. At Housman’s PCRA hearing, trial counsel Hubert Gilroy testified that he was
    court-appointed counsel for Housman, and that he had previously served as counsel in
    two capital appeals. N.T. PCRA Hearing, 5/22/17, at 5. When asked if anyone assisted
    17The Commonwealth quotes the following excerpt from Daniels:
    Given the case in mitigation already presented to the jury
    emphasizing both Daniels’s troubled childhood as well as
    positive attributes and his religious conversion, and the
    substantial evidence in aggravation, we do not believe that the
    marginal additional mitigation evidence produced at the
    PCRA hearing was sufficient to establish a reasonable
    probability that the result of the penalty phase would have
    been different.
    Daniels, 104 A.3d at 310.
    [J-58AB-2019] - 44
    him in preparing the mitigation case, Attorney Gilroy stated that he had two law clerks
    from Dickinson School of Law working with him, and he had hired a private investigator
    to aid in contacting potential witnesses.      Additionally, he hired Dr. Schneider from
    Schneider Guidance Associates “to aid in providing mitigation and testifying with respect
    to mitigating factors.” Id. at 41. Attorney Gilroy stated that he hired Dr. Schneider
    because he “believe[d] he worked with me in other prior criminal cases. I know he worked
    with me in other prior civil cases.” Id. at 43. Attorney Gilroy testified that Dr. Schneider
    had experience in doing evaluations in child custody cases, but that he “doubted” that he
    had any training in forensic psychology. Id. When asked if that lack of training was a
    concern, Attorney Gilroy replied, “It wasn’t at the time. I thought he -- based upon the
    work he did and the interaction and the limited stuff we had to deal with, I thought he did
    a good, fair job.” Id.
    Attorney Gilroy explained that he was in charge of collecting records for the
    mitigation case, and that he spoke with some of the witnesses himself. Id. at 44. He
    stated that, after Dr. Schneider met with Housman, Dr. Schneider provided Attorney
    Gilroy with a list of the records he wanted to review, and Attorney Gilroy requested them.
    Upon receiving them, Attorney Gilroy gave them to Dr. Schneider. Id. Although Attorney
    Gilroy conceded that he had received a letter from Dr. Schneider indicating that Housman
    had been in outpatient therapy with psychologist Steven Hope at the Spartanburg Mental
    Health Clinic, counsel apparently did not attempt to obtain those records. Id. at 48-50.
    When questioned about this, Attorney Gilroy responded that he requested the records
    that Dr. Schneider asked him to, but that he was unaware if they had obtained all of the
    necessary records because he “didn’t look at all of the records in the file.” Id. at 50. When
    asked if, upon receiving the records he obtained at the request of Dr. Schneider, he
    reviewed the records himself, Attorney Gilroy stated that he could not recall. Id. at 55.
    [J-58AB-2019] - 45
    Attorney Gilroy explained that, for purposes of looking for “potential mitigating evidence
    within the records,” he retained and relied on Dr. Schneider for that purpose. Id. at 55-
    56. When asked specifically if he had a strategic reason for failing to obtain the records
    from the Spartanburg Mental Health Clinic, Attorney Gilroy stated that he did not. Id. at
    57.
    With regard to witnesses who could have offered information or testified regarding
    Housman’s mitigation case, Attorney Gilroy explained that he relied on Housman and Dr.
    Schneider “to create a witness list.” Id. at 62. When asked if he had a strategic reason
    for failing to contact “potential nonfamily witnesses such as service providers whose
    names appeared or might have appeared in some of the records” that he received − for
    example Dr. Petty − to provide mitigation evidence, Attorney Gilroy replied: “Certainly not
    strategic. I was relying upon Dr. Schneider, him looking at the records. If he needed
    something else or if he needed to speak with somebody who actually treated Mr.
    Housman, I was relying upon him to make that determination.” Id. at 70-71. Attorney
    Gilroy likewise testified that he did not have a strategic reason for failing to speak with, or
    have Dr. Schneider speak with Steven Hope, the psychologist who treated Housman at
    the Spartanburg Mental Health Clinic. Id. at 72.
    When asked if he had considered employing a mitigation specialist, Attorney Gilroy
    indicated that, while he “didn’t think Dr. Schneider was, quote, a mitigation specialist,
    closed quote,” he “thought Dr. Schneider with his training could provide mitigating factors
    that would assist us.” Id. at 81. When asked why he chose to use Dr. Schneider in the
    presentation of Housman’s mitigation case, Attorney Gilroy stated:
    I like to use local people because I have jurors from
    Cumberland County. And if they hear the local person who
    they trust and give credence to, they’re usually better off than
    -- than bringing in people from outside the area. That’s
    assuming you get somebody locally that can do the job. I
    [J-58AB-2019] - 46
    thought he could do a -- the work we needed to have done in
    this case.
    Id. at 106.
    We conclude that Attorney Gilroy had no reasonable basis for failing to obtain
    Housman’s records from his outpatient psychotherapy at the Spartanburg Mental Health
    Clinic, or for failing to present the evidence that was contained in the records from the
    Spartanburg Regional Medical Center, which he did have. This Court recognizes that, in
    addressing claims that counsel was ineffective for failing to present mitigation evidence,
    a court may not “conflate the roles and professional obligations of experts and lawyers by
    demanding that counsel spot ‘red flags’ when the mental health expert they hired failed
    to do so.” Commonwealth v. Brown, 
    196 A.3d 130
    , at 154 (Pa. 2018). Here, however,
    Attorney Gilroy essentially relied on Dr. Schneider, whom he knew was not a forensic
    psychologist or psychiatrist, not only to act as a mental health expert, but essentially to
    act as co-counsel. Attorney Gilroy admitted that he relied on Dr. Schneider to determine
    which records to request, and which witnesses to interview. He further admitted that he
    was not sure whether he, himself, reviewed the records that he did obtain. Even a
    superficial review of those records would have alerted Attorney Gilroy to the fact that there
    were additional records and witnesses that may have provided valuable mitigation
    evidence. An attorney cannot abdicate his own responsibility by hiring a mental health
    expert, or any other expert for that matter. While a mental health expert reasonably may
    be expected to spot red flags regarding certain aspects of a defendant’s mental state, the
    expert is not an attorney, and should not be expected to make decisions as to whether to
    obtain records, such as school and hospital records, that are clearly relevant to a
    defendant’s mitigation case, or to decide what witnesses to interview. Thus, we conclude
    that trial counsel’s performance during the penalty phase of trial was not based upon a
    [J-58AB-2019] - 47
    reasonable strategy, but resulted from inattention to the mitigation evidence that was
    readily available.
    Finally, we must determine whether the record supports the PCRA court’s finding
    that Housman was prejudiced by trial counsel’s failures. We conclude that it does.    The
    Strickland test for prejudice requires a showing of a reasonable probability that the
    outcome of the penalty proceeding − here, the unanimous verdict of death − would have
    been different. Daniels, 104 A.3d at 297. In assessing Strickland prejudice,
    the question is whether the defendant has shown a
    reasonable probability that, had the mitigation evidence
    adduced at the PCRA hearing . . . been presented at the
    penalty phase, the outcome of the proceedings would have
    been different because at least one juror would have found
    that the mitigating circumstances collectively outweighed (or
    were as weighty as) the aggravating circumstances, or to
    convince a juror to find that the overall quality of the case in
    mitigation warranted a sentence of life in prison.
    Id. at 303-04. Of course, “a penalty verdict only sufficiently supported by the record is
    more likely to have been affected by a deficiency in counsel than one with overwhelming
    record support.” Id. at 297.
    Although Dr. Schneider testified at the penalty hearing that Housman was subject
    to “a number of negative environmental factors, abandonment, loss issues,” and witness
    to “family torture and violence,” he did not describe any specific incidents in support of
    that vague statement. N.T. Trial, 11/2/01, at 1307. Dr. Schneider further testified that,
    while Housman’s grades were poor, he did not receive any expulsions, suspensions, or
    detentions, and did not appear to act out aggressively. Id. at 1310. He described
    Housman as having average to below average intelligence; being dependent, insecure,
    socially anxious, and self-demeaning; and opined that he suffered from ADHD. Most
    significantly, with respect to Housman’s inpatient treatment at Spartanburg Regional
    Medical Center, Dr. Schneider briefly stated: “He was hospitalized. He responded to that
    [J-58AB-2019] - 48
    hospitalization. Unfortunately it was only about three weeks. But the records reviewed
    indicated that he did well for a short period of time after he was released. But there was
    no follow-up treatment. There was no treatment in the school.” Id. at 1309.
    However, had trial counsel presented at trial the available evidence that was
    described by Kaib at the PCRA hearing, including the testimony of Housman’s stepmother
    Doris, the jury would have learned that Housman was not just treated “harshly” by his
    father, but that he was physically abused by a number of people in his life, including his
    father, stepmother, and older half-brother. The jury also would have had a more vivid
    picture of the violence and abuse that occurred in the household from the time Housman
    was born.
    Had trial counsel reviewed Dr. Petty’s notes from Housman’s inpatient treatment
    at the Spartanburg Regional Medical Center, the jury would have been privy to a more in-
    depth − and, indeed, more accurate − description of Housman’s emotional and behavioral
    history than suggested by Dr. Schneider’s brief testimony. For example, Dr. Petty’s intake
    notes, dated May 27, 1991, provided: “[t]he precipitating events for this hospitalization are
    increasing irritability, increasing impulsivity, explosive behavior, increasing crying.
    [Housman] has had many of these behaviors for some time; however, has been having
    increasing problems particularly in the past week to two weeks, where he has been ‘losing
    it’ and has become explosive.” PCRA Hearing Exhibit 14 at 8. Dr. Petty further noted
    that there was an altercation between Housman and his father, and that Housman had
    “been somewhat cruel to his dog.” Id. This evidence directly contradicts Dr. Schneider’s
    testimony that Housman was not aggressive. Moreover, the intake notes specifically
    direct referral to Housman’s treatment records with Steven Hope at the Spartanburg
    Mental Health Clinic.
    [J-58AB-2019] - 49
    Physician notes from a psychological consultation performed by Dr. Luther Diehl
    on June 4, 1991, while Housman was receiving inpatient treatment, indicated, inter alia,
    that Housman appeared to be fairly anxious, socially withdrawn, and aloof, and felt
    alienated even from his family. Id. at 15. Dr. Diehl also opined that Housman had
    “significant learning problems”; “oppositional defiant disorder of adolescence, with anxiety
    features”; “developmental reading disorder”; and “mixed schizoid and paranoid
    personality features developing.” Id. at 16-17. These diagnoses are more than simply
    “cumulative” of Dr. Schneider’s testimony that Housman suffers from ADHD.
    Finally, in her discharge notes, dated June 20, 1991, Dr. Petty observed that
    Housman: “had a history of increasing irritability, impulsivity, explosive behavior,
    aggression, and stealing. Many of these behaviors had been long-standing, and his
    stealing and explosive behavior had increased over the past few months prior to
    admission. He actually did hit his father prior to admission.” Id. at 5. Dr. Petty further
    noted that Housman “showed tremendous amounts of anger in regards to various issues,
    mostly to do with his stepmother and/or biological mother. He became angry on several
    occasions, at one point to point where he felt he was ‘going to explode’; and never really
    required restraining, but found it very difficult to control his anger.” Id. Dr. Petty’s notes
    further recounted:
    It is quite evident from his behavior in hospital that [Housman]
    has a great deal of difficulty maintaining his anger, that he can
    become highly explosive, that he does not empathize very
    well with others and sees nothing wrong with his behavior. He
    is also fairly possessive . . . and has a very negative reaction
    to his biological mother. When in a fit of anger, he stated he
    wanted to kill her. . . . [Housman] seemed to improve
    somewhat in hospital, albeit in a highly structured setting. He
    never required restraints, although coming close on several
    occasions. His anger was quite evident, and was directed to
    various staff members as well as to others. He also was noted
    to have a tendency to be quite manipulative in his behaviors
    on the ward in regards to his interactions with peers and with
    [J-58AB-2019] - 50
    staff, and as noted above, he appears to have very little
    concern or empathy for others other than someone that he
    feels he needs to protect, and he protects them very fiercely.
    Id. at 6.
    Dr. Petty indicated that Housman had signs of attention deficit order, conduct
    disorder, and a “developing personality disorder, most likely antisocial in nature.” Id. at
    7.   Dr. Petty further opined that Housman “presents in such a way that his future,
    particularly with a combination of attention deficit disorder and conduct disorder, bode
    poorly in terms of prognosis.” Id. (emphasis added). In addition to individual therapy,
    Dr. Petty recommended family or group therapy to assist in controlling his anger. Id. Dr.
    Petty’s prognosis casts doubt on Dr. Schneider’s testimony that Housman “responded to”
    his hospitalization.
    Additionally, had trial counsel obtained Housman’s outpatient records from the
    Spartanburg Mental Health Clinic, the existence of which counsel testified that he was
    aware, see N.T. PCRA Hearing, 5/22/17, at 48-49, he could have presented the long-
    term observations and conclusions by Housman’s treating psychologist, Steven Hope,
    that: Housman felt responsible for his stepmother’s suicide attempt, PCRA Hearing
    Exhibit 13 at 14; Housman was greatly concerned about the relationship between his
    mother and his father and stepmother, fearing his mother would break up his father and
    his stepmother, id. at 15; Housman had multiple suspensions from school, id. at 19;
    Housman’s stepmother was very demanding and easily frustrated with her stepson, to
    the extent she often refused to participate in his treatment; id. at 25; Housman had
    engaged in a pattern of stealing and fighting, id. at 31; Housman’s father confessed to
    beating him with a horse harness because he suspected Housman stole it, id. at 39;
    Housman consistently felt unwanted and unloved, id. at 40; Housman felt guilty about his
    stepmother’s health issues, id. at 46; and Housman was anxious and disappointed. Id.
    at 53.
    [J-58AB-2019] - 51
    Moreover, had counsel obtained Housman’s medical records from the
    Spartanburg Mental Health Clinic, it is possible that he, or Dr. Schneider, would have
    observed the same red flags and risk factors for brain dysfunction and abnormal brain
    development that Dr. Armstrong saw in her review of the records. In light of all of the
    additional potential mitigation evidence described above, we reject the Commonwealth’s
    characterization of Housman’s PCRA evidence as “cumulative and objectively
    unimpressive.” Commonwealth’s Brief at 69.
    In the instant case, the jury found a single aggravating circumstance − a killing
    committed while in the perpetration of a felony, 42 Pa.C.S. § 9711(d)(6) − and two
    mitigating circumstances − a troubled childhood and acceptance of responsibility under
    the catch-all mitigator, 42 Pa.C.S. § 9711(e)(8).     Notably, however, Attorney Gilroy
    testified at Housman’s PCRA hearing that he had hoped to establish additional mitigating
    factors under Section 9711(e)(2) (defendant was under the influence of extreme
    emotional disturbance), and (e)(3) (capacity of the defendant to appreciate the criminality
    of his conduct or conform his conduct to the requirements of law was substantially
    impaired), but that, after reviewing Dr. Schneider’s written report, he “didn’t feel Dr.
    Schneider was going to be able to testify on some of those areas. Although I asked him
    to examine them and he examined them and he said that he doesn’t believe he could
    give an opinion favorable to our -- my client on that.” N.T. PCRA Hearing, 5/22/17, at 77.
    In terms of deciding whether Housman has established that there is a reasonable
    probability that, had the mitigation evidence produced at his PCRA hearing been
    presented at the penalty phase, the outcome of the proceedings would have been
    different because at least one juror would have found mitigating circumstances that
    collectively outweighed the single aggravating circumstance, we find this case to be
    similar to Tharp, supra. Therein, as in the instant case, the Commonwealth presented a
    [J-58AB-2019] - 52
    single aggravating circumstance; in Tharp, that circumstance was a victim was under the
    age of twelve, see 42 Pa.C.S. § 9711(d)(16). While the jury in the instant case found two
    mitigating circumstances, both of which fall under the catch-all mitigator, the jury in Tharp
    found two separate mitigators − that the defendant had no significant history of prior
    criminal convictions, id. § 9711(e)(1), and the catchall mitigator, id. § 9711(e)(8). Tharp,
    101 A.3d at 745.
    In concluding that the new evidence of mitigation that was presented at Tharp’s
    PCRA hearing, which concerned her mental health, supported two additional mitigating
    circumstances, including that the defendant was under the influence of extreme emotional
    disturbance, and that the capacity of the defendant to appreciate the criminality of her
    conduct or conform her conduct to the requirements of law was substantially impaired −
    the very same mitigators Attorney Gilroy testified he would have liked to submit to the jury
    in the instant case − we stated:
    [T]he new evidence of mitigation presented at the PCRA
    hearing that related to Appellant's mental health supported
    two additional mitigating circumstances for which the defense
    did not present any evidence at trial−that Appellant was under
    the influence of extreme mental and emotional disturbance
    pursuant to Section 9711(e)(2), and that her capacity to
    conform her conduct to the requirements of law was
    substantially impaired pursuant to Section 9711(e)(3). As
    noted, Appellant demonstrated that at the time of trial, counsel
    was in possession of a pretrial competency report drafted by
    Dr. Moran, which indicated that Appellant had only borderline
    intellectual functioning, and suffered from several mental
    impairments. As illustrated in detail, supra, Appellant
    presented at the PCRA evidentiary hearing testimony from
    additional mental health experts who had reviewed
    Appellant's background and the extent of her criminal
    behavior and opined that at the time of the murder, Appellant
    was under the influence of extreme mental and emotional
    disturbance and her capacity to conform her conduct to the
    requirements of the law was substantially impaired.
    [J-58AB-2019] - 53
    We cannot say that had such mental health mitigating
    evidence been presented, the jury would still have arrived at
    a death verdict. See Commonwealth v. Keaton, 
    615 Pa. 675
    ,
    
    45 A.3d 1050
    , 1093 (2012) (holding that trial counsel was
    ineffective for failing to investigate and present evidence of
    neurological impairment and psychological disorders because
    such evidence would have supported the (e)(2), (e)(3) and
    (e)(8) mitigators, and there is a reasonable probability that at
    least one juror may have struck a different balance had such
    evidence been presented); Commonwealth v. Martin, 
    607 Pa. 165
    , 
    5 A.3d 177
    , 203–04 (2010) (holding that trial counsel was
    ineffective for failing to present during the penalty phase
    available mental health mitigation evidence supporting two
    additional statutory mitigators not proffered by the defense);
    Commonwealth v. Zook, 
    585 Pa. 11
    , 
    887 A.2d 1218
    , 1235
    (2005) (holding that the defendant was prejudiced by trial
    counsel's [failure] to present available evidence of defendant's
    head injury and resulting brain damage that were available at
    the time of trial to establish two additional mitigating factors
    that were not presented during the penalty phase).
    Tharp, 101 A.3d at 773-74.
    We further explained in Tharp that the PCRA court's and the Commonwealth's
    reliance on our prior decisions in Gibson and Lesko, where we held that no prejudice
    resulted from trial counsel's failure to present mitigation evidence due to the significant
    amount of aggravating evidence presented, was misplaced:
    In relying on Gibson and Lesko, both the PCRA court and the
    Commonwealth appear to conflate the evidence of Appellant's
    guilt, which is overwhelming, with the evidence of statutory
    aggravating circumstances presented during the penalty
    phase, which consists of a single, albeit weighty, aggravating
    factor of the age of the victim.
    In Gibson, the Commonwealth presented evidence of and the
    jury found the statutory aggravating circumstances of multiple
    murders, 42 Pa.C.S. § 9711(d)(11), creating a grave risk to
    others, id. § 9711(d)(7), and commission of the murders
    during the perpetration of a felony, id. § 9711(d)(6). Likewise,
    in Lesko, the Commonwealth presented evidence of and the
    jury found the statutory aggravating circumstances of multiple
    murders, a significant history of violent felony convictions, id.
    § 9711(d)(9), and the killing of a police officer. Id. § 9711(d)
    [J-58AB-2019] - 54
    (1). Here, as noted, the single aggravating factor presented to
    the jury by stipulation was that the victim was a child under
    the age of twelve. Id. § 9711(d)(16). While this single
    aggravating circumstance is undoubtedly grave, we cannot
    conclude that it equates with the overwhelming evidence of
    statutory aggravating factors found by the juries in Gibson and
    Lesko. See Commonwealth v. Malloy, 856 A.2d at 789
    (holding that the defendant was prejudiced by trial counsel's
    failure to present mitigating evidence, and emphasizing that
    the Commonwealth pursued a single aggravating
    circumstance). In assessing prejudice, that single aggravating
    circumstance must be contrasted with the two mitigating
    circumstances actually presented as well as the mitigating
    circumstances that trial counsel should have pursued. Under
    the circumstances presented, we conclude that there is a
    reasonable probability that at least one juror at Appellant's trial
    may have struck a different balance had such mental health
    mitigation evidence been presented.
    Tharp, 101 A.3d at 774.
    Herein, we likewise cannot say that, had trial counsel adequately reviewed the
    records from Housman’s inpatient treatment at the Spartanburg Regional Medical Center,
    and/or had counsel obtained and reviewed, or had Dr. Schneider review, the records from
    Housman’s outpatient treatment at the Spartanburg Mental Health Clinic, and offered at
    Housman’s penalty trial that evidence, and the evidence derived therefrom that was
    presented at the PCRA hearing, the jury would still have returned a death sentence. The
    novel evidence presented at the PCRA hearing, including the more detailed account of
    Housman’s abusive upbringing and his history of emotional, social, and psychological
    problems, as well as the serious diagnoses and poor prognoses by his treating psychiatric
    providers, would have supported Attorney Gilroy’s submission of, and potentially at least
    one juror’s finding of, two additional mitigating circumstances. At the very least, this same
    evidence may have resulted in at least one juror finding that the mitigating circumstances
    under the catch-all mitigator collectively outweighed, or were as weighty as, the single
    aggravating circumstance, such that the penalty verdict would have been different.
    [J-58AB-2019] - 55
    Accordingly, for the foregoing reasons, and mindful of the deference that must be
    afforded to the findings of the post-conviction court, which hears evidence and passes on
    the credibility of witnesses, we conclude that the record supports the PCRA court’s
    determination that Housman’s claim that trial counsel was ineffective for failing to
    investigate and present mitigating evidence at his penalty phase had arguable merit; that
    trial counsel’s performance lacked a reasonable basis; and that Housman suffered
    prejudice as a result of counsel’s ineffectiveness.       Accordingly, with respect to the
    Commonwealth’s appeal, we affirm the PCRA court’s grant of a new penalty trial.
    In light of our affirmance of the PCRA court’s grant of a new penalty trial on the
    basis of trial counsel’s ineffectiveness in failing to investigate and present mitigating
    evidence at Housman’s penalty phase, we need not address Housman’s remaining
    penalty-phase claims.18
    Order affirmed.
    Chief Justice Saylor and Justices Baer, Donohue, Dougherty, Wecht and Mundy
    join the opinion.
    18 Specifically, Housman also alleges that trial counsel was ineffective for: (1) failing to
    object to unconstitutional and unduly prejudicial victim impact testimony; (2) failing to
    properly raise and litigate his claim that his right to silence, due process, and confrontation
    were violated; (3) failing to seek a penalty-phase severance, thus depriving him of due
    process and the individualized sentencing determination to which he was entitled under
    the Eighth and Fourteenth Amendments to the United States Constitution; and (4) failing
    to object to the erroneous submission of the (d)(6) aggravating circumstance (killing
    committed during the perpetration of a felony) to the jury. Housman’s Brief at 79-87, 87-
    97, 127-133, 153-160.
    [J-58AB-2019] - 56