United States v. Allerheiligen ( 2000 )


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  •                                                                          F I L E D
    United States Court of Appeals
    Tenth Circuit
    UNITED STATES COURT OF APPEALS
    AUG 1 2000
    TENTH CIRCUIT
    PATRICK FISHER
    Clerk
    UNITED STATES OF AMERICA,
    Plaintiff-Appellee,                 Nos. 99-3144, 99-3154
    v.                                                D. Kan.
    MARK HENRY ALLERHEILIGEN,                      (D.C. No. 97-40090-01-DES)
    Defendant-Appellant.
    ORDER AND JUDGMENT          *
    Before BALDOCK , HENRY , and LUCERO , Circuit Judges.
    The appellant, Mark Henry Allerheiligen, entered a conditional plea of no
    contest to possession with intent to distribute marijuana in violation of 
    21 U.S.C. § 841
    (a)(1). The district court gave Mr. Allerheiligen safety valve credit and
    sentenced him to a term of imprisonment of 41 months.
    Mr. Allerheiligen appeals, asserting error in the following: (1) denial of his
    motion to suppress; (2) exclusion of videotape evidence that would allegedly
    *
    This order and judgment is not binding precedent, except under the
    doctrines of law of the case, res judicata, and collateral estoppel. The court
    generally disfavors the citation of orders and judgments; nevertheless, an order
    and judgment may be cited under the terms and conditions of 10th Cir. R. 36.3.
    depict wild marijuana growing in the same area from which the government
    seized cultivated marijuana plants over a year after the seizure; (3) exclusion of
    testimony from three proffered expert witnesses on the differences between
    marijuana grown for personal use versus distribution; (4) exclusion of expert
    testimony regarding Mr. Allerheiligen’s psychological and/or psychiatric
    condition; (5) denial of his motion to exclude testimony regarding evidence the
    government had seized but not preserved; and (6) breach of the plea agreement.
    We exercise jurisdiction pursuant to 
    28 U.S.C. § 1291
     and, for reasons discussed
    below, affirm Mr. Allerheiligen’s conviction and sentence.
    I. BACKGROUND
    On the morning of August 27, 1997, at the request of Marshall County
    Sheriff Kenneth Coggins, Special Agent David Christy of the Kansas Bureau of
    Investigation (KBI) flew over Mr. Allerheiligen’s farm property in a fixed-wing
    aircraft. Special Agent Larry Dixon and Sheriff Coggins were also present in the
    aircraft at that time.
    Mr. Allerheiligen’s property is located in a rural area in Marshall County,
    Kansas. During the fly-over, Agent Christy caught sight of what he believed to
    be several hundred cultivated marijuana plants in a clearing in the trees behind a
    -2-
    residence. Agent Christy also observed a two-story white house and five out
    buildings.
    From the aircraft, and using a Cannon T-50 camera with a 35 to 85mm
    lens, Agent Christy photographed the clearing containing what he believed to be
    marijuana plants and a pathway leading from the plants to a fence which
    contained a gate at the back of a barn. He also photographed the residence and
    out buildings.
    Two days later, using the open field doctrine, Agents Dixon and Sabel and
    Sheriff Coggins walked into the marijuana field and made the following
    observations: numerous marijuana plants had been broken off 10-12 inches
    above the ground; one plant had been pulled and had a grow cup (pot cup) still
    attached to the root system; a fairly new candy wrapper was found in the
    marijuana patch; there was a foot trail leading from the marijuana patch to a gate;
    and the marijuana patch was within a fenced-off area with barbed wire and other
    fence encasing it.
    On September 2, 1997, Agent Christy submitted an affidavit to the
    magistrate judge containing all of the aforementioned facts in support of an
    application for a warrant to search the property, including Mr. Allerheiligen’s
    residence, all out buildings, and any other structures with foot trails leading to or
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    from the marijuana field. Based on the information Agent Christy submitted, the
    magistrate judge issued the warrant.
    The warrant was executed the following day. Agents discovered marijuana
    in four different areas — three separate outdoor patches and an indoor marijuana
    grow room. The agents seized 782 marijuana plants from the patch north of Mr.
    Allerheiligen’s barn, 232 plants from the patch near a corn crib, 143 plants from
    the patch south of a marijuana grow shed, and 19 plants from the indoor grow
    room.
    The agents additionally seized 179 dead plants from one of the outdoor
    patches as evidence that Mr. Allerheiligen had “sexed” the plants by removing
    only the male plants and leaving the females.    The officers testified that the
    majority of plants seized contained peat pot matter within the root system, which
    is indicative of cultivated marijuana that is started in a peat pot and later
    transplanted to the ground.
    In the indoor marijuana grow room, agents located “bags of miracle grow,
    potting soil, 57 pots to transplant plants, 23 plant trays and approximately 10 pots
    that had previously been used.” App. vol. VIII, at 9 (Presentence Report). In the
    grow room, lights, an air conditioner, and a fan were being regulated on a timer.
    Other items seized during the search of Mr. Allerheiligen’s property included a
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    book on marijuana botany, a marijuana grower’s guide, balance scales, marijuana
    seeds, a suitcase containing marijuana residue, and numerous weapons.
    Mr. Allerheiligen filed a motion to suppress, raising various challenges to
    the constitutionality of the search of his property. On June 1, 1998, the district
    court held an evidentiary hearing, following which the court denied the motion.
    Both the government and Mr. Allerheiligen filed pre-trial motions seeking
    to exclude evidence. The court conducted an evidentiary hearing on these
    motions. In a subsequent written order, the court granted the government’s
    motion in limine, thereby excluding expert testimony on Mr. Allerheiligen’s
    psychological and/or psychiatric condition and testimony regarding the
    videotapes allegedly depicting wild marijuana on his property over a year after
    the seizure. The court also excluded the proffered expert testimony of Ed
    Rosenthal, William Logan, and Walt Carroll regarding the differences between
    wild and cultivated marijuana and the condition of his property after the seizure.
    The court denied Mr. Allerheiligen’s motion to exclude testimony regarding
    marijuana plants and peat pots the government had not preserved.
    On November 3, 1998, prior to trial, Mr. Allerheiligen entered into a plea
    agreement with the government. Pursuant to this agreement, Mr. Allerheiligen
    pleaded guilty to the § 841(a)(1) charge but reserved the right to appeal most of
    the pretrial rulings. The government, in turn, agreed to a contested sentencing
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    hearing on the number of marijuana plants attributable to Mr. Allerheiligen. The
    government further agreed not to oppose application of the safety valve, pursuant
    to 
    18 U.S.C. § 3553
    (f) and USSG §5C1.2, if the probation officer who prepared
    the presentence report determined it to be appropriate.
    The presentence report attributed 1,346 marijuana plants to Mr.
    Allerheiligen. The probation officer who authored the report approved
    application of the safety valve. However, in a chambers conference prior to
    sentencing, the court advised both parties’ counsel that it would not be inclined
    to award safety valve credit if Mr. Allerheiligen contested the number of plants
    which had been attributed to him in the presentence report.
    Consequently, Mr. Allerheiligen withdrew his objections to the number of
    plants attributed to him in the presentence report and received safety valve credit.
    The court sentenced him to 41 months’ imprisonment.
    II. DISCUSSION
    A. Motion to Suppress
    When reviewing a district court’s denial of a motion to suppress, we
    consider the totality of the circumstances and view the evidence in the light most
    favorable to the government, accepting the district court’s factual findings unless
    they are clearly erroneous.   See United States v. Long , 
    176 F.3d 1304
    , 1307 (10th
    -6-
    Cir. 1999). “The credibility of witnesses, the weight to be given evidence, and
    the reasonable inferences drawn from the evidence fall within the province of the
    district court.”   
    Id.
     “[T]he ultimate determination of reasonableness under the
    Fourth Amendment[, however,] is a question of law” we review de novo.             Id.
    1.      Material Falsehoods or Omissions in the Affidavit
    Mr. Allerheiligen contends Agent Christy provided false and misleading
    information to the magistrate in his affidavit underlying the search warrant. A
    search warrant must be voided and the fruits of the search excluded where a
    defendant establishes by a preponderance of the evidence that the affiant
    knowingly or recklessly submitted false statements or omitted information
    material to the magistrate’s finding of probable cause.          See United States v.
    Kennedy , 
    131 F.3d 1371
    , 1376 (10th Cir. 1997) (citing          Franks v. Delaware , 
    438 U.S. 154
    , 155-56 (1978) and       Stewart v. Donges , 
    915 F.2d 572
    , 581-82 (10th Cir.
    1990)). The burden, therefore, falls upon the defendant to establish “the affiant
    in fact entertained serious doubts as to the truth of his allegations.”      Bruning v.
    Pixler , 
    949 F.2d 352
    , 357 (10th Cir.1991) (internal quotations omitted).
    Recklessness may be inferred where the omitted information was “clearly
    critical” to the probable cause determination.       DeLoach v. Bevers , 
    922 F.2d 618
    ,
    622 (10th Cir.1990) (internal quotations omitted). Mere negligence or innocent
    -7-
    mistake is insufficient to void a warrant.    See Franks , 
    438 U.S. at 171
    ; see, e.g. ,
    United States v. Clapp , 
    46 F.3d 795
    , 800-801 (8th Cir. 1995).
    “Whether false statements or omissions are intentional or reckless is a
    factual finding reviewed under the clearly erroneous standard. Whether
    misstatements and omissions are material to a finding of probable cause is subject
    to de novo review.”     United States v. Dozier , 
    844 F.2d 701
    , 705 (9th Cir. 1988)
    (citations omitted).
    a.       The Altitude of the Fly-over
    Mr. Allerheiligen contends Agent Christy falsely stated in his affidavit that
    he flew over Mr. Allerheiligen’s property at an altitude of approximately 1,000
    feet. He asserts the “uncontradicted scientific evidence shows” Agent Christy
    was flying at approximately 300 feet. Aplt’s Br. at 11-12. Mr. Allerheiligen
    further argues that a fly-over conducted at an altitude of 300 feet violated his
    Fourth Amendment rights.
    Contrary to Mr. Allerheiligen’s assertion, the evidence of Agent Christy’s
    actual altitude during the fly-over presented at the suppression hearing was
    contradictory. Jerry G. Cusick testified as an expert for the defense that one of
    Agent Christy’s photographs of Mr. Allerheiligen’s property had been taken at an
    altitude of 231 feet, and that two others had been taken from approximately 360
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    feet. Agent Christy, however, testified that he was flying at an altitude of 1,000
    feet. He explained that his assessment of the altitude during the fly-over was
    based on his altimeter. On cross-examination Agent Christy admitted that his
    altimeter “could have been out of certification” because there is no certification
    requirement for altimeters on the type of aircraft he was flying.   App. vol. IV, at
    29. However, he also testified that he had no reason to believe that his altimeter
    was not working properly.
    After considering both witnesses’ testimony, the district court nevertheless
    found that the fly-over occurred at an altitude of approximately 1,000 to 2,000
    feet, and therefore, under   California v. Ciraolo , 
    476 U.S. 207
     (1986), Mr.
    Allerheiligen’s Fourth Amendment rights had not been violated.       Although we
    are troubled by the great disparity in testimony regarding the altitude at which
    Agent Christy conducted the fly-over, we must “not disturb a sentencing court’s
    factual findings unless they are without factual support in the record, or if after
    reviewing all the evidence we are left with the definite and firm conviction that a
    mistake has been made.”      United States v. Moore , 
    130 F.3d 1414
    , 1416 (10th Cir.
    1997) (internal quotations omitted).
    Here, the court’s finding that the fly-over occurred at approximately 1,000
    feet is supported in the record by Agent Christy’s testimony. We must give
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    substantial deference to the district court’s decision to judge Agent Christy’s
    testimony as more credible than that of the defendant’s expert, Mr. Cusick.
    Further, we note, as did the district court, that the Supreme Court has
    approved of aerial surveillance at an altitude as low as 400 feet.    See Florida v.
    Riley , 
    488 U.S. 445
    , 451-52 (1989). Moreover, we agree with the district court
    that the photographs Agent Christy took of Mr. Allerheiligen’s property during
    the fly-over “‘are not so revealing of intimate details as to raise constitutional
    concerns.’” App. vol. I, at 214 (quoting     Dow Chem. Co. v. United States , 
    476 U.S. 227
    , 238 (1986)).
    Thus, our review of the record does not leave us “with the definite and
    firm conviction that a mistake has been made.”       United States v. Bautista , 
    145 F.3d 1140
    , 1146 (10th Cir. 1998).      Accordingly, we conclude the court’s finding
    was not clearly erroneous.   1
    1
    Because we defer to the court’s factual finding that the fly-over was
    conducted at approximately 1,000 feet, we do not address Mr. Allerheiligen’s
    argument that a fly-over at approximately 300 feet is a Fourth Amendment
    violation of his private airspace. However, we do note our court has held that a
    helicopter search of marijuana gardens at “an altitude substantially less than five
    hundred feet” does not violate the Fourth Amendment where the marijuana
    gardens are located in open fields and thus not part of the curtilage of the
    defendant’s home. United States v. Swepston, 
    987 F.2d 1510
    , 1512, 1515-16
    (10th Cir. 1993). Here, Mr. Allerheiligen does not challenge the court’s finding
    that the marijuana was located in an open field not within the curtilage of his
    home.
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    b.     Other Alleged Falsehoods and Omissions in the Affidavit
    Mr. Allerheiligen alleges Agent Christy submitted other materially false or
    misleading statements in the affidavit. In support of these allegations, Mr.
    Allerheiligen directs us to Agent Christy’s testimony at the suppression hearing,
    as well as that of other witnesses, arguing they contradict Agent Christy’s
    assertions in his affidavit and therefore prove such assertions are false or
    misleading. However, this evidence is unconvincing and fails not only to prove
    the statements were false or misleading, but it fails to establish that the
    statements were material to the determination of probable cause.       See Kennedy ,
    
    131 F.3d at 1375
    .
    First, Mr. Allerheiligen alleges Agent Christy lied about not observing any
    wild marijuana on his property during the fly-over.      His only evidence in support
    of the falsity of this statement is testimony from various witnesses that wild
    marijuana is prevalent in the area generally, especially along the creek bed that
    runs south of Mr. Allerheiligen’s property. The testimony from these witnesses
    does not establish Agent Christy’s statement was knowingly false or misleading.
    See Kennedy , 
    131 F.3d at 1376
    . Agent Christy did not deny the existence of wild
    marijuana in the area, rather, he only submitted that he did not observe any on
    Mr. Allerheiligen’s property during the fly-over.     See, e.g. , United States v.
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    Searcy , 
    181 F.3d 975
    , 980 (8th Cir. 1999) (“Minor errors in the warrant which do
    not reflect deliberate falsehoods are insufficient to mandate suppression . . . .”).
    Second, Mr. Allerheiligen takes issue with Agent Christy’s statement in the
    affidavit that “[t]he plants and paraphernalia are located in an area which were
    not visible from the county roadway and had a distance that would make normal
    gardening very laborious.” App. vol. I, at 44 (Aff. of Agent Christy).
    Specifically, he argues use of the word “paraphernalia” was misleading. In
    support of this argument he points to Agent Christy’s testimony that
    “paraphernalia” referred only to a garden hose he observed next to the barn
    during the fly-over and a peat pot the agents observed when they walked through
    the marijuana patch. Although use of the word “paraphernalia” may have been
    somewhat of an overstatement, Mr. Allerheiligen points to nothing in the record
    to suggest Agent Christy chose that word with the intention of misleading the
    magistrate. Moreover, there is no evidence that use of the word “paraphernalia”
    was material to the magistrate’s finding of probable cause.
    Finally, Mr. Allerheiligen contends Agent Christy’s ability to discern
    between wild and cultivated marijuana required viewing the tops of the plants,
    and, therefore, his failure to include this fact in his affidavit underlying the
    search warrant was a material omission. In support of this contention, he relies
    on Agent Christy’s testimony at the suppression hearing that “the plants that [he]
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    saw were not consistent with plants that grow naturally on this continent. The
    plants [he] observed had round tops, rather than pointed.” App. vol. IV, at 11.
    He further argues the photographs, as well as Agent Christy’s own testimony,
    illustrate that he could not have made such an identification at an altitude of
    1,000 feet.
    Again, this argument is without merit. The district court found Agent
    Christy had observed both wild and cultivated marijuana on over 300 separate
    occasions and had fourteen years of experience in aerial identification of
    marijuana. Nothing in Agent Christy’s testimony during the suppression hearing
    suggested that viewing the tops of the plants is the only means by which to
    distinguish cultivated from wild marijuana. In fact, in the affidavit Agent Christy
    stated he believed the plants he observed were cultivated, as opposed to wild,
    based partly on the fact that “[t]he height, the shape and dissimilar shade of green
    . . . [was] consistent with [his] previous observations of growing cultivated
    marijuana.” App. vol. I, at 123 (Aff. of Agent Christy). Agent Christy’s
    testimony does not conflict with his statements in the affidavit. Thus, there is no
    support for the contention that Agent Christy omitted any material information.
    Further, Mr. Allerheiligen has presented no evidence that Agent Christy
    could not distinguish between rounded and pointed tops from 1000 feet.
    Contrary to Mr. Allerheiligen’s position, during his testimony at the suppression
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    hearing, Agent Christy did not retreat from his statement in the affidavit that he
    could identify cultivated marijuana plants through aerial surveillance. Rather, he
    only conceded that his identification from the air could never be certain.
    Accordingly, the district court did not err in rejecting Mr. Allerheiligen’s
    contentions of material falsehoods and omissions in the affidavit.   See United
    States v. Haimowitz , 
    706 F.2d 1549
    , 1556 (11th Cir. 1983).
    2.     There was probable cause to search the residence.
    Mr. Allerheiligen asserts there was insufficient evidence of probable cause
    to search his residence.   2
    He contends “none of the information in [Agent]
    Christy’s affidavit that was gathered from his fly-over or from the Kansas
    officers’ invasion of [his] property during the walk-in can properly be relied
    upon in testing the sufficiency of the warrant.” Aplt’s Br. at 15.
    2
    Within his probable cause challenge, Mr. Allerheiligen makes additional
    allegations that Agent Christy submitted false or misleading statements in the
    affidavit underlying the search warrant. For instance, he asserts the “foot path”
    the agents allegedly observed during the walk-in was really a cattle path.
    Moreover, he asserts the statement in the affidavit that the marijuana patch was in
    a fenced-off area was misleading because the fencing was around the entire
    pasture, not just the marijuana patch. However, we conclude that,
    “[d]isregarding the[se] allegedly false [or misleading] statements in [the]
    affidavit, the other evidence presented by the government amply supported a
    finding of probable cause.”   United States v. Salameh , 
    152 F.3d 88
    , 114 (2d Cir.
    1998); see United States v. Myers , 
    106 F.3d 936
    , 940 (10th Cir. 1997).
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    It is true that, in order to determine whether the search warrant was valid
    and issued upon probable cause, the supporting affidavit must be analyzed
    without facts that are tainted by prior illegality.   See United States v. Anderson ,
    
    981 F.2d 1560
    , 1568 (10th Cir. 1992). However, we have already concluded the
    aerial search over Mr. Allerheiligen’s property did not violate his constitutional
    rights. We have further concluded there is no evidence to support Mr.
    Allerheiligen’s assertion that Agent Christy intentionally misled the magistrate in
    his affidavit underlying the search warrant. Therefore, we may consider Agent
    Christy’s observations during the fly-over in testing the sufficiency of the
    warrant.
    Moreover, the district court found the walk-in on Mr. Allerheiligen’s
    property was constitutional. The court reasoned the marijuana field was an “open
    field” not within the curtilage of Mr. Allerheiligen’s home and, therefore, was
    not entitled to Fourth Amendment protection. Mr. Allerheiligen does not
    challenge this finding on appeal. Thus, we may consider the agents’ observations
    during the walk-in in testing the sufficiency of the warrant.
    Probable cause means that “there is a fair probability that contraband or
    evidence of a crime will be found in a particular place.”      Illinois v. Gates , 
    462 U.S. 213
    , 238 (1983). We give great deference to the magistrate’s determination
    of probable cause and will uphold that conclusion if the “totality of the
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    information contained in the affidavit provided a substantial basis for finding
    there was a fair probability that evidence of criminal activity would be found.”
    United States v. Janus Industr.   , 
    48 F.3d 1548
    , 1553 (10th Cir. 1995) (internal
    quotations omitted).
    In the affidavit, Agent Christy submitted that during aerial surveillance he
    observed what he believed to be several hundred cultivated marijuana plants in a
    clearing behind Mr. Allerheiligen’s residence. He furthered stated that he
    observed a pathway leading from the plants to a fence which contained a gate at
    the back of a barn. Agent Christy’s affidavit also relayed the following
    observations by the agents who performed the walk-in: there were numerous
    marijuana plants broken off ten to twelve inches above the ground, one plant that
    had been pulled had a peat pot still attached to the root, and there was a fairly
    new candy wrapper in the marijuana patch.
    The agents’ observations during the walk-in, coupled with those made by
    Agent Christy during the fly-over, clearly support the magistrate’s finding of
    probable cause to search Mr. Allerheiligen’s residence.     See, e.g. , United States
    v. Emmons , 
    24 F.3d 1210
    , 1215 (10th Cir. 1994) (affirming probable cause
    determination in part because “the judge who issued the warrant was certainly
    entitled to consider the large quantity of marijuana discovered during the two
    expeditions onto [the defendant’s] property, an amount totally at odds with purely
    -16-
    personal consumption” and rejecting the defendant’s “argu[ment] that even if the
    marijuana could give rise to an inference of distribution, it could not fairly be
    inferred that evidence would be found in his home.”);     United States v. Morehead ,
    
    959 F.2d 1489
    , 1499 (10th Cir. 1992) (holding that “officers’ observations of
    marijuana plants in the trailer and shop building adjacent to the [defendant’s]
    residence” provided a substantial basis for the conclusion that there was a fair
    probability that evidence of a crime would be found on the property);     United
    States v. Wilson , No. 97-5201, 
    1998 WL 482786
    , at ** 3 (10th Cir. Aug. 12,
    1998) (“The affiant’s statement that during an aerial fly-over he viewed
    marijuana plants on land where Defendant resided and the other statements in the
    affidavit that Defendant exhibited behavior consistent with those involved in the
    production of marijuana established a fair probability that a crime was being
    committed and support a finding of probable cause”);      United States v. Malin , 
    908 F.2d 163
    , 166 (7th Cir. 1990) (upholding magistrate’s probable cause finding
    where the affidavit underlying the warrant to search the defendant’s house did
    not directly link the marijuana observed by officers to the house or cite any
    evidence of cultivation),   abrogation on other grounds recognized in   United States
    v. Monroe , 
    73 F.3d 129
     (7th Cir. 1995);    United States v. Fuesting , 
    845 F.2d 664
    ,
    671 (7th Cir. 1988) (stating “probable cause existed for the search given the
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    observations of the officers in the helicopter”). Accordingly, we conclude that
    the district court did not err in denying the motion to suppress.
    B.    Exclusion of videotape evidence allegedly depicting the condition of
    Mr. Allerheiligen’s property a year after the seizure
    The crux of Mr. Allerheiligen’s defense was that he cultivated only a few
    marijuana plants for personal use and that the rest of the marijuana seized by the
    government was wild. Prior to trial, Mr. Allerheiligen disclosed to the
    prosecution a list of witnesses, some of whom would testify regarding two
    videotapes allegedly depicting approximately 1,500 wild marijuana plants
    growing on his farm in September of 1998, approximately a year after the
    seizure.
    The government filed a motion in limine to exclude this evidence under
    Federal Rule of Evidence 403. In granting the government’s motion the court
    reasoned that “evidence that there was wild marijuana growing on some portion
    of defendant’s property on September 9, 1998, over a year after the search
    warrant was executed, is irrelevant to the allegations contained in [the]
    Indictment.” App. vol. III, at 126 (Order, dated Nov. 19, 1998).
    We review a district court’s decision to exclude relevant evidence under
    Federal Rule of Evidence 403 for abuse of discretion.    See United States v.
    Castillo , 
    140 F.3d 874
    , 884 (10th Cir. 1998). Pursuant to this rule, “relevant
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    evidence may be excluded if its probative value is substantially outweighed by
    the danger of unfair prejudice, confusion of the issues, or misleading the jury, or
    by considerations of undue delay, waste of time, or needless presentation of
    cumulative evidence.” Fed. R. Evid. 403.
    Here, the district court noted that the government admitted wild marijuana
    grows annually in numerous rural areas in Marshall County, Kansas, where Mr.
    Allerheiligen’s property is located. Moreover, in the presentence report the
    probation officer agreed with Mr. Allerheiligen that “there were likely wild
    marihuana plants growing in the marihuana patchs [sic] which were seized from
    the defendant’s property.” App. vol. VIII, at 13, ¶ 37. However, the report
    further “concluded that [Mr. Allerheiligen] had adopted those marihuana plants
    as his own and cared for them as he did the plants that he personally planted”
    and, therefore, those plants were attributable to him.   
    Id.
     Thus, the existence of
    wild marijuana in the area was not in dispute, thereby, demonstrating the minimal
    probative value of the proffered videotape evidence. Moreover, evidence
    regarding the condition of Mr. Allerheiligen’s property a year after the seizure
    would likely have confused the issues or misled the jury.
    Finally, the KBI made a videotape and took photographs of Mr.
    Allerheiligen’s property during the marijuana seizure in 1997. Mr. Allerheiligen
    has not offered any legitimate explanation as to why the 1997 KBI videotape and
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    photographs do not accurately reflect his property on the day of the seizure.
    Accordingly, we find no abuse of discretion in the court’s decision to exclude
    any evidence regarding the 1998 videotapes allegedly depicting Mr.
    Allerheiligen’s property a year after the seizure.    Cf. , United States v. Culpepper ,
    
    834 F.2d 879
    , 883 (10th Cir. 1987) (upholding the trial court’s denial of
    defendant’s request to allow the jury to view the marijuana field two months after
    the seizure because rain had changed the field’s condition and because there were
    undisputed photographs of the field on the day of the seizure).
    C.     Exclusion of Expert Witnesses Offered to Testify as to the Differences
    Between Marijuana Grown for Personal Use Versus Distribution
    As stated previously, Mr. Allerheiligen’s defense was that he only planted
    a few marijuana plants for personal use, not distribution. Because possessing a
    large quantity of drugs is a strong indicator of intent to distribute, he set out to
    prove he did not cultivate the 1,346 marijuana plants attributed to him.       See, e.g. ,
    United States v. Wood , 
    57 F.3d 913
    , 918 (10th Cir. 1995) (“A large quantity of
    the drug will support a reasonable inference that a defendant intended to
    distribute it.”); United States v. Eng , 
    753 F.2d 683
    , 687 (8th Cir. 1985) (“The
    harvesting of [over thirteen pounds] of marijuana is inconsistent with Eng’s
    personal use claim.”).
    -20-
    In support of his defense Mr. Allerheiligen sought to present three expert
    witness, Ed Rosenthal, Walt Carroll, and William Logan, to testify regarding the
    differences between marijuana grown for personal use and marijuana grown for
    commercial distribution. The district court excluded all three of Mr.
    Allerheiligen’s expert witnesses, finding they were not qualified to testify on the
    subject matter of their proffered testimony. Mr. Allerheiligen contends exclusion
    of all three expert witnesses was in error.
    A district court may allow expert testimony “[i]f [the expert’s] scientific,
    technical, or other specialized knowledge will assist the trier of fact to
    understand the evidence or to determine a fact in issue.” Fed. R. Evid. 702. T     he
    Supreme Court has held that Rule 702 imposes a special obligation upon a trial
    judge to ensure that all expert testimony, even non-scientific and experience-
    based expert testimony, is both relevant and reliable.    See Kumho Tire Co. v.
    Carmichael , 
    526 U.S. 137
    , 147 (1999);     Daubert v. Merrell Dow Pharm., Inc.   , 
    509 U.S. 579
    , 592-93 (1993).
    In Daubert , the Court stated that, in determining reliability, the trial judge
    may consider: (1) whether a “theory or technique . . . can be (and has been)
    tested”; (2) whether it “has been subjected to peer review and publication”; (3)
    whether, in respect to a particular technique, there is a high “known or potential
    rate of error” and whether there are “standards controlling the technique’s
    -21-
    operation”; and (4) whether the theory or technique enjoys “general acceptance
    within a relevant scientific community.” 
    509 U.S. at 593-94
    .
    However, the Supreme Court has stressed that “the trial judge must have
    considerable leeway in deciding in a particular case how to go about determining
    whether particular expert testimony is reliable.”   Kumho Tire , 
    526 U.S. at 152
    .
    “Thus, whether Daubert’s specific factors are, or are not, reasonable measures of
    reliability in a particular case is a matter that the law grants the trial judge broad
    latitude to determine.”   
    Id. at 153
    . Accordingly, a trial judge’s ruling on the
    admission or exclusion of expert testimony will not be overturned unless it is
    manifestly erroneous or an abuse of discretion.     See General Elec. Co. v. Joiner ,
    
    522 U.S. 136
    , 142 (1997);    United States v. Diaz , 
    189 F.3d 1239
    , 1246 (10th Cir.
    1999).
    1.     Ed Rosenthal
    At the hearing on the government’s motion to exclude Mr. Rosenthal’s
    testimony, defense counsel made a lengthy proffer regarding Mr. Rosenthal’s
    qualifications and the subject matter of his testimony. In essence, Mr. Rosenthal
    would have testified “about the quantity and quality of marijuana plants which
    distinguishes personal use from commercial cultivation” and “the anticipated
    -22-
    yield of the marijuana seized from [Mr. Allerheiligen’s] property.” App. vol. II,
    at 110 (Defendant’s Witness List).
    Mr. Rosenthal proffered similar testimony in      United States v. Kelley , 
    6 F. Supp.2d 1168
    , 1179-85 (D. Kan. 1998), which the court excluded. In          Kelley , the
    court’s decision to exclude the testimony was based on its finding that he was not
    qualified to testify on the issues of yield, intent, general practices of outdoor
    marijuana growers, and processing and use of marijuana in Kansas.         See 
    id. at 1184-85
    .
    The decision in Kelley was based in part on transcripts of Mr. Rosenthal’s
    testimony in State v. Hood and United States v. Wyman & Hadley        , D. Kan. No.
    94-40038-01/02-RDR. In       Hood the court characterized Mr. Rosenthal’s
    testimony as a “serious disappointment” and “ideologically driven to the point
    where [the court thought Mr. Rosenthal] had no objectivity at all.”       Kelley , 
    6 F. Supp.2d at 1183-84
     (quoting Trans. Aug. 20, 1993, p.171). Similarly, in         Wyman
    and Hadley the court expressed regret over allowing Mr. Rosenthal to testify.
    Specifically, Judge Rogers voiced concern over Mr. Rosenthal’s qualifications
    and referred to his work as “almost voodoo research.”       
    Id. at 1184
     (quoting
    Trans. January 27, 1995, at 98-100).
    Here, the district court similarly “observe[d] several areas where [Mr.]
    Rosenthal’s purported testimony extend[ed] beyond his demonstrated areas of
    -23-
    specialized knowledge.” App. vol. III, at 130. In excluding Mr. Rosenthal’s
    testimony, the court explained:
    Even given the additional substantial information regarding [Mr.]
    Rosenthal provided to this court by the parties, the fact that [Mr.]
    Rosenthal writes books on marijuana growing and regularly writes a
    popular advice column for High Times magazine does not tell the court
    anything about the scientific reliability of his opinions expressed
    therein. There is no evidence that any of [Mr.] Rosenthal’s writings on
    marijuana have been recognized as a valid research effort or reference
    book in the field of botany. Nor is there anything of record that would
    lead this court to believe that it should rely on readers of High Times
    magazine or others having an interest in growing marijuana as a valid
    indicator of reliability.
    Based upon the court’s opinion in      Kelley , the transcript from
    Wyman and Hadley and the affidavit of Dr. Mahmoud A. ElSohly, the
    Director of the Marijuana Project at the University of Mississippi since
    1980, the court finds that [Mr.] Rosenthal’s qualifications are largely
    a matter provable only through his own opinion. He lacks any
    academic background, formal education or training, and experience that
    would qualify him as an expert on the subject of growing, harvesting,
    and processing of marijuana. His unique exposure to these topics is
    limited to his self-directed efforts at reading reference works, talking
    with some researchers and growers, and then summarizing the work of
    others in to popular “how-to” guides.
    Id. at 130-31.
    The district court undertook a careful and thorough review of Mr.
    Rosenthal’s qualifications and proffered testimony. In light of the “considerable
    leeway” we give trial judges “in deciding in a particular case how to go about
    determining whether particular expert testimony is reliable,” we conclude the
    court’s decision to exclude Mr. Rosenthal’s testimony was not an abuse of
    -24-
    discretion. Kumho Tire , 
    526 U.S. at 152
    ; see, e.g. , Taylor v. Cooper Tire &
    Rubber Co. , 
    130 F.3d 1395
    , 1397 (10th Cir. 1997) (affirming district court’s
    exclusion of expert testimony where, although the expert “was qualified generally
    in materials failure, particularly metals,” the court found the expert was not
    qualified to testify as to the critical issue of whether “the tire failure in [the] case
    was the result of a manufacturing defect”);          Broadcort Capital Corp. v. Summa
    Med. Corp. , 
    972 F.2d 1183
    , 1195 (10th Cir. 1992) (concluding exclusion of
    expert testimony was not an abuse of discretion where “[t]he district court found
    that [the expert’s] general experience and education did not qualify [him] as an
    expert in the securities area.”);   United States v. Chang , 
    207 F.3d 1169
    , 1173 (9th
    Cir. 2000) (holding “[i]t was not an abuse of discretion for the district court to
    determine that [the proffered expert’s] ‘practical experience in international
    finance’ did not amount to practical experience determining whether a particular
    security is counterfeit, the fact at issue in th[e] case.”).
    2.     Walt Carroll and William Logan
    Mr. Allerheiligen argues the court also erred in excluding expert witnesses
    Mr. Carroll and Mr. Logan. Neither Mr. Carroll nor Mr. Logan appeared at the
    hearing on the government’s motion to exclude both witnesses’ testimony.
    -25-
    Instead, Mr. Allerheiligen submitted their respective resumes and submitted a
    proffer of their testimonies.
    Mr. Carroll has been a law enforcement officer for over twenty-five years
    and has served as an expert witness and training instructor in the area of drug
    detection, inderdiction and prosecution of drug cases. Mr. Allerheiligen
    submitted that Mr. Carroll would “testify as to the presence of wild marijuana on
    the Allerheiligen property; evidence of spraying in the marijuana field; his
    observations during his inspection of the Allerheiligen property in 1997; pictures
    taken by him of the Allerheiligen property; [and] all other issues addressed in
    [Mr. Carroll’s] report and affidavit.” App. vol. II, at 108. Mr. Allerheiligen
    asserts Mr. Carroll’s testimony was significant because he inspected Mr.
    Allerheiligen’s property two weeks after the search and found no evidence of
    cultivation.
    Mr. Logan is a criminal defense lawyer. He has called Mr. Rosenthal to
    testify on behalf of his clients in various cases. Mr. Allerheiligen sought to call
    Mr. Logan to “testify to [the] defining elements which constitute personal use of
    marijuana” and “the expected yield of the marijuana seized.” App. vol. II, at
    109.           After reviewing the proffered evidence, the court concluded “that the
    purported testimonies of [Mssrs.] Logan and Carroll extend[ed] beyond their
    respective demonstrated areas of specialized knowledge.” App. vol. III, at 151.
    -26-
    As with Mr. Rosenthal, the court found that “the information provided to [it] by
    the defendant t[old] the court nothing about the scientific reliability of the
    opinions proffered by [Mssrs.] Logan and Carroll.”       
    Id.
    With respect to Mr. Carroll, the court found that his “credentials evidence
    no training, experience or schooling in matters specifically related to marijuana
    identification, marijuana eradication, marijuana processing, [and] marijuana use.”
    
    Id.
     Moreover, the court found nothing in the record to justify relying on “Mr.
    Carroll’s perusal of [Mr. Allerheiligen’s] property after [the marijuana seizure] . .
    . as evidence of the yield of the plants seized.”    Id. at 152. As to Mr. Logan, the
    court stated, “[t]here is nothing of record that would lead this court to believe
    that it should rely on Mr. Logan’s former clients, members of the California
    criminal defense bar, California marijuana users or the readers of his articles as a
    valid indicator of reliability.”   Id.
    The court carefully and meticulously reviewed the proffer of evidence
    submitted by Mr. Allerheiligen in support of Mssrs. Carroll and Logan, ultimately
    finding their proffered testimonies were not scientifically reliable. Our review of
    the record supports that finding. As stated previously, “the law grants the trial
    judge broad latitude to determine” what are “reasonable measures of reliability.”
    Kumho Tire , 
    526 U.S. at 123
    . Accordingly, we conclude the court’s decision to
    -27-
    exclude the testimony of Mr. Carroll and Mr. Logan was not an improper exercise
    of its discretion.
    D.     Exclusion of Expert Testimony Regarding Defendant’s Mental and
    Physical Condition
    On the defense witness list, Mr. Allerheiligen listed Dr. Stuart Twemlow as
    an expert witness who would have testified as to Mr. Allerheiligen’s “physical,
    medical and psychological condition.” App. vol. II, at 110. Dr. Twemlow
    examined Mr. Allerheiligen pursuant to a court ordered evaluation as a condition
    of his pre-trial release. The defense also listed Dr. Matthew Schlotterback, who
    would have testified as to his knowledge of Mr. Allerheiligen’s “medical
    history.” 
    Id.
     The government’s motion in limine sought to exclude the testimony
    of both witnesses.
    The district court granted the government’s motion, finding that the “[Mr.
    Allerheiligen’s] true intent [was] to offer a ‘justification’ defense through the use
    of this testimony.” App. vol. III, doc. 101, at 122. Mr. Allerheiligen had
    represented on the Omnibus Hearing Report that his sole defense was “general
    denial; put the government to proof,” and did not list “justification as a defense.”
    Thus, the court found that allowing the testimony would violate the Omnibus
    Hearing Report. Additionally, the court found the proffered testimony was akin
    to a medical necessity defense, which is not a proper defense to possession of
    -28-
    marijuana with intent to distribute, the charge at issue in this case. Finally, the
    court found the testimony was irrelevant and collateral to the issues at trial and
    therefore would confuse and distract the jury. Upon this finding, the court
    excluded the testimony pursuant to Federal Rules of Evidence 401, 402, and 403.
    On appeal, Mr. Allerheiligen asserts the court’s finding that the testimony
    was offered as a justification or medical necessity defense was in error. He
    maintains the testimony was not offered to prove justification or to negate intent,
    but rather solely to prove he only grew a few marijuana plants for personal use,
    not distribution. Moreover, the testimony was relevant because it was offered to
    bolster the credibility of Mr. Allerheiligen’s statements to KBI agents during the
    search of his property that he only grew a few marijuana plants for personal use.
    As explained in the previous section, we review the exclusion of expert
    testimony for abuse of discretion and we will not overturn the court’s decision
    unless it is manifestly erroneous.   See General Elec. Co. , 
    522 U.S. at 142
    ; Diaz ,
    
    189 F.3d at 1246
    . Without deciding whether all of the court’s reasons for
    excluding the proffered testimony were proper, we affirm the court’s decision to
    exclude the testimony pursuant to Rule 403. Under Rule 403, “relevant evidence
    may be excluded if its probative value is substantially outweighed by the danger
    of unfair prejudice, confusion of the issues, or misleading the jury, or by
    -29-
    considerations of undue delay, waste of time, or needless presentation of
    cumulative evidence.” Fed. R. Evid. 403.
    At the hearing on the government’s motion to exclude testimony on Mr.
    Allerheiligen’s psychiatric condition and medical history, defense counsel
    proffered the following testimony:
    [Mr. Allerheiligen] has a medical condition that causes chronic
    pain since the late 60s. [He] tried various prescription medications.
    [He] has a psychiatric/psychological problem that does not amount to
    the size of a problem as a bipolar disorder, but it causes extreme
    hyperactivity and periods of depression similar to what we would call
    manic depression . . . . He’s had it since birth. . . . And only recently
    [Dr. Twemlow] has confirmed through his treatment and care of [Mr.
    Allerheiligen] that that disorder exists.
    [Mr. Allerheiligen] is currently on enough medication to shock
    almost anybody. . . . It maintains him at a level of functioning that
    allows him to participate on a day-to-day basis with his wife and his
    family and society. That is the type of testimony we anticipate out of
    [Dr. Schlotterback] and [Dr. Twemlow].
    This is not a new problem. It’s a longstanding problem. It’s a
    problem, which for almost 30 years he monitored and treated himself
    with marijuana. He has readily admitted that. That’s never been an
    issue in this case.
    App. vol. V, at 54-55.
    The probative value of the proffered testimony on Mr. Allerheiligen’s
    psychiatric condition and medical history was minimal at best. Establishing Mr.
    Allerheiligen is a chronic user of marijuana is only marginally relevant to
    -30-
    whether he intended to distribute the large quantity of marijuana found on his
    property.
    Further, the minimal probative value of this testimony is substantially
    outweighed by the likelihood it would inject collateral issues at trial that would
    confuse and mislead the jury.       See Fed. R. Evid. 403. Regardless of Mr.
    Allerheiligen’s true purpose for this testimony,
    psychiatric evidence (1) will only rarely negate specific intent, (2)
    presents an inherent danger that it will distract the jury from focusing
    on the actual presence or absence of mens rea, and (3) may easily slide
    into wider usage that opens up the jury to theories of defense more akin
    to justification, [therefore,] district courts must examine such
    psychiatric evidence carefully to ascertain whether it would, if
    believed, support a legally acceptable theory of lack of mens rea.
    United States v. Cameron , 
    907 F.2d 1051
    , 1067 (11th Cir.1990) (internal
    quotations and citations omitted)     .
    Moreover, Mr. Allerheiligen had acknowledged throughout that he is a
    chronic marijuana user and had already admitted to growing at least some of the
    marijuana on his property for personal use. As defense counsel conceded, Mr.
    Allerheiligen’s personal use of marijuana has “never been an issue in this case.”
    App. vol. V, at 55. Thus, the proffered testimony was also partly cumulative.
    Accordingly, the district court’s exclusion of the proffered psychiatric and
    medical history testimony under Rule 403 was not an abuse of discretion.
    -31-
    E.    Evidence the Government Seized but Allegedly Failed to Preserve
    The presentence report attributed 1,346 marijuana plants to Mr.
    Allerheiligen.   See App. vol. VIII, at 14, ¶ 44. Mr. Allerheiligen alleges the
    government only seized a representative sample of these plants and failed to
    seize, preserve, or record any of the peat pots on the plants. Although Mr.
    Allerheiligen has framed the issue on appeal as whether “the district court abused
    its discretion in denying [his] motion to exclude testimony about evidence the
    government had seized but not preserved,” his entire argument is evidently
    dedicated to the legal proposition that the government’s alleged failure to
    preserve exculpatory evidence, i.e., the marijuana plants and the peat pots, denied
    him due process. After reviewing the record, we conclude Mr. Allerheiligen
    never presented this argument to the district court.
    The motion Mr. Allerheiligen submitted to the district court was entitled
    “Motion In Limine To Exclude Testimony About Evidence Which Has Not Been
    Preserved And To Prohibit Any Testimony Regarding Opinions Based On
    Scientific, Technical, Or Other Specialized Knowledge.” App. vol. III, at 1.
    Within this motion, Mr. Allerheiligen argued that because the government did not
    designate any witnesses as experts on its witness list, the witnesses should be
    prohibited from testimony based on scientific, technical or specialized knowledge
    under Federal Rule of Evidence 702. He asserted that, as a result of the
    -32-
    government’s failure to designate any of the witnesses as experts, the proposed
    witnesses should be limited to testimony based on perception only, as opposed to
    opinion, as required under Rule 701. Accordingly, he argued, no witnesses
    should be allowed to speculate as to the number of cultivated marijuana plants or
    peat pots present on Mr. Allerheiligen’s property during the seizure that were not
    videotaped, photographed, recorded or otherwise preserved.
    Although the motion contains a citation to     California v. Trombetta , 
    467 U.S. 479
     (1984), which outlines the standard for determining when the
    government’s failure to preserve, or destruction of, evidence violates due
    process, it is cited for the more general proposition that “[t]he government has a
    duty to preserve all evidence that is expected to play a significant role in a
    suspect’s defense.” App. vol III, at 3. The motion makes no allegation of a due
    process violation, nor does it attempt to argue the elements of the   Trombetta test.
    More importantly, Mr. Allerheiligen never alleged in his motion that the
    government failed to preserve or destroyed exculpatory evidence, which is the
    sole focus of Mr. Allerheiligen’s argument on appeal.
    The district court’s order lends support to our construction of Mr.
    Allerheiligen’s motion. In denying the motion, the court explained:
    After establishing to the court’s satisfaction that a witness
    can offer an opinion as a lay witness under Federal Rule
    of Evidence 701, witnesses may testify to their relevant
    observations, upon proper foundation, whether contained
    -33-
    in a report or not. If an agent offers testimony not
    contained in a report, this may be inquired into on cross-
    examination to challenge the credibility of the statement.
    This goes to the weight of the evidence and not to its
    admissibility.
    App. vol. III at 147 (Order, Nov. 19, 1998). The court made no mention of Mr.
    Allerheiligen’s current due process argument and did not discuss or cite to any
    cases regarding such.
    Because Mr. Allerheiligen failed to raise his due process argument to the
    district court, our review is limited to plain error.   See United States v. Orr , 
    864 F.2d 1505
    , 1508 (10th      Cir. 1988) (“On appeal we will only consider the specific
    ground of the evidentiary objection in the trial court, unless the ground not raised
    constitutes plain error resulting in manifest injustice.”) (internal quotations
    omitted); see also Goulah v. Ford Motor Company         , 
    118 F.3d 1478
    , 1483 (11th
    Cir. 1997) (“An objection on one ground will not preserve an error for appeal on
    other grounds.”). Plain error is that which affects substantial rights and
    undermines the “fairness, integrity, or public reputation of judicial proceedings.”
    Johnson v. United States , 
    520 U.S. 461
    , 466-67 (1997). The plain error doctrine
    is to be “‘used sparingly, solely in those circumstances in which a miscarriage of
    justice would otherwise result.’”       United States v. Oberle , 
    136 F.3d 1414
    , 1422
    (10th Cir. 1998) (quoting     United States v. Frady , 
    456 U.S. 152
    , 163 n. 14
    (1982)). Mr. Allerheiligen cannot establish plain error occurred here.
    -34-
    Specifically, Mr. Allerheiligen takes issue with the government’s failure to
    preserve the peat pots. He argues, “[h]ad [the government] seized all of the
    marijuana plants with peat pots, it would have either supported [his] claim that he
    only planted 12-15 plants, or disproved such a claim.” Aplt’s Br. at 27.
    However, to establish a violation of § 841(a)(1), the government did not need to
    prove Mr. Allerheiligen actually planted the marijuana, only that he possessed it
    with the intent to distribute.   See United States v. Silver , 
    84 F.3d 1317
    , 1321-22
    (10th Cir. 1996); App. vol. V, at 41 (defense attorney acknowledging Mr.
    Allerheiligen “[didn’t] have to grow [the marijuana] in order to possess it with
    the intent to distribute”). Moreover, the existence or lack of peat pots was not
    necessary to attribute the marijuana plants to Mr. Allerheiligen for purposes of
    sentencing. As stated previously, the presentence report concluded Mr.
    Allerheiligen “had adopted [the wild] marihuana plants as his own and cared for
    them as he did the plants that he personally planted,” and, therefore, considered
    those plants in determining his base offense level. App. vol. VIII, at 13, ¶ 37.
    Thus, the peat pot evidence was only potentially exculpatory.
    When potentially exculpatory evidence has not been preserved, in order to
    establish a due process violation, the defendant must show the government acted
    in bad faith. See United States v. Gomez , 
    191 F.3d 1214
    , 1219 (10th     Cir. 1999)
    (citing Arizona v. Youngblood , 
    488 U.S. 51
    , 58 (1988)). Here, Mr. Allerheiligen
    -35-
    alleges “the Kansas and federal authorities were well aware of the importance of
    the number of plants seized,” and “the methodology used to count the plants . . .
    was unclear and uncertain.” Aplt. Br. at 29. He further argues the government’s
    explanation for failing to preserve all of the marijuana plants including the peat
    pots, namely, lack of storage space and difficulty in pulling each plant, evinces
    bad faith.
    We are not convinced that this evidence alone is sufficient to establish the
    government acted in bad faith.     See United States v. Deaner , 
    1 F.3d 192
    , 201 (3d
    Cir. 1993) (concluding that even though the government destroyed seized
    marijuana because of limited storage space instead of retaining a representative
    sample as required by statute, the defendant could not establish bad faith);     United
    States v. Beldon , 
    957 F.2d 671
    , 673-74 (9th       Cir. 1992) (concluding the
    government did not act in bad faith where officers pulled marijuana plants from
    their pots or cut them above the roots, and failed to preserve the root systems
    because it was routine police practice and there was a lack of storage space);      see,
    e.g. , Gomez , 
    191 F.3d at 1219
     (no due process violation where the defendant
    could not show the police destroyed marijuana in bad faith).
    Because Mr. Allerheiligen cannot establish the KBI acted in bad faith in
    failing to preserve potentially exculpatory evidence, his due process claim fails.
    Accordingly, he cannot establish plain error.
    -36-
    F.    Plea Agreement
    Mr. Allerheiligen challenges his sentence, alleging the government
    breached the plea agreement. “Whether government conduct has violated a plea
    agreement is a question of law . . . we review de novo.”   United States v. Hawley ,
    
    93 F.3d 682
    , 690 (10th Cir. 1996). Plea bargains are governed by contract
    principles, and if any ambiguities are present, they will be resolved against the
    drafter. See 
    id.
     The defendant has the burden of proving by a preponderance of
    the evidence the underlying facts establishing the prosecution’s breach of the
    plea agreement. See Cunningham v. Diesslin , 
    92 F.3d 1054
    , 1059 (10th Cir.
    1996). Because Mr. Allerheiligen asserts the government breached the plea
    agreement for the first time on appeal, however, our review is limited to plain
    error. See United States v. Peterson , No. 99-2042, 
    2000 WL 725478
    , *1 (10th
    Cir. June 6, 2000).
    Pursuant to the plea agreement the government agreed not to oppose a
    contested sentencing, thereby allowing Mr. Allerheiligen to rebut the number of
    marijuana plants the presentence report attributed to him for purposes of
    calculating his offense level. The government also agreed not to oppose
    application of the safety valve provisions.
    Mr. Allerheiligen contends that during a chambers meeting prior to
    sentencing, the government “sided with the court” when the court announced to
    -37-
    both parties’ counsel that it would not be inclined to apply the safety valve if Mr.
    Allerheiligen contested the number of marijuana plants at sentencing. Aplt. Br.
    at 30. Mr. Allerheiligen asserts this constituted a breach of the government’s
    agreement not to oppose a contested sentencing on the number of plants
    attributable to him.
    Following the in-chambers meeting, Mr. Allerheiligen filed a “Motion To
    Reconsider Rulings Made In Chambers With Regard To Sentencing Issues.”
    App. vol. 3 at 156. Although Mr. Allerheiligen did not argue within this motion
    that the government breached the plea agreement, the motion did present the
    district court with the factual issue of what occurred during the in chambers
    meeting.
    In its order denying Mr. Allerheiligen’s motion to reconsider, the district
    court made the following findings with respect to what occurred during the in-
    chambers meeting:
    The conversation in chambers prior to sentencing was held primarily
    for the defendant’s benefit. The court made no rulings in chambers,
    but merely indicated to counsel for both sides that the court was
    inclined to apply the safety valve provision to this case. The court
    further indicated to counsel that the court did not believe defendant
    would be eligible for the safety valve provision if defendant continued
    to argue his objections with regard to the number of marijuana plants
    because he would no longer meet the fifth requirement for application
    of the safety valve by truthfully providing to the government all
    information and evidence the defendant has concerning the offense.
    See USSG §5C1.2 and 
    18 U.S.C. § 3553
    (f). This belief was based not
    only upon the court’s review of the KBI videotape of the counting of
    -38-
    the marijuana plants, but also on the court’s review of [inconsistent]
    statements provided by the defendant prior to sentencing.
    App. vol. III, at 185-86 (Order, dated May 6, 1999). The court then concluded:
    Upon review of the transcript of the sentencing hearing, the court finds
    that defense counsel never argued to the court that defendant should be
    allowed to contest the number of plants and still be eligible for the
    safety valve. Defendant’s counsel also did not voice any objection,
    either in chambers or during the sentencing hearing, with respect to the
    court’s view of the applicability of the safety valve. Therefore, the
    defendant did not make any kind of record regarding the applicability
    of the safety valve if he contested the number of plants. If the
    defendant believed that he should be allowed to contest the number of
    plants and still remain eligible for the safety valve, then he should have
    raised that argument with the court so that it could be addressed on the
    record.
    
    Id. at 186-87
    .
    There is nothing in the record that would permit us to review the court’s
    findings with respect to what occurred during the in chambers meeting, or Mr.
    Allerheiligen’s contention that the government breached its agreement through
    statements made therein. Mr. Allerheiligen did not request that the conversation
    in chambers be placed on the record, nor did counsel attempt to make any sort of
    record once the court was in session for the sentencing hearing. Where the
    evidentiary record is insufficient to permit assessment of an appellant’s claims of
    error we must affirm.   See Deines v. Vermeer Mfg. Co. , 
    969 F.2d 977
    , 979-80
    (10th Cir. 1992); see also 10th Cir. R. 10.3(B) (“When the party asserting an
    -39-
    issue fails to provide a record sufficient for considering that issue, the court may
    decline to consider it.”).
    IV. CONCLUSION
    For the foregoing reasons we AFFIRM Mr. Allerheiligen’s conviction and
    sentence.
    Entered for the Court,
    Robert H. Henry
    Circuit Judge
    -40-