State v. Edwards ( 2016 )


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  • Nebraska Supreme Court Online Library
    www.nebraska.gov/apps-courts-epub/
    07/01/2016 09:06 AM CDT
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    Nebraska Supreme Court A dvance Sheets
    294 Nebraska R eports
    STATE v. EDWARDS
    Cite as 
    294 Neb. 1
    State of Nebraska, appellee, v.
    Christopher A. Edwards, appellant.
    ___ N.W.2d ___
    Filed July 1, 2016.   No. S-15-139.
    1.	 Pleadings: Appeal and Error. An appellate court reviews a refusal to
    grant leave to amend for abuse of discretion.
    2.	 Postconviction: Proof: Appeal and Error. A defendant requesting
    postconviction relief must establish the basis for such relief, and the
    factual findings of the district court will not be disturbed unless they are
    clearly erroneous.
    3.	 Effectiveness of Counsel: Appeal and Error. Appellate review of a
    claim of ineffective assistance of counsel is a mixed question of law and
    fact. When reviewing a claim of ineffective assistance of counsel, an
    appellate court reviews the factual findings of the lower court for clear
    error. With regard to the questions of counsel’s performance or prejudice
    to the defendant as part of the two-pronged test articulated in Strickland
    v. Washington, 
    466 U.S. 668
    , 
    104 S. Ct. 2052
    , 
    80 L. Ed. 2d 674
    (1984),
    an appellate court reviews such legal determinations independently of
    the lower court’s decision.
    4.	 Judges: Words and Phrases. A judicial abuse of discretion exists when
    the reasons or rulings of a trial judge are clearly untenable, unfairly
    depriving a litigant of a substantial right and denying just results in mat-
    ters submitted for disposition.
    5.	 Criminal Law: Words and Phrases. Modus operandi is a character-
    istic method employed by a defendant in the performance of repeated
    criminal acts, and means, literally, “method of working,” and refers to
    a pattern of criminal behavior so distinctive that separate crimes are
    recognizable as the handiwork of the same wrongdoer.
    Appeal from the District Court for Douglas County: J
    Russell Derr, Judge. Affirmed.
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    Nebraska Supreme Court A dvance Sheets
    294 Nebraska R eports
    STATE v. EDWARDS
    Cite as 
    294 Neb. 1
    Brian Munnelly and Jerry L. Soucie for appellant.
    Douglas J. Peterson, Attorney General, and James D. Smith
    for appellee.
    Heavican, C.J., Wright, Connolly, Miller-Lerman, Cassel,
    and Stacy, JJ.
    Wright, J.
    I. NATURE OF CASE
    In March 2007, a jury convicted Christopher A. Edwards
    of the crimes of second degree murder and use of a deadly
    weapon to commit a felony in connection with the disap-
    pearance of Jessica O’Grady. In this appeal, Edwards main-
    tains that some of the evidence presented against him at trial
    was fabricated by David Kofoed, a former supervisor of the
    Douglas County Crime Scene Investigation Division (CSI)
    who was discovered to have fabricated and planted evidence
    in two different murder cases.1 Edwards also contends that
    his former attorney, Steven Lefler, acted under a conflict
    of interest during his trial and during the pendency of his
    direct appeal.
    II. BACKGROUND
    This is Edwards’ third appeal to this court. We affirmed
    Edwards’ convictions on direct appeal in State v. Edwards
    (Edwards I).2 Edwards then filed a motion for postconvic-
    tion relief, which the district court denied without an evi-
    dentiary hearing. In his second appeal in State v. Edwards
    (Edwards II),3 we affirmed the district court’s order on all
    but two of Edwards’ claims. With respect to those claims, we
    remanded the cause for an evidentiary hearing on two issues:
    1
    See, State v. Cook, 
    290 Neb. 381
    , 
    860 N.W.2d 408
    (2015); State v. Kofoed,
    
    283 Neb. 767
    , 
    817 N.W.2d 225
    (2012). See, also, State v. Edwards, 
    284 Neb. 382
    , 
    821 N.W.2d 680
    (2012).
    2
    State v. Edwards, 
    278 Neb. 55
    , 
    767 N.W.2d 784
    (2009).
    3
    State v. Edwards, supra note 1.
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    Nebraska Supreme Court A dvance Sheets
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    STATE v. EDWARDS
    Cite as 
    294 Neb. 1
    (1) whether Edwards was denied due process by the State’s
    knowing use of fabricated evidence to obtain his convictions
    and (2) whether Edwards’ trial counsel labored under an actual
    conflict of interest. After the remand but before the evidentiary
    hearing, Edwards filed in this case a “Motion for Leave to
    File Second Verified Motion for Postconviction Relief,” which
    motion the district court denied. An evidentiary hearing was
    held, and the district court denied Edwards’ motion for post-
    conviction relief. Edwards appeals for a third time, challenging
    the district court’s refusal to grant leave to amend his original
    motion for postconviction relief and the district court’s denial
    of postconviction relief.
    1. Edwards I
    In June 2006, Edwards was charged by information with the
    crimes of second degree murder and use of a deadly weapon
    to commit a felony in connection with the disappearance of
    O’Grady. O’Grady was last seen on May 10, 2006, leaving her
    apartment on her way to Edwards’ residence.
    Omaha police interviewed Edwards and obtained permis-
    sion to search his bedroom at his aunt’s house. A short sword
    was found in the closet, and blood was found on the sword.
    Other evidence found in Edwards’ bedroom was set forth in
    Edwards I as follows:
    Spattered blood was found on the nightstand, head-
    board, clock radio, and ceiling above the bed. Edwards
    was asked to explain the bloodstains on the headboard
    and clock, and replied that “he had cut his wrist.” A small
    bloodstain was located on the top of the mattress. Edwards
    was asked about the bloodstain and replied that “he had
    intercourse with a girlfriend who was menstruating.” But
    on further investigation, a very large, damp bloodstain
    was found on the underside of the mattress, covering most
    of the bottom side of the mattress. Bloodstains were later
    found on the bedding, a chair in the room, a bookcase,
    and laundry baskets. Luminol, a chemical used to locate
    where blood has been cleaned up, was applied to the
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    STATE v. EDWARDS
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    walls of the room. The Luminol suggested blood on large
    areas of the south and west walls. Stains that appeared
    to be blood were found on the ceiling, covered up by
    white paint.4
    A search of Edwards’ car and the garage was also conducted:
    A shovel and a pair of garden shears were found in
    Edwards’ vehicle. A bloodstain was found on the handle
    of the garden shears. More bloodstains were found on the
    trunk gasket of the car and on the underside of the trunk
    lid. A black, plastic trash bag was found in the garage next
    to the vehicle. The bag contained two bloodstained towels
    and a receipt from a drugstore in west Omaha. Edwards
    had been videotaped purchasing poster paint, white shoe
    polish, and correction fluid at that drugstore on May 11,
    2006, at 7:41 p.m. The poster paint was chemically identi-
    cal to that found on Edwards’ ceiling.5
    The DNA profiles recovered from the blood on the above
    items were all consistent with O’Grady’s DNA profile. The
    chances of another unrelated Caucasian person having the same
    DNA profile as the DNA profile recovered from those items
    differed depending on the item, but the chances ranged from 1
    in 15.6 billion to 1 in 26.6 quintillion.6
    Edwards was convicted of both crimes for which he was
    charged, and he appealed both convictions, arguing, among
    other things, that the evidence was insufficient to prove that
    O’Grady had been murdered, because her body had not been
    found. We affirmed Edwards’ convictions in Edwards I.
    2. Edwards II
    In July 2010, Edwards filed a motion for postconviction
    relief. We summarized the claims set forth in that motion in
    Edwards II:
    4
    Edwards I, supra note 
    2, 278 Neb. at 62
    , 767 N.W.2d at 793-94.
    5
    
    Id. at 62-63,
    767 N.W.2d at 794.
    6
    
    Id. -5- Nebraska
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    STATE v. EDWARDS
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    294 Neb. 1
    Edwards claimed that the State violated his due proc­
    ess rights by presenting fabricated evidence during his
    trial. Edwards alleged that while investigating O’Grady’s
    murder, . . . Kofoed, a supervisor of [CSI], planted blood
    evidence to be used against Edwards. Edwards’ allega-
    tions and attachments set out a history of Kofoed’s unlaw-
    ful conduct during other murder investigations. Edwards
    alleged that the State’s introduction of forensic evidence
    at his trial that had been falsified by law enforcement
    officials constituted outrageous government conduct that
    violated his right to due process.
    In addition to his due process claim, Edwards alleged
    claims of ineffective assistance of counsel. Edwards was
    represented by the same three attorneys at trial and on
    appeal. First, he alleged that although his lead attor-
    ney, . . . Lefler, should have known that Kofoed was
    suspected of planting evidence during the 2006 murder
    investigation, Lefler did not investigate this information
    or effectively impeach Kofoed at trial. Edwards alleged
    that Lefler was ineffective because he was a friend
    of Kofoed.
    Edwards also claimed that his trial counsel was inef-
    fective in failing to retain a DNA expert to testify at trial.
    He alleged that an expert could have testified that the
    blood on his mattress came from two contributors—nei-
    ther of which was Edwards. He claimed that such testi-
    mony would have supported his theory that O’Grady had
    experienced a miscarriage, which would have explained
    the blood on his mattress. He also claimed that his coun-
    sel should have obtained additional DNA testing after
    learning that mixed DNA samples had been found. He
    alleged that this evidence could have opened the door
    to other possible theories about the blood on the mat-
    tress. Finally, Edwards alleged that his trial counsel failed
    to effectively investigate (1) calls made to O’Grady’s
    aunt after O’Grady’s disappearance, concerning the
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    location of O’Grady’s car; (2) whether O’Grady had
    contacted an online travel agency around the time of
    her disappearance; and (3) whether an “‘alternate sus-
    pect’” existed.
    Regarding his direct appeal, Edwards alleged that his
    appellate counsel was ineffective in failing to raise (1)
    the trial court’s denial of his motion to change venue, (2)
    the due process violation related to his claim of falsified
    evidence, and (3) his other claims of his trial counsel’s
    ineffective assistance.7
    In August 2011, the district court sustained the State’s
    motion to dismiss Edwards’ motion for postconviction relief
    without an evidentiary hearing. Edwards appealed.
    In September 2012, in Edwards II, we concluded that only
    two issues raised in Edwards’ motion for postconviction relief
    warranted an evidentiary hearing: (1) whether Edwards was
    denied due process by the State’s knowing use of fabricated
    evidence to obtain his convictions and (2) whether Edwards’
    trial counsel labored under an actual conflict of interest. As to
    Edwards’ other claims, we determined that the district court
    properly denied Edwards postconviction relief.
    3. Edwards’ Motion for
    Leave to A mend
    After the remand in Edwards II, but before the evidentiary
    hearing on the two claims described above, Edwards filed in
    this case his motion for leave to file a second motion for post-
    conviction relief. In support of his motion, Edwards attached
    a document titled “Second Verified Motion for Postconviction
    Relief.” That document set forth five claims: (1) Edwards’
    due process rights were violated because his convictions were
    based on fabricated evidence; (2) Edwards’ due process rights
    were violated because the State failed to disclose material
    exculpatory evidence; (3) Edwards’ attorney did not provide
    7
    Edwards II, supra note 
    1, 284 Neb. at 387-88
    , 821 N.W.2d at 689-90.
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    STATE v. EDWARDS
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    conflict-free representation, as required by the 6th and 14th
    Amendments to the U.S. Constitution; (4) the step instruction
    on the lesser-included offense of manslaughter failed to distin-
    guish between the intent to kill associated with second degree
    murder and the intent to kill resulting from a “sudden quarrel”;
    and (5) cumulative error deprived Edwards of his right to sub-
    stantive due process under the 14th Amendment.
    The district court implicitly construed Edwards’ motion for
    leave to file a second motion as a motion for leave to amend
    his original postconviction motion. The court overruled the
    motion to amend, reasoning that it was without power to affect
    the rights and duties outside the scope of this court’s remand
    in Edwards II. Edwards accepts the court’s characterization
    of his motion (as a motion to amend) but appeals the court’s
    decision overruling the motion, arguing that he should have
    been allowed to amend. Because both Edwards and the district
    court treat Edwards’ motion as a motion to amend, and because
    Edwards filed the motion for leave to file a second motion
    under the same docket number as the original postconvic-
    tion motion, we will also treat Edwards’ motion as a motion
    to amend.
    4. Evidentiary Hearing
    on R emand
    The evidentiary hearing took place on July 8 and August
    14, 2013, and March 13, 14, and April 9, 2014. Below, we
    set forth the evidence presented at the hearing as it relates to
    the issues the district court was to address on remand, i.e.,
    (1) whether Edwards was denied due process by the State’s
    knowing use of fabricated evidence to obtain his convictions
    and (2) whether Edwards’ trial counsel labored under an actual
    conflict of interest. The evidence on these two issues includes
    not only the testimony presented at the evidentiary hearing, but
    also deposition testimony and testimony presented at Edwards’
    original trial, as well as exhibits from both the trial and the
    postconviction proceedings.
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    STATE v. EDWARDS
    Cite as 
    294 Neb. 1
    (a) Fabrication of Evidence
    For the State to knowingly use fabricated evidence, it is axi-
    omatic that there must first be fabricated evidence. Therefore,
    before considering any evidence that the State knowingly used
    fabricated evidence, we first consider the facts relevant to
    Edwards’ claim that Kofoed fabricated evidence against him.
    One of Edwards’ arguments is that the similarities between
    the O’Grady investigation and the investigations in which
    Kofoed was found to have fabricated evidence show that Kofoed
    fabricated evidence in the O’Grady investigation. Accordingly,
    we review the facts of those investigations in which Kofoed
    was found to have fabricated evidence, specifically, the inves-
    tigation into the murders of Wayne and Sharmon Stock and the
    investigation into the disappearance and presumed murder of
    a 4-year-old child.8 We then review the evidence surrounding
    the investigation in this case.
    (i) Investigation Into
    Stocks’ Murders
    In April 2006, the Stocks were found murdered in their rural
    home outside Murdock, Nebraska. CSI processed the crime
    scene. After witnesses reported a tan sedan parked 1 mile from
    the Stocks’ home within hours of the murder, law enforcement
    followed up on any family member, friend, or associate of the
    Stocks who might have owned a similar vehicle. Family mem-
    bers identified William Sampson, Sharmon Stock’s nephew, as
    a person owning a tan Ford vehicle.
    After a thorough search of Sampson’s vehicle, investigators
    failed to find any evidence of blood or other forensic evidence.
    The vehicle was moved to CSI’s impound lot.
    One week after the murders, law enforcement obtained a
    false confession from another family member, Matthew Livers.
    After over 10 hours of questioning, Livers claimed that he
    committed the murders, that he used Sampson’s vehicle, and
    8
    State v. Kofoed, supra note 1.
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    that his cousin was also involved. Livers recanted his statement
    the next day.
    After Kofoed learned of Livers’ confession, Kofoed and
    another investigator, Clelland Retelsdorf, reexamined Sampson’s
    vehicle. While Retelsdorf was searching the back seat, Kofoed
    claimed to have collected a positive presumptive test for blood
    from the front area of the vehicle. Retelsdorf then attempted
    to collect four or five samples with a cotton swab in that area,
    but the results were negative for blood. Retelsdorf and Kofoed
    decided that each would write a report stating what he did, not
    what the other investigator did. Retelsdorf completed his report
    that day; it did not reflect that Kofoed was present during the
    search. Kofoed’s report was not completed until 11 days after
    the search. Kofoed’s report reflected that Kofoed had obtained
    a filter paper swab on the day the report was filled out, rather
    than 11 days prior; it did not reflect that Retelsdorf swabbed
    the same area with negative results.
    Kofoed’s filter paper swab was taken to the University of
    Nebraska Medical Center’s DNA laboratory (UNMC), and the
    blood was matched to the DNA profile of Wayne Stock. This
    evidence corroborated Livers’ false confession. One month
    later, Livers and his cousin were exonerated; a couple from
    Wisconsin confessed to murdering the Stocks.9 The charges
    against Livers and his cousin were eventually dismissed.
    In 2010, Kofoed was convicted of tampering with evi-
    dence during the Stocks’ investigation.10 At the time of Wayne
    Stock’s autopsy, CSI had taken possession of a bloody shirt
    worn at the time of the murder. It was placed in a bag, sealed,
    and stored in CSI’s biohazard room. The Federal Bureau of
    Investigation (FBI) later found that the bag containing the
    shirt had been unsealed, then resealed with Kofoed’s initials
    on the tape.
    9
    See State v. Fester, 
    274 Neb. 786
    , 
    743 N.W.2d 380
    (2008), and State v.
    Reid, 
    274 Neb. 780
    , 
    743 N.W.2d 370
    (2008).
    10
    See State v. Kofoed, supra note 1.
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    (ii) Investigation Into Disappearance
    and Presumed Murder of
    Brendan Gonzalez
    Four-year-old Brendan Gonzalez (Brendan) was reported
    missing in January 2003. As part of the investigation, CSI
    was called to process a suspected crime scene—the garage of
    Brendan’s home. Kofoed and Retelsdorf went to the scene.
    They found several droplets of blood on the floor of the garage
    and on Brendan’s bike and a recliner rocker located in the
    garage. Most, but not all, of the items suspected of containing
    biological evidence were submitted to UNMC. The items sub-
    mitted for DNA testing showed that the blood on several of the
    items were consistent with the DNA profile of Brendan. Other
    samples were mixed.
    Despite an extensive search, law enforcement officers
    were unable to locate Brendan’s body. But on June 2, 2003,
    Brendan’s father confessed that he killed Brendan and dis-
    posed of the body in a Dumpster in Bellevue, Nebraska.
    Kofoed and Retelsdorf then searched the Dumpster. They
    collected swabs from the Dumpster and reported a positive
    presumptive test for blood. They also collected some debris
    from the Dumpster.
    On June 5, 2003, Kofoed filled out a property report list-
    ing the items that he and Retelsdorf had collected from the
    Dumpster. The report reflected that Kofoed had swabbed one
    of the items with filter paper. All of the items, except the item
    Kofoed swabbed, were submitted for DNA testing. However,
    those items were never tested for DNA, because the prelimi-
    nary screening tests at UNMC were all negative for blood. But
    Kofoed’s filter paper swab and the cotton swabs collected from
    the Dumpster were tested. The cotton swabs from the Dumpster
    were badly degraded, with barely reportable alleles. However,
    Kofoed’s filter paper swabs produced a complete DNA profile
    without any evidence of degradation or contamination. The
    results were consistent with Brendan’s DNA profile, corrobo-
    rating his father’s confession.
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    The FBI later suspected Kofoed of fabricating evidence in
    that case. In the FBI’s own laboratory, it tested the item that
    Kofoed claimed to have swabbed and never submitted for DNA
    testing. It also sent the item to a private laboratory. No analyst
    from either laboratory found any DNA material. At Kofoed’s
    criminal trial, experts testified that it was practically impos-
    sible to have collected Brendan’s complete DNA profile from
    the Dumpster under the environmental factors that were pres-
    ent, i.e., exposure to heat and humidity for 21 weeks (approxi-
    mately 5 months).
    The issue of whether Kofoed planted evidence in Brendan’s
    murder investigation was the subject of an extensive rule
    40411 hearing in State v. Kofoed.12 The district court found
    that the State had proved by clear and convincing evidence
    that Kofoed had fabricated evidence in that investigation. We
    affirmed that finding in Kofoed.
    (iii) O’Grady Investigation
    We turn now to the O’Grady investigation. Because Edwards
    claims that Kofoed fabricated blood evidence on the shovel,
    garden shears, trunk gasket, and trunk roof, all of which were
    located in Edwards’ car, we focus on the search of Edwards’
    car. Edwards also claims that the blood evidence on the sword
    was fabricated, so we review the discovery and the processing
    of the sword as well.
    a. Search of Edwards’ Car
    For the evidence collected from Edwards’ car, Kofoed served
    as the State’s primary foundational witness at Edwards’ trial in
    March 2007. He testified that Edwards’ car was to be searched
    twice. Joshua Connelly, a forensic scientist for the Douglas
    County sheriff’s office, was to perform the first search, and
    then William Kaufhold, another CSI investigator, was to do a
    second, more detailed search later.
    11
    Neb. Evid. R. 404, Neb. Rev. Stat. § 27-404 (Cum. Supp. 2014).
    12
    See State v. Kofoed, supra note 1.
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    Kofoed testified that he had a chance to look at the vehicle
    before it was transported to the “sally port” where Connelly
    performed his search. Kofoed testified that he documented the
    contents, that the processing of the vehicle was photographed,
    and that the photographs “fairly and accurately depicted
    as [he] recalled them to be at the time that [he] observed
    that vehicle and processed that vehicle.” Those photographs
    included photographs of the front and back seats of Edwards’
    car, a photograph of the garden shears removed from the car,
    and a photograph of the trunk.
    Connelly and Kaufhold provided deposition testimony in
    lieu of testifying at the evidentiary hearing. Connelly confirmed
    that he conducted a preliminary search on May 17, 2006, and
    testified that he conducted the search by himself. Kaufhold
    testified that he and Kofoed conducted a search of the trunk
    area of the car on May 18, in which blood evidence was found
    on the trunk gasket and metal piece of the roof of the trunk.
    Kaufhold also testified that he conducted a third search of the
    car involving only the interior on May 19. Kaufhold testified
    that he conducted the third search by himself.
    i. Connelly’s Preliminary Search
    Connelly testified that he was called around midnight on
    May 17, 2006, and was told that his services were needed at
    the Edwards’ residence. Sometime after Connelly arrived at
    the scene, Edwards’ car was transported from the garage of the
    residence to a sally port for examination. Connelly went to the
    sally port and took photographs of the exterior and interior of
    the car.
    Connelly testified that he believed he was the first person to
    examine Edwards’ car; however, Edwards argues that Christine
    Gabig’s testimony and her photographs suggest otherwise.
    Gabig, another forensic scientist for the Douglas County sher-
    iff’s office, testified that she was the first CSI investigator who
    was called about the O’Grady investigation. When she showed
    up at the scene, Omaha Police Department detectives were
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    already at work. Gabig took a series of photographs of the
    scene, separate from Connelly’s photographs of the car. One
    of Gabig’s photographs showed the open trunk of Edwards’
    car while it was parked in the garage. Gabig testified that she
    did not open the trunk and that she did not know who did; it
    was open when she began documenting the scene. Another of
    Gabig’s photographs showed a shovel leaning against a pole
    or pillar in the garage. Gabig stated that she had no personal
    knowledge of where the shovel had been before it appeared in
    the photograph, but that she was told that Omaha police detec-
    tives had removed it from Edwards’ car.
    Connelly had also taken a photograph of the shovel. The
    photograph showed the shovel in the back seat of the car with
    a paper bag over the “business end.” Connelly testified that
    when the shovel was first observed, it was not in the car and
    did not have a paper bag over it. He stated that the shovel had
    been propped up against a pillar inside the garage and that
    someone had put a bag over it and put it in the back of the
    car. When asked if he had seen any red stains on the shovel,
    Connelly testified that he could not recall. He testified that
    if he would have seen any red stains, he would have docu-
    mented them, but Connelly did not document any stains on
    the shovel.
    Gabig later examined the shovel, but did not report seeing
    any blood evidence. At Edwards’ trial, Kofoed testified that
    he transported a swab of the shovel, which was collected by
    another CSI investigator at Kofoed’s direction, to UNMC on
    May 30, 2006. The item tested positive for DNA and was con-
    sistent with that of O’Grady’s.
    In addition to the passenger compartment of the car,
    Connelly also searched the trunk. He documented how the
    trunk appeared when he first opened the lid. He then began to
    remove items in “layers,” documenting the scene before and
    after he removed each item. When Connelly came across the
    garden shears, he photographed them and bagged them sepa-
    rately from other evidence.
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    One handle of the garden shears had a red mark on it, and
    Connelly documented the red mark in a photograph. Connelly
    testified that he did not attempt to swab the garden shears or
    determine whether the red mark was blood, because he thought
    it would be better to send the entire item to UNMC rather than
    consume the small sample by conducting a presumptive test.
    Kofoed took the garden shears to UNMC for DNA testing on
    May 22, 2006. The garden shears tested positive for DNA and
    were consistent with that of O’Grady’s.
    When Connelly was asked if he recalled finding any blood
    evidence at any point during his search, Connelly stated that he
    did not find any blood, but that he could not recall if he was
    specifically looking for blood. His task was “to document the
    vehicle, document the contents of the vehicle, and collect any-
    thing that could be of evidentiary value. It wasn’t to look for
    trace evidence. It wasn’t to look specifically for blood.”
    ii. Kaufhold and Kofoed’s
    Search of Trunk
    The next day, May 18, 2006, Kaufhold and Kofoed con-
    ducted the second search of the car. Kaufhold’s report reflects
    that Kofoed advised him to concentrate on the trunk and rear
    exterior of Edwards’ car. This search led to the discovery of
    bloodstains on the roof of the trunk and on the rubber gasket.
    A portion of the roof was then cut out of the car with a jigsaw,
    and the rubber gasket was removed. Kaufhold testified that he
    was the first to report finding what appeared to be a potential
    bloodstain in the trunk and that the first discovery was on
    the gasket. Kofoed transported the gasket and metal plate to
    UNMC for testing. Both items tested positive for DNA and
    were consistent with that of O’Grady’s.
    b. Sword
    Investigators found swords and knives in Edwards’ closet.
    Those items were stored in CSI’s biohazard room from May
    17 to 31, 2006. On May 31, Kofoed directed Gabig to process
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    the swords and knives for any blood or trace evidence. Gabig
    testified that the tip of one of the swords produced a positive
    presumptive blood test. However, the presumptive test done
    on the sheath of the sword came back negative. A deputy
    then transported the sword to UNMC for DNA testing. The
    sword tested positive for DNA and was consistent with that
    of O’Grady’s.
    The district court found that there was “little to no evi-
    dence” Kofoed fabricated any evidence in this case and that
    even assuming arguendo that there existed some possibility
    that some of the evidence was fabricated, Edwards failed
    to offer any evidence that the State knowingly used fabri-
    cated evidence.
    (b) State’s Knowing Use of
    Fabricated Evidence
    Although there were at least three prosecutors involved
    in Edwards’ trial, Edwards chose to present the testimony
    of only one at the evidentiary hearing, who testified that he
    did not suspect Kofoed of fabricating evidence in Edwards’
    case and was not aware at the time of Edwards’ trial that
    Kofoed was suspected of fabricating evidence in the Stock
    case. Edwards did not offer any evidence to rebut the prosecu-
    tor’s testimony. The district court found that Edwards did not
    establish that the State knowingly used false evidence to secure
    Edwards’ convictions.
    On appeal, Edwards argues that he was not required to
    prove that the prosecutor knew about Kofoed’s fabricating
    evidence, because the prosecutor is not the only agent of
    the State. Instead, Edwards asserts that it was sufficient that
    he proved Kofoed, acting as a state agent, fabricated blood
    evidence and provided the foundation for that evidence as a
    witness at Edwards’ trial. In support of his argument, Edwards
    cites Edwards II, wherein we stated, “At an evidentiary hear-
    ing, it is Edwards’ burden to establish that state officers
    involved in the investigation or prosecution knowingly used
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    false evidence to secure his conviction[s].”13 Relevant to this
    appeal, Edwards claims that Kofoed fabricated the blood evi-
    dence on the items recovered during the search of Edwards’
    car: the shovel, garden shears, trunk gasket, and trunk roof.
    Edwards also claims that Kofoed planted blood evidence
    on the sword while it was stored in CSI’s biohazard room.
    Edwards does not claim and has never claimed that Kofoed
    fabricated any of the evidence collected from his bedroom,
    with the exception of the sword.
    (c) Conflict of Interest
    We turn now to the evidence relevant to the issue of whether
    Edwards’ trial counsel operated under a conflict of interest.
    Although we do not consider whether Edwards’ appellate
    counsel labored under a conflict of interest, we recite the facts
    surrounding Lefler’s subsequent representation of Kofoed,
    because it could be argued that such facts are relevant to the
    determination of whether Lefler had a conflict of interest at the
    time of trial.
    In Edwards II, we explained Edwards’ allegations concern-
    ing the purported conflict of interest as they were set forth in
    Edwards’ original postconviction motion, as well as some of
    the evidence supporting those allegations:
    Edwards alleged that by September 2006, it was clear
    that Kofoed had planted blood evidence while investigat-
    ing the Stocks’ murders. He alleged that a reasonably
    diligent defense attorney would have known Kofoed was
    suspected of planting evidence while investigating the
    Stocks’ murders. And he alleged that Lefler knew of these
    allegations because of his friendship with Kofoed. He
    claimed that Lefler repeatedly cited his friendship with
    Kofoed during his representation of Kofoed in the federal
    and state trials.
    13
    Edwards II, supra note 
    1, 284 Neb. at 403
    , 821 N.W.2d at 699.
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    In fact, this record supports Edwards’ contention that
    Lefler had a personal relationship with Kofoed. Before
    trial, Edwards moved to exclude Kofoed’s testimony
    because of his televised demonstration of blood splatters.
    In arguing for the motion, Lefler referred to his friendship
    with Kofoed:
    “I’m going to ask the Court to prevent Dave Kofoed,
    who’s a friend of mine and I like him a ton . . . I’m going
    to ask you to prevent him from testifying in this particu-
    lar case as a consequence of the TV demonstration that
    he gave. . . .
    ....
    “. . . [W]hat we are worried about for . . . Edwards is
    that there’s going to be some juror who halfway through
    the trial is going to remember seeing this TV clip.
    “And Dave Kofoed’s a great—a nice man, smart guy.
    And so I’m just worried that halfway through the trial it
    clicks in some juror’s mind.”14
    Other evidence in support of Edwards’ contention included
    statements made by Lefler to Kofoed in a deposition which
    took place in October 2006, prior to Edwards’ trial, including:
    Dave, I always feel awkward interviewing you, cross-
    examining you, because we’ve become friends. I’ve used
    you, I’m a special prosecutor, but we both have a job to
    do and I’m sure you understand that.
    ....
    . . . And I’m embarrassed to ask this question because
    we are friends, but this is a murder investigation: Have
    you before been reprimanded by either the [Omaha Police
    Department] or the sheriff’s department while you’ve
    been in their employ?”
    Sometime after the remand, Edwards learned that Lefler
    began to represent Kofoed in June 2008 while still represent-
    ing Edwards on direct appeal. Although the district court
    14
    
    Id. at 407-08,
    821 N.W.2d at 702.
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    refused to consider whether Edwards’ appellate counsel labored
    under a conflict of interest in its order denying postconviction
    relief, it allowed Edwards to “make his record” at the eviden-
    tiary hearing.
    Lefler was the only witness called at the evidentiary hearing
    to testify about the alleged conflict of interest. Lefler testified
    that at the time of Edwards’ trial, he knew who Kofoed was,
    but adamantly denied any friendship with him. Lefler knew of
    Kofoed because Kofoed, had testified in a few cases in which
    Lefler had represented other individuals. Kofoed had also testi-
    fied for Lefler in a case where Lefler served as a special pros-
    ecutor. But Lefler explained that he and Kofoed never went out
    for dinner or drinks together or did any other kind of “friend-
    related activity.”
    As for Lefler’s statements during Kofoed’s deposition and
    during the trial that tended to indicate a friendship between
    Lefler and Kofoed, Lefler explained that this was a trial strat-
    egy that he had used throughout his career with witnesses other
    than Kofoed. He explained:
    [I]f I’m nice to a cop, the cop’s going to tell me some-
    thing he or she might not ordinarily tell me, and that’s a
    benefit to my client. And so what I should have said, you
    know, now that I have been — now that my feet has [sic]
    been held to the fire, the Supreme Court saying that I was
    a jerk because I was friends with Dave Kofoed, I should
    have said at that time he was a professional acquaintance
    of mine.
    Lefler also adamantly denied having any knowledge of oth-
    ers’ suspicions that Kofoed was planting evidence at the time
    he filed Edwards’ direct appeal or any time prior. He testi-
    fied that he did not learn of the allegations against Kofoed
    until June 2008, when Kofoed called him and requested a
    visit. Lefler testified that at that time, he had “no clue” why
    Kofoed called him or wanted to meet. When they met, Kofoed
    informed Lefler that the FBI had interviewed him about
    the Stocks’ murder investigation and that an agent had told
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    Kofoed that his story did not “‘smell right.’” Lefler agreed to
    represent Kofoed a couple of days later.
    Lefler testified that before he agreed to represent Kofoed, he
    considered whether that representation would cause a conflict
    of interest. Lefler testified that he researched the issue and even
    reached out to the Nebraska State Bar Association. A member
    of the Counsel for Discipline advised him that “‘the film’s
    in the can,’” meaning that Lefler’s representation of Kofoed
    would not affect Edwards’ case, even though there were still
    briefs to be written for Edwards on direct appeal. Lefler also
    explained that it was mainly his cocounsel who wrote the briefs
    and that she was the one who argued before this court.
    After the evidentiary hearing, the district court determined
    that Edwards’ trial counsel did not operate under a conflict of
    interest and, therefore, rejected his ineffective assistance of
    counsel claim.
    III. ASSIGNMENTS OF ERROR
    Edwards assigns, combined and restated, that the district
    court erred in (1) refusing to grant leave to amend his original
    postconviction motion; (2) failing to find that Edwards’ coun-
    sel had an actual conflict of interest, in violation of the 6th and
    14th Amendments to the U.S. Constitution; and (3) failing to
    find that the State knowingly used fabricated evidence, in vio-
    lation of Edwards’ due process rights.
    IV. STANDARD OF REVIEW
    [1] An appellate court reviews a refusal to grant leave to
    amend for abuse of discretion.15
    [2] A defendant requesting postconviction relief must
    establish the basis for such relief, and the factual findings
    of the district court will not be disturbed unless they are
    clearly erroneous.16
    15
    State v. Mata, 
    280 Neb. 849
    , 
    790 N.W.2d 716
    (2010).
    16
    State v. Benzel, 
    269 Neb. 1
    , 
    689 N.W.2d 852
    (2004); State v. McHenry,
    
    268 Neb. 219
    , 
    682 N.W.2d 212
    (2004).
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    [3] Appellate review of a claim of ineffective assistance of
    counsel is a mixed question of law and fact. When review-
    ing a claim of ineffective assistance of counsel, an appellate
    court reviews the factual findings of the lower court for clear
    error. With regard to the questions of counsel’s performance
    or prejudice to the defendant as part of the two-pronged test
    articulated in Strickland v. Washington,17 an appellate court
    reviews such legal determinations independently of the lower
    court’s decision.18
    V. ANALYSIS
    [4] The first issue is whether the district court abused its
    discretion in overruling Edwards’ motion to amend his original
    postconviction motion. An appellate court reviews a refusal to
    grant leave to amend for abuse of discretion.19 A judicial abuse
    of discretion exists when the reasons or rulings of a trial judge
    are clearly untenable, unfairly depriving a litigant of a sub-
    stantial right and denying just results in matters submitted for
    disposition.20 We need not consider whether the district court’s
    reason for denying the motion for leave to amend here was
    tenable, because we conclude that the ruling did not deprive
    Edwards of a substantial right or just result and, therefore,
    could not have been an abuse of discretion.
    We must assume that the substantial right that Edwards
    claims is his right—if such right exists—to be heard on
    his “new” claims. But assuming that right exists (i.e., that
    Edwards did not waive those claims by failing to assert them
    17
    Strickland v. Washington, 
    466 U.S. 668
    , 
    104 S. Ct. 2052
    , 
    80 L. Ed. 2d 674
          (1984),
    18
    State v. Benzel, supra note 16.
    19
    State v. Mata, supra note 15.
    20
    Arens v. NEBCO, Inc., 
    291 Neb. 834
    , 
    870 N.W.2d 1
    (2015); Kercher v.
    Board of Regents, 
    290 Neb. 428
    , 
    860 N.W.2d 398
    (2015); Richards v.
    McClure, 
    290 Neb. 124
    , 
    858 N.W.2d 841
    (2015); Despain v. Despain, 
    290 Neb. 32
    , 
    858 N.W.2d 566
    (2015); Fox v. Whitbeck, 
    286 Neb. 134
    , 
    835 N.W.2d 638
    (2013).
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    in a prior appeal in which he had a motive and opportunity
    to do so21), the district court’s ruling would not have deprived
    Edwards of that right. At the time of filing his motion
    to amend the postconviction proceeding, assuming without
    deciding that Edwards was not procedurally or time barred,
    Edwards could have filed a second postconviction proceed-
    ing alleging the claims he attempted to raise on remand. We
    have held that a subsequent postconviction motion is allowed
    when the motion affirmatively shows on its face that the
    basis relied upon for relief was not available at the time of
    the filing of the prior motion.22 Edwards asserts that such is
    the case here. Accordingly, we conclude that Edwards could
    have filed a second postconviction proceeding asserting the
    claims that he alleged he was unable to raise in the first post-
    conviction proceeding. Therefore, the district court did not
    deprive Edwards of a substantial right or just result and did
    not abuse its discretion by denying his motion to amend his
    first postconviction claim. Edwards’ first assignment of error
    is without merit.
    The second issue is whether the district court erred in deter-
    mining that Edwards’ trial counsel did not operate under an
    actual conflict of interest. In Edwards II, we set forth the rel-
    evant rules for resolving this claim:
    The right to effective assistance of counsel entitles the
    accused to his or her counsel’s undivided loyalties, free
    from conflicting interests. But a defendant who raised
    no objection at trial must show that an actual conflict of
    interest existed and that the conflict adversely affected
    his lawyer’s performance. If the defendant satisfies this
    requirement, the defendant is not required to show that
    the Sixth Amendment violation had a probable effect on
    the outcome of the trial to obtain relief.
    21
    See County of Sarpy v. City of Gretna, 
    276 Neb. 520
    , 
    755 N.W.2d 376
          (2008).
    22
    See State v. Newton, 
    202 Neb. 361
    , 
    275 N.W.2d 297
    (1979).
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    In 2002, in Mickens v. Taylor, [
    535 U.S. 162
    , 172 n.5,
    
    122 S. Ct. 1237
    , 152 L. Ed. Ed. 2d 291 (2002),] the U.S.
    Supreme Court stated that the “actual conflict” inquiry
    is not separate from a performance inquiry: “An ‘actual
    conflict,’ for Sixth Amendment purposes, is a conflict of
    interest that adversely affects counsel’s performance.”
    Thus, we have stated that when an actual conflict exists,
    there is no need to show that the conflict resulted in
    actual prejudice to the defendant (meaning no need to
    show the outcome of the proceeding was affected). But
    the substantive analysis is the same. If the defendant
    shows that his or her defense counsel faced a situation in
    which conflicting loyalties pointed in opposite directions
    and that his or her counsel acted for the other client’s
    interests and against the defendant’s interests, prejudice
    is presumed.23
    But the district court found that Lefler did not have an actual
    conflict of interest at the time he served as Edwards’ trial coun-
    sel. It reasoned that “[t]here is no evidence that any relation-
    ship existed between Kofoed and Lefler before June, 2008.”
    Because there was some evidence of a relationship, we agree
    with Edwards that this latter statement by the district court was
    an overstatement. However, we find that Edwards failed to
    prove by a preponderance of the evidence that his trial counsel
    operated under a conflict of interest.
    The record simply does not support a finding that Lefler
    had such a loyalty to Kofoed that would have tempted him
    at trial to act against Edwards’ interests. Although Lefler’s
    statements at the deposition and Edwards’ trial suggested
    some sort of relationship between Lefler and Kofoed, Lefler
    clarified at the evidentiary hearing that this relationship was
    strictly professional. Lefler testified that he and Kofoed never
    went out to dinner or out for drinks or any other kind of activ-
    ity typically done with friends. No evidence was presented
    23
    Edwards II, supra note 
    1, 284 Neb. at 406-07
    , 821 N.W.2d at 701.
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    at the evidentiary hearing to rebut Lefler’s testimony, except
    that Edwards offered depositions and trial testimony wherein
    Lefler and Kofoed made statements suggesting that they
    were “friends,” a term which has lost meaning in the age of
    “Facebook” and other social networking sites. Even assum-
    ing that Lefler had any loyalty to Kofoed, Edwards fails to
    point to any situation during or prior to his trial in which
    Lefler acted in Kofoed’s interest and against Edwards’ inter-
    est. We therefore conclude that the district court did not err
    in finding that Edwards’ trial counsel did not operate under
    a conflict of interest. Edwards’ second assignment of error is
    without merit.
    The third and final issue in this case concerns whether
    the State knowingly used fabricated evidence in violation of
    Edwards’ due process rights. Because Edwards had the burden
    to prove by a preponderance of the evidence that Kofoed fab-
    ricated evidence in his case,24 we interpret the district court’s
    statement that there was “little to no evidence that Kofoed
    fabricated evidence in this case” as a finding that Kofoed did
    not fabricate evidence in this case. The district court also found
    that there was no evidence that the State knowingly used false
    evidence to secure Edwards’ convictions. We review each of
    these factual findings for clear error.25
    The district court did not commit clear error in finding that
    Kofoed did not fabricate evidence in Edwards’ case. Edwards
    does not offer any direct evidence supporting his allegations,
    and the circumstantial evidence is limited. Edwards relies
    heavily on the fact that Kofoed has been found to have fab-
    ricated evidence in two other investigations—the Stocks’ and
    Brendan’s murder investigations. He claims that the simi-
    larities between those investigations and the investigation here
    show that Kofoed also fabricated evidence here. But contrary
    24
    See, State v. Wagner, 
    271 Neb. 253
    , 
    710 N.W.2d 627
    (2006); State v.
    Curtright, 
    262 Neb. 975
    , 
    637 N.W.2d 599
    (2002).
    25
    Edwards II, supra note 1.
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    to Edwards’ argument, we interpret the evidence in those
    investigations as evidence that Kofoed did not fabricate evi-
    dence here.
    [5] We consider Kofoed’s modus operandi. Modus operandi
    is a characteristic method used in the performance of repeated
    criminal acts.26 “Modus operandi means, literally, ‘method of
    working,’ and refers to a pattern of criminal behavior so dis-
    tinctive that separate crimes are recognizable as the handiwork
    of the same wrongdoer.”27 In the Stocks’ and Brendan’s mur-
    der investigations, Kofoed’s modus operandi was not to plant
    the victim’s blood on the physical evidence; rather, Kofoed’s
    modus operandi had been to swab blood known to be the vic-
    tim’s and then submit it for DNA testing, falsely claiming to
    have swabbed physical evidence connected to the defendant,
    whom Kofoed believed committed the crime. With respect to
    the blood evidence on the sword, trunk gasket, and trunk roof,
    Kofoed did not claim to take swabs of those items and submit
    them to UNMC; instead, those items were taken directly to
    UNMC for the DNA analyst to swab. The shovel was swabbed
    by another CSI investigator and transported to UNMC by
    Kofoed. But there is no evidence that the shovel was later
    tested and found to have no DNA evidence on it. Thus, we find
    that Edwards’ argument concerning the similarities in the three
    investigations is misplaced.
    The only relevance of the Stocks’ and Brendan’s murder
    investigations is that they show Kofoed’s propensity to fabri-
    cate evidence. But a person’s propensity to commit an act is
    insufficient by itself to prove that the person committed the act
    in the instant case. In other words, Kofoed may have fabricated
    evidence in those cases, but it does not mean he fabricated
    evidence here.
    26
    See State v. Craig, 
    219 Neb. 70
    , 
    361 N.W.2d 206
    (1985).
    27
    
    Id. at 77,
    361 N.W.2d at 213 (quoting People v. Barbour, 
    106 Ill. App. 3d 993
    , 
    436 N.E.2d 667
    , 
    62 Ill. Dec. 641
    (1982)).
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    Edwards also suggests that Kofoed’s testimony at the trial
    shows that he had the opportunity to plant the evidence. But,
    as the district court correctly noted, although Kofoed testified
    that he had the chance to look at Edwards’ car before it was
    transported to the sally port, there was no evidence that Kofoed
    had access to the car without the observation of others. To the
    contrary, Gabig testified that when she arrived shortly after
    CSI’s team, Omaha police and Douglas County sheriff’s office
    personnel were already at work there.
    Besides lack of opportunity, we also note a lack of motive
    to fabricate evidence in this case. In the Stocks’ and Brendan’s
    murder investigations, there was little more than a confession
    connecting the crime to the person that Kofoed believed com-
    mitted it. Here, O’Grady’s blood was all over Edwards’ bed-
    room. More than half of the bottom of Edwards’ mattress was
    covered in O’Grady’s blood. There was blood on the bedding,
    headboard, nightstand, and clock radio. There was blood on the
    bookcase, laundry baskets, and a chair in the room. There was
    also blood on the towels in a trash bag in the garage. Edwards’
    explanation as to how the blood happened to be present in
    all those places was implausible. With such an overwhelming
    amount of evidence, we see no reason for Kofoed to be moti-
    vated to fabricate evidence in this case.
    Nevertheless, Edwards suggests to this court that Kofoed
    transferred blood from Edwards’ mattress to the sword, shovel,
    garden shears, trunk gasket, and trunk roof. Edwards’ theory
    rests solely on Connelly’s testimony that this kind of transfer
    is hypothetically possible. But there was no evidence that such
    transfer was actually done in this case. Edwards notes that the
    blood spatter expert who testified at Edwards’ trial was “never
    asked whether . . . the sample might have been diluted, or
    [about] the period of time the stain had been on the metal plate
    before removal.”28 This statement incorrectly assumes that it
    is the State’s burden to prove that Kofoed did not fabricate
    28
    Brief for appellant at 32.
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    evidence; to the contrary, it is Edwards’ burden to prove that
    he did.29
    We conclude that the district court did not err when it deter-
    mined that Kofoed did not fabricate evidence in this case.
    In order for the State to knowingly use fabricated evidence,
    there must be fabricated evidence. Because we affirm the dis-
    trict court’s finding that Kofoed did not fabricate evidence in
    this case, and because there is no evidence that anyone else
    fabricated evidence in this case, we conclude that the district
    court did not err in finding that Edwards failed to prove that
    the State knowingly used fabricated evidence in order to obtain
    his convictions.
    VI. CONCLUSION
    The district court did not deprive Edwards of a substantial
    right or just result when it overruled his motion to amend
    his original postconviction motion. Edwards could have filed
    a second postconviction motion alleging the same claims.
    Therefore, the district court did not abuse its discretion in
    overruling Edwards’ motion to amend. We also conclude that
    the district court did not err in finding that Edwards’ trial
    counsel did not operate under a conflict of interest. It did
    not err in finding that Kofoed did not fabricate evidence in
    this case and that the State did not knowingly use false evi-
    dence to obtain Edwards’ convictions. We therefore affirm
    the district court’s denial of Edwards’ motion for postconvic-
    tion relief.
    A ffirmed.
    K elch, J., not participating.
    29
    See Edwards II, supra note 1.
    Stacy, J., concurring.
    I concur, and write separately not to express disagreement
    with this court’s analysis, but to suggest another basis for the
    correct conclusion that the district court did not err in denying
    Edwards’ request to amend his postconviction motion after
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    remand. In my opinion, the district court did not err, because
    Nebraska’s postconviction statutes do not allow a prisoner to
    amend his or her postconviction motion after the district court
    has entered an order denying postconviction relief without an
    evidentiary hearing.1
    As the majority opinion notes, in State v. Edwards
    (Edwards II),2 we concluded that only two of the many issues
    raised in Edwards’ postconviction motion warranted an evi-
    dentiary hearing. As to Edwards’ other postconviction claims,
    we affirmed the district court’s order denying postconviction
    relief. We remanded the cause for an evidentiary hearing on
    only two of the postconviction claims. After the mandate was
    spread on remand, Edwards sought leave to amend his post-
    conviction motion to assert additional grounds for relief. The
    district court denied the motion to amend, and Edwards assigns
    error to this ruling.
    In State v. Robertson,3 we observed that postconviction
    relief under Neb. Rev. Stat. § 29‑3001 (Cum. Supp. 2014)
    is a very narrow category of relief,4 subject to specific statu-
    tory pleading requirements.5 And we held that nothing in
    Nebraska’s postconviction statutes authorizes a prisoner to
    amend a postconviction pleading after the court has deter-
    mined it is insufficient to warrant an evidentiary hearing.6 We
    concluded that Nebraska’s postconviction statutes simply do
    not contemplate the opportunity to amend a pleading after the
    court determines the pleading is insufficient to necessitate an
    evidentiary hearing.7
    1
    State v. Robertson, post p. 29, ___ N.W.2d ___ (2016).
    2
    State v. Edwards, 
    284 Neb. 382
    , 
    821 N.W.2d 680
    (2012).
    3
    Robertson, supra note 1.
    4
    State v. Payne, 
    289 Neb. 467
    , 
    855 N.W.2d 783
    (2014).
    5
    Robertson, supra note 1.
    6
    Id.
    7
    
    Id. - 28
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    Nebraska Supreme Court A dvance Sheets
    294 Nebraska R eports
    STATE v. EDWARDS
    Cite as 
    294 Neb. 1
    Edwards did not seek leave to amend his postconviction
    motion until after the court had denied an evidentiary hearing
    on his postconviction claims, after he had appealed from that
    final order,8 and after the matter had been remanded to the
    district court with directions to conduct an evidentiary hear-
    ing on only two of the claims. Given that procedural posture,
    it was not error for the district court to deny Edwards’ motion
    to amend.
    Cassel, J., joins in this concurrence.
    8
    State v. Banks, 
    289 Neb. 600
    , 
    856 N.W.2d 305
    (2014) (order denying
    evidentiary hearing on postconviction is final, appealable order).