People v. Armas CA4/1 ( 2022 )


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  • Filed 8/31/22 P. v. Armas CA4/1
    NOT TO BE PUBLISHED IN OFFICIAL REPORTS
    California Rules of Court, rule 8.1115(a), prohibits courts and parties from citing or relying on opinions not certified for publication or
    ordered published, except as specified by rule 8.1115(b). This opinion has not been certified for publication or ordered published for
    purposes of rule 8.1115.
    COURT OF APPEAL, FOURTH APPELLATE DISTRICT
    DIVISION ONE
    STATE OF CALIFORNIA
    THE PEOPLE,                                                                  D079728
    Plaintiff and Respondent,
    v.                                                                (Super. Ct. No. FWV18003945)
    ANTONIO GERMAN ARMAS,
    Defendant and Appellant.
    APPEAL from an order of the Superior Court of San Bernardino
    County, Katrina West, Judge. Affirmed.
    Rob Bonta, Attorney General, Charles C. Ragland, Senior Assistant
    Attorney General, Arlene A. Sevidal and Andrew Mestman, Deputy
    Attorneys General, for Plaintiff and Respondent.
    Wallin & Klarich and Stephen D. Klarich for Defendant and Appellant.
    Antonio German Armas appeals the order placing him on probation for
    two years after a jury found him guilty of possession and distribution of child
    pornography. He claims the evidence was insufficient to support the verdicts,
    the trial court prejudicially erred by failing to instruct the jury on momentary
    possession and unanimity, and the cumulative effect of these errors deprived
    him of a fair trial. We disagree and affirm the order.1
    I.
    BACKGROUND
    A.    Charges
    The People charged Armas with one count of distributing child
    pornography (Pen. Code, § 311.1, subd. (a); undesignated section references
    are to this code) and one count of possessing child pornography (§ 311.11,
    subd. (a)). Armas pled not guilty and demanded a jury trial.
    B.    Prosecution Case
    The People called several employees of the Police Department of the
    City of Fontana (the Department) to testify at trial.
    1.    Jeremy Hale
    In 2018, Jeremy Hale was the supervisor of the Department’s task force
    that investigated Internet crimes against children. He targeted the use of
    peer-to-peer computer networks, which allow Internet users to share
    electronic files, including movies and images. Such sharing reduces
    download times because a user may download portions of the same file from
    multiple other users simultaneously. Hale explained that a peer-to-peer
    network user must install a certain type of software (e.g., eMule, eDonkey, or
    Gnutella) on his computer to access the network. During the installation, the
    user must select whether or not to allow sharing of files with other network
    users. The software allows the user to search the network for particular
    content by inputting the title of a file or search terms. When the user finds
    1     The order granting probation, though technically not a judgment
    because it imposed no sentence (People v. McKenzie (2020) 
    9 Cal.5th 40
    , 46;
    People v. Karaman (1992) 
    4 Cal.4th 335
    , 344, fn. 9), is deemed to be a final
    judgment for purposes of appeal (Pen. Code, § 1237, subd. (a)).
    2
    what he is looking for, he may download the file onto his computer and view
    it.
    In April of 2018, Hale launched an investigation into online child
    pornography activity in San Bernardino County. Using a computer program
    developed by law enforcement to track the sharing of child pornography on
    peer-to-peer networks, a database of secure hash algorithms (SHAs)2 each of
    which is unique to an Internet file known to contain child pornography, and
    search terms common in files containing child pornography, Hale initiated a
    search for child pornography. A computer with an Internet protocol (IP)
    address later determined to belong to Armas’s residence responded to the
    search. Hale was able to download one complete video called “tropical cuties”
    and five partial videos. The “tropical cuties” video showed a girl between the
    ages of 10 and 12 years masturbating, performing fellatio, and engaging in
    group sexual intercourse. The partial videos had SHAs of known child
    pornography.
    On cross-examination, Hale acknowledged an IP address does not
    identify the specific person using a computer at that address, and it is
    possible for one person to hack into another person’s wireless Internet
    network and use the other’s IP address. Hale also acknowledged it is possible
    for a peer-to-peer network user unknowingly to download child pornography
    by searching for something else if a search term happens to be in the title
    given to a file containing child pornography.
    2     “A hash value is like a DNA signature for a digital file; it is statistically
    unique and never changes, so it provides a way to authenticate that two
    digital files are identical, even if the names are different.” (People v. Lund
    (2021) 
    64 Cal.App.5th 1119
    , 1125.)
    3
    2.    Marcia Pineda
    Marcia Pineda was a detective who investigated Internet crimes
    against children for the Department in 2018. On October 24 of that year, she
    executed a search warrant at Armas’s residence and found in the living room
    a desktop computer that was powered on. The eMule program was running
    and actively sharing content with other computers on the peer-to-peer
    network. Pineda turned off the firewall and attached a device that allowed
    her to search the computer’s hard drive. The device found several files with
    terms commonly used for child pornography, including “16-year-old pu**y
    series cute Lolita f**ked PTHC [preteen hardcore] stickhim hot underage
    teen girl,” “Russian teen Yana,” and “14-year-old while shame.” Pineda
    seized the computer and took it to the police station for forensic analysis.
    3.    Brandon Canary
    Brandon Canary worked as a computer forensics technician for the
    Department in 2018. He performed a full forensic analysis of the computer
    Pineda had seized from Armas’s residence. Canary searched the computer
    for terms commonly used in the names of files containing child pornography
    and found “hundreds of them.” More than 30 such files had been opened and
    viewed on media players, and some had been recently accessed. These files
    were accessed from user-created folder “C:users/Tony/downloads/eMule/junk”
    or “C:users/Tony/downloads/eMule/incoming.” The viewed files included,
    among others, “tropical cuties” and “PTHC 14yo immature Asian girl anal
    plus Blowjob 12yo 11yo 13yo anal PTSC cum shot Lolita 2012 preteen
    webcam_Xvid.avi.” In the eMule program, Canary found more than 50 files,
    approximately 20 of which had been shared with other users. For example,
    on October 6, 2018, a file named “Pedo asian kid box Thai lolita young pretty
    girl 13yo sweet make love.mpg” was requested 94 times, and 17 of the
    4
    requests were granted. On the same day, a file named “PTHC 10y Petite
    Thai Preteen Blowjob plus Pu**y F**k Plus cream Pie Rare OPVA KLVN
    090904 2014 kids Asian 9y 11y 12y 13y converted.mov” was requested eight
    times, and five of the requests were granted. Other files with similarly
    obscene names were shared earlier and later in the same month. The
    Internet search history of the computer listed more than 25 file names with
    terms commonly used for child pornography, including the “tropical cuties”
    video Hale had downloaded from Armas’s computer.
    Canary also examined the computer seized from Armas’s residence to
    determine whether it contained any child pornography in the “unallocated
    space,” to which deleted files would have been moved whenever the recycle
    bin was emptied. He found four images: (1) three naked preteen girls;
    (2) two naked preteen boys touching each other; (3) a naked girl on a bed; and
    (4) a toddler’s vagina with a large hand on it. Canary found no similar
    images in the allocated space of the computer; that space contained the file
    names that had been searched for, downloaded, and shared, as mentioned
    above, but no actual files. According to Canary, computer programs can
    “wipe out unallocated space” to prevent recovery of files that had been
    deleted and sent there.
    When cross-examined, Canary conceded a person inadvertently could
    download child pornography onto a computer by downloading a file the
    person did not know contained such material. He similarly conceded a peer-
    to-peer network user who unknowingly had child pornography on his
    computer could share the material with another user who requested it.
    Canary admitted he could not tell from his forensic examination what specific
    portion of a file was shared; he could tell only that the file had an SHA known
    for child pornography and that some portion of the file had been shared.
    5
    Canary did not know whether any of the four images he found in the
    unallocated space had been shared. He did not find on the computer any
    programs that permanently delete files, but “did not go deep into looking for
    those.”
    4.    Vanessa Waggoner
    Vanessa Waggoner was another member of the Department’s task force
    on Internet crimes against children in 2018. She read Armas his rights
    under Miranda v. Arizona (1966) 
    384 U.S. 436
     and then interviewed him
    after his computer had been seized. Armas said the computer was his and
    his wife also had access to it. He told Waggoner he had been using a peer-to-
    peer file sharing program for four to five years to access music, movies, and
    adult pornography. When looking for pornography, Armas used such search
    terms as “gorgeous,” “nice butt,” “petite teen,” and “cute.” He selected files
    from the search results and downloaded them. Armas said he never
    purposefully downloaded any child pornography, but he eventually became
    aware some of the downloaded files contained child pornography. He said he
    viewed the files, and if they contained child pornography, he deleted them or
    moved them to his designated “junk” folder.
    C.    Defense Case
    Armas did not testify at trial and called only one witness, digital
    forensics expert Ernest Koeberlein. Koeberlein analyzed the hard drive of
    Armas’s computer and found “a lot” of adult pornography but no child
    pornography. Koeberlein found complete and partial file names for child
    pornography but no actual files. He found evidence that files were shared
    from the computer but no evidence the shared files contained child
    pornography. Koeberlein found no programs that could permanently delete
    files. On cross-examination, Koeberlein stated he did 10 hours of forensic
    6
    analysis on Armas’s computer. He admitted he did not specifically examine
    the recent play lists of the media players, the most recent uploads folder, the
    Internet search history, or the unallocated space to determine whether they
    contained titles or words commonly associated with child pornography
    D.    Verdicts and Sentencing
    The jury found Armas guilty on both counts. The trial court suspended
    imposition of sentence and placed Armas on probation for two years.
    II.
    DISCUSSION
    A.    Sufficiency of the Evidence
    Armas contends the evidence was insufficient to establish he knowingly
    possessed or controlled child pornography as required for conviction of both
    offenses. As to distribution, Armas argues there was no evidence he was
    using the computer when the “tropical cuties” video and portions of other
    videos were sent to Hale, none of the videos was found on the computer, and
    software that could have deleted the videos was not installed on the
    computer. As to possession, Armas argues the only pornographic images of
    children found on the computer were in the unallocated space to which
    deleted matters were consigned, and there was no evidence such images were
    searched for, saved, repeatedly accessed, or obliterated.3 The People respond
    3      Armas also contends any possession of child pornography was so
    fleeting that it qualifies for the defense of momentary possession and renders
    the People’s evidence insufficient to support the convictions. As we explain
    as part of our discussion of Armas’s related claim that the trial court
    prejudicially erred by failing to instruct the jury on the momentary
    possession defense, however, there was no substantial evidence to support
    the defense. (See part II.B.1, post.) Moreover, even if there were such
    evidence, as we discuss in the text below there was substantial evidence from
    which the jury could conclude Armas possessed child pornography more than
    momentarily, and actually saved and viewed it on his computer and shared it
    7
    they presented substantial evidence from which the jury could conclude
    Armas actively sought out and viewed child pornography by using his
    computer and shared what he found with others over his peer-to-peer
    computer network. The People are correct.
    In considering a challenge to the sufficiency of the evidence to support a
    judgment of conviction, we review the whole record in the light most
    favorable to the judgment to determine whether it contains substantial
    evidence (i.e., evidence that is reasonable, credible, and of solid value) from
    which a rational jury could find the elements of the crime beyond a
    reasonable doubt. (Jackson v. Virginia (1979) 
    443 U.S. 307
    , 319; People v.
    Johnson (1980) 
    26 Cal.3d 557
    , 578; People v. Mendoza (2015) 
    240 Cal.App.4th 72
    , 85.) We resolve in favor of the judgment all conflicts in the evidence and
    all inferences that reasonably may be drawn from the evidence. (Jackson, at
    p. 319; Tecklenburg v. Appellate Division (2009) 
    169 Cal.App.4th 1402
    , 1412
    (Tecklenburg).) We do not weigh the evidence or assess witness credibility.
    (People v. Navarro (2021) 
    12 Cal.5th 285
    , 302; People v. Petrovic (2014) 
    224 Cal.App.4th 1510
    , 1517 (Petrovic).) As we explain below, under this
    deferential standard of review the jury’s guilty verdicts must be upheld.
    We first consider the conviction of distributing child pornography. To
    obtain that conviction, the People had to prove Armas knowingly transferred
    to someone else possession of matter that he knew depicted a minor
    personally engaged in sexual conduct. (§§ 311, subd. (d), 311.1, subd. (a).)
    One way to violate section 311.1, subdivision (a) is for a user of a peer-to-peer
    computer network to share an electronic file known to contain child
    with others. Since we must view the evidence in the light most favorable to
    the judgment, we reject Armas’s contention his possession of child
    pornography was only momentary and thus insufficient to support the
    convictions.
    8
    pornography with another network user. (People v. Wimer (2022) 
    74 Cal.App.5th 113
    , 136 (Wimer).) The People introduced evidence of this type
    of violation at trial. Armas told Waggoner that the computer seized from his
    residence was his, that he shared computer files on a peer-to-peer network,
    that he searched for adult pornography by using terms such as “petite teen”
    and “cute,” and that he was aware some of the files he downloaded contained
    child pornography. Canary testified he found the “tropical cuties” file name
    and other child pornography file names in the Internet search history of the
    computer; and in the peer-to-peer network sharing program (eMule), he
    found more than 50 file names of known child pornography, many of which
    had been accessed from folders containing “Tony” and “eMule” in their
    names, viewed on the media players installed on the computer, and uploaded
    to other network users. Hale testified that during his investigation of online
    child pornography activity, he accessed the peer-to-peer network and
    downloaded from a computer with an IP address belonging to Armas the
    “tropical cuties” video, which depicted a 10- to 12-year old girl engaging in sex
    acts. From this testimony, the jury reasonably could conclude Armas
    knowingly used his computer to search for, download, and view child
    pornography files and knowingly transferred possession of such files to other
    users over his peer-to-peer network. (See § 311, subd. (e) [“ ‘Knowingly’
    means being aware of the character of the matter”]; People v. Kuhns (1976) 
    61 Cal.App.3d 735
    , 756 [statute prohibits “ ‘ “not innocent but calculated
    purveyance of filth” ’ ”].)
    We next consider the conviction of possessing child pornography. To
    obtain that conviction, the People had to prove Armas knowingly possessed or
    controlled matter he knew depicted a minor personally engaged in sexual
    conduct. (§ 311.11, subd. (a).) Among the ways the People could do so were
    9
    to prove that Armas intentionally sought out child pornography on the
    Internet and made it appear on his computer screen (Petrovic, supra, 224
    Cal.App.4th at pp. 1516-1517) or that he actively downloaded child
    pornography and saved it to his computer (Tecklenburg, supra, 169
    Cal.App.4th at p. 1419, fn. 16). As discussed above in connection with the
    distribution conviction, Canary testified the Internet search history of
    Armas’s computer listed multiple file names with terms commonly used in
    child pornography files, and Armas told Waggoner he searched for
    pornography using such terms as “petite teen” and “cute” and downloaded
    files that he became aware contained child pornography. Canary also
    testified he found in the unallocated space of the computer four images of
    naked minors, including one of two preteen boys touching each other and
    another of a large hand touching a toddler’s vagina, which Armas concedes
    qualify as depictions of minors engaged in sexual conduct. (See § 311.4, subd.
    (d)(1) [defining “sexual conduct” to include masturbation, exhibition of
    genitals for purpose of sexual stimulation of viewer, and any lewd or
    lascivious sexual act under § 288].) From this evidence, the jury reasonably
    could conclude Armas knowingly possessed the images by searching for,
    downloading, viewing, and then deleting them. (See Petrovic, at p. 1516
    [“ ‘ “intentionally seeking out child pornography and purposefully making it
    appear on the computer screen—for however long the defendant elects to
    view the image—itself constitutes knowing control” ’ ”].)
    Armas argues, however, the possibility of hacking, the location of child
    pornography only in unallocated space on his computer, and the lack of any
    evidence he used software to erase child pornography make the People’s
    evidence “too thin” to prove he deliberately accessed and intentionally
    distributed child pornography as required to support the convictions. Armas
    10
    contrasts the evidence in this case with that in Tecklenburg, supra, 
    169 Cal.App.4th 1402
    , where “[t]he evidence established defendant actively
    searched for child pornography Web sites, opened such Web sites, went past
    the home pages, clicked through images on at least one site tour, displayed
    multiple images of child pornography from the Web sites on his computer
    screen, in some cases multiple times, and enlarged some of the images from
    thumbnail views.” (Id. at p. 1419.) Armas contends that without evidence
    like that presented in Tecklenburg, the jury’s guilty verdicts in this case
    cannot stand. We disagree.
    The possibility of hacking does not undermine the jury’s verdicts.
    Although Hale testified that someone who hacked into another person’s
    Internet network could use that person’s IP address, there was no evidence
    anyone had ever hacked into Armas’s network or used his IP address. A jury
    may not base a verdict on mere possibility, suspicion, or speculation. (People
    v. Grant (2020) 
    57 Cal.App.5th 323
    , 330; People v. Stanford (1959) 
    176 Cal.App.2d 388
    , 392.) The discovery of child pornography only in the
    unallocated space of Armas’s computer also does not undermine the verdicts.
    “Data or images found in unallocated space on a hard drive may . . . result
    from deleted, saved or downloaded files or come in various ways from
    [temporary Internet files]. There is often no way to determine the original
    source, but it can be said that at some point it was on the computer screen.”
    (Tecklenburg, supra, 169 Cal.App.4th at p. 1407.) Given the evidence of
    Internet searches for child pornography, its discovery in the unallocated
    space “evidenced [Armas’s] knowing possession or control of the images.” (Id.
    at p. 1419.) The People did not also have to prove Armas “ ‘had the ability to
    access, view, manipulate or modify’ the images that were on his computer”
    when Pineda seized it. (People v. Mahoney (2013) 
    220 Cal.App.4th 781
    , 795
    11
    (Mahoney).) Nor is it of any significance that Canary and Koeberlein found
    no program capable of permanently deleting files on Armas’s computer.
    Although the existence of such a program could explain why child
    pornography file names were found on the computer but actual files were not,
    the absence of such a program does not prove the files were never there or
    that Armas did not delete them. Canary’s testimony he found child
    pornography file names in multiple locations on the computer, including the
    Internet search history, folders with “Tony” and “eMule” in their names, the
    eMule program, and the media players, constitutes circumstantial evidence
    Armas downloaded and viewed the files and later deleted them.
    “[C]ircumstantial evidence is as sufficient as direct evidence to support a
    conviction.” (People v. Bloom (1989) 
    48 Cal.3d 1194
    , 1208.)
    We are also unpersuaded by Armas’s argument the evidence against
    him falls short of that found sufficient in Tecklenburg, supra, 
    169 Cal.App.4th 1402
    . “When we decide issues of sufficiency of evidence,
    comparison with other cases is of limited utility, since each case necessarily
    depends on its own facts.” (People v. Thomas (1992) 
    2 Cal.4th 489
    , 516.) We
    do note, however, that although there was no evidence in this case that
    Armas “intentionally used his home and work computers to find, access, and
    peruse through quantities of child pornography, manipulating the display of
    such images on his computer screen” (Tecklenburg, at p. 1419), there was
    evidence, albeit largely circumstantial, that he “actively searched for child
    pornography” on his home computer, “displayed multiple images of child
    pornography from [the Internet] on his computer screen” (ibid.), and shared
    child pornography files with other peer-to-peer computer network users.
    “Comparison of the evidence in this case with that in [Tecklenburg], for
    12
    whatever such a comparison is worth, thus fails to reveal any deficiency of
    proof warranting reversal.” (Thomas, at p. 516.)
    B.    Instructional Errors
    Armas raises two claims of prejudicial instructional error: (1) failure to
    instruct the jury on the defense of momentary possession (CALCRIM No.
    2305); and (2) failure to give the jury a unanimity instruction (CALCRIM No.
    3500). The People respond that the evidence did not warrant giving the
    instructions and, alternatively, that the failure to give them was harmless.
    We review these claims of error de novo (People v. Guiuan (1998) 
    18 Cal.4th 558
    , 569; People v. Russell (2006) 
    144 Cal.App.4th 1415
    , 1424) and find no
    prejudicial instructional error.
    1.    Momentary Possession
    The affirmative defense of momentary possession was first recognized
    by the Supreme Court of California in People v. Mijares (1971) 
    6 Cal.3d 415
    .
    There, the Supreme Court held a person who threw heroin out of a car and
    “maintained momentary possession for the sole purpose of putting an end to
    the unlawful possession of [another]” was not guilty of unlawful possession of
    narcotics. (Id. at p. 420.) The Supreme Court later clarified the defense
    applies only to “ ‘a fleeting, de minimis possession and a reflexive act of
    abandonment.’ ” (People v. Martin (2001) 
    25 Cal.4th 1180
    , 1191 (Martin); see
    CALCRIM No. 2305 [defense applies when defendant possessed controlled
    substance “only for a momentary or transitory period” and “in order to
    (abandon[,]/ [or] dispose of[,]/ [or] destroy) it”].) The Supreme Court has
    stated in dictum that against a charge of possession of child pornography the
    defense would be available to “a person who innocently receives unsolicited
    material, discovers it contains child pornography, and immediately destroys
    13
    the material or reports it to law enforcement.” (In re Grant (2014) 
    58 Cal.4th 469
    , 479, italics added.)
    The trial court had no duty to instruct on the momentary possession
    defense in this case. A court must instruct the jury on a defense if the
    defendant relies on it at trial or if substantial evidence supports the defense
    and it is not inconsistent with the defendant’s theory of the case. (People v.
    Molano (2019) 
    7 Cal.5th 620
    , 667; People v. Maury (2003) 
    30 Cal.4th 342
    ,
    424.) Armas did not invoke the momentary possession defense at trial, and
    there was no substantial evidence from which a reasonable jury could
    conclude he possessed child pornography only very briefly for the purpose of
    getting rid of it. Waggoner testified that when she interviewed Armas, he
    told her that he used the peer-to-peer software to search for adult
    pornography, and when he opened and viewed the search results and realized
    some contained child pornography, he deleted them or moved them to his
    “junk” folder. Canary testified he found evidence child pornography videos
    had been played on the computer but found no actual videos, and he found
    four images of child pornography in unallocated space on Armas’s computer,
    where deleted items were moved when the recycle bin was emptied. Thus,
    there was evidence Armas downloaded and deleted items of child
    pornography on his computer, but, critically, there was no evidence on how
    soon after downloading the items he deleted them. The deletions might have
    been immediate, or they might have been days, weeks, months, or years later.
    Without evidence the deletions were immediate, the defense was not
    available. (In re Grant, supra, 58 Cal.4th at p. 479; see Martin, 
    supra,
     25
    Cal.4th at pp. 1192-1193 [defense inapplicable to possession of
    methamphetamine for four hours]; People v. Sullivan (1989) 
    215 Cal.App.3d 1446
    , 1449, 1453 [same as to possession during drive from home to dumpster
    14
    in industrial park].) The trial court thus had no duty to instruct the jury on
    momentary possession. (See People v. Memro (1995) 
    11 Cal.4th 786
    , 868
    [party not entitled to instruction on theory with no supporting evidence];
    People v. Wilson (1992) 
    3 Cal.4th 926
    , 942 [speculation insufficient to require
    instruction by court].)
    2.    Unanimity
    A defendant has a federal and state constitutional right to a unanimous
    jury verdict in a criminal case. (U.S. Const., 6th & 14th Amends.; Cal.
    Const., art. I, § 16; Ramos v. Louisiana (2020) 
    590 U.S. ___
    , ___ [
    140 S.Ct. 1390
    , 1397]; People v. Russo (2001) 
    25 Cal.4th 1124
    , 1132.) This right
    requires all jurors to agree the defendant committed the same specific crime
    before they return a guilty verdict. (Russo, at p. 1132; People v. Norman
    (2007) 
    157 Cal.App.4th 460
    , 464.) When a conviction on a single count could
    be based on more than one discrete criminal act shown by the evidence, the
    People must select the act on which they are relying or the trial court must
    instruct the jurors that to return a guilty verdict they must all agree the
    defendant committed the same act. (People v. Jennings (2010) 
    50 Cal.4th 616
    , 679; People v. Sorden (2021) 
    65 Cal.App.5th 582
    , 614-615 (Sorden); see
    CALCRIM No. 3500.) The instruction is intended to eliminate the danger
    that jurors will amalgamate evidence of multiple crimes to conclude the
    defendant must have done something wrong and return a guilty verdict even
    though there is no single crime all jurors agree the defendant committed.
    (People v. Sutherland (1993) 
    17 Cal.App.4th 602
    , 612; People v. Deletto (1983)
    
    147 Cal.App.3d 458
    , 472 (Deletto).)
    The trial court was not required to give a unanimity instruction on the
    charge of possession of child pornography (§ 311.11, subd. (a)), because the
    People did not present more than one discrete offense to the jury.
    15
    Simultaneous possession of multiple items of child pornography at the same
    location is chargeable as only one offense under section 311.11, subdivision
    (a). (People v. Manfredi (2008) 
    169 Cal.App.4th 622
    , 624; People v. Hertzig
    (2007) 
    156 Cal.App.4th 398
    , 403.) The People charged Armas with only one
    count of possession of child pornography, and the possession alleged was on
    the date his computer was seized. The evidence at trial showed the only
    place where child pornography existed on that date was the unallocated space
    of Armas’s home desktop computer. The People argued to the jury that even
    though individual items might have been downloaded on other dates, Armas
    was guilty because he still possessed them on the date his computer was
    seized. Since the People’s theory was that Armas violated section 311.11,
    subdivision (a) by possessing all the child pornography images on that date,
    there was no reason for jurors to treat any one image differently from the
    others and no need to direct them to choose and agree upon possession of a
    particular image as the basis for conviction. (Mahoney, supra, 220
    Cal.App.4th at p. 796; cf. People v. Sample (2011) 
    200 Cal.App.4th 1253
    , 1259
    [possession of child pornography at two different times in two separate
    locations supported two convictions].) And since evidence of only one
    chargeable possession offense was presented to the jury, there was no danger
    the jury would amalgamate evidence of multiple offenses and conclude Armas
    must be guilty of something. (Deletto, supra, 147 Cal.App.3d at p. 472.)
    Given the way the possession count was charged and presented to the jury,
    no unanimity instruction was required. (Mahoney, at p. 796.)
    The trial court should have given a unanimity instruction on the charge
    of distribution of child pornography (§ 311.1, subd. (a)), however, because the
    evidence showed multiple discrete offenses. Each download from Armas’s
    computer of a different child pornography file by a peer-to-peer network user
    16
    constitutes a separate violation of the statute. (Wimer, supra, 74 Cal.App.5th
    at pp. 136-139.) The People charged Armas with only one count of
    distribution of child pornography and alleged the distribution occurred over a
    period of several months. At trial they presented evidence of multiple
    instances of distribution during that period. Canary testified he found
    evidence in the eMule program that five child pornography files had been
    uploaded to other peer-to-peer network users on different dates, and four of
    the files were uploaded to multiple users. Where, as here, “the prosecution
    shows several acts, each of which could constitute a separate offense, a
    unanimity instruction is required.” (People v. Melhado (1998) 
    60 Cal.App.4th 1529
    , 1534.)
    The trial court’s failure to give a unanimity instruction, however, does
    not require reversal of the distribution conviction. A unanimity instruction is
    not essential to the jury’s understanding of the case “ ‘[w]here the acts were
    substantially identical in nature, so that any juror believing one act took
    place would inexorably believe all acts took place.’ ” (People v. Beardslee
    (1991) 
    53 Cal.3d 68
    , 93.) The multiple acts of distribution at issue here were
    substantially the same in that each involved upload of a file containing child
    pornography from Armas’s computer to another user on his electronic file-
    sharing network, and the evidence supporting the distributions was the
    same, i.e., Canary’s testimony. Because there was “no realistic possibility”
    the jury would conclude some of the distributions occurred but not others, the
    failure to give a unanimity instruction was harmless. (People v. Ramirez
    (1987) 
    189 Cal.App.3d 603
    , 614-615.) Failure to give a unanimity instruction
    is also harmless when the defendant offered the same defense to all criminal
    acts and the verdict implies the jury rejected it. (People v. Covarrubias (2016)
    
    1 Cal.5th 838
    , 879; Deletto, supra, 147 Cal.App.3d at p. 468.) Armas claimed
    17
    he did not knowingly download any child pornography files or intentionally
    share them with others; he did not distinguish among the various files that
    were uploaded to other network users; and the jury’s guilty verdict indicates
    it rejected Armas’s claim. In sum, because the record provides no rational
    basis, by way of argument or evidence, for the jury to have distinguished
    between the multiple acts of distribution, and the jury must have found
    beyond a reasonable doubt that Armas committed all acts if he committed
    any, we conclude the trial court’s failure to give a unanimity instruction was
    harmless beyond a reasonable doubt and does not require reversal. (People v.
    Curry (2007) 
    158 Cal.App.4th 766
    , 783; Deletto, at p. 473.)
    C.    Cumulative Effect of Error
    Armas’s final contention is that the trial court’s errors, even if harmless
    when separately considered, combined to deprive him of his due process right
    to a fair trial. “ ‘The “litmus test” for cumulative error “is whether defendant
    received due process and a fair trial.” ’ ” (People v. Thomas (2021) 
    64 Cal.App.5th 924
    , 971.) “Under the ‘cumulative error’ doctrine, ‘ “a series of
    trial errors, though independently harmless, may in some circumstances rise
    by accretion to the level of reversible and prejudicial error.” ’ ” (Sorden,
    supra, 65 Cal.App.5th at p. 618; see Montana v. Egelhoff (1996) 
    518 U.S. 37
    ,
    53 [“erroneous evidentiary rulings can, in combination, rise to the level of a
    due process violation”].) We have found only one error, and it was harmless.
    Hence, Armas’s claim of cumulative effect of error necessarily fails. (People v.
    Sta Ana (2021) 
    73 Cal.App.5th 44
    , 64; People v. Lapenias (2021) 
    67 Cal.App.5th 162
    , 181.)
    18
    III.
    DISPOSITION
    The order placing Armas on probation is affirmed.
    IRION, Acting P. J.
    WE CONCUR:
    DO, J.
    BUCHANAN, J.
    19