State of Iowa v. Coby Duane Hemphill

Court of Appeals of Iowa·Decided August 20, 2025·No. 23-1441·Published

Opinion

IN THE COURT OF APPEALS OF IOWA

No. 23-1441

Filed August 20, 2025

STATE OF IOWA, Plaintiff-Appellee,

vs.

COBY DUANE HEMPHILL, Defendant-Appellant.

Appeal from the Iowa District Court for Polk County, David Nelmark, Judge.

The defendant challenges the denial of his motion for new trial after the jury received unadmitted evidence to consider as part of its deliberation. AFFIRMED.

Martha J. Lucey, State Appellate Defender, and Nan Jennisch, Assistant Appellate Defender, for appellant.

Brenna Bird, Attorney General, and Zachary Miller, Assistant Attorney General, for appellee.

Considered without oral argument by Tabor, C.J., Badding, J., and Potterfield, S.J.* *Senior judge assigned by order pursuant to Iowa Code section 602.9206 (2025).

POTTERFIELD, Senior Judge.

A jury found Coby Hemphill guilty of sexual abuse in the third degree (count III) and sexual exploitation of a minor (count IV); both crimes involved fifteen-year-old A.R.1 Weeks later, the court learned that unadmitted evidence had been inadvertently sent back to the jury for its deliberation—eleven pages of screenshots purportedly showing messages sent by Hemphill that were never offered by the State but remained on a flash drive that held some of the State’s admitted exhibits. Hemphill moved for new trial on the basis that the jury “received any evidence, paper or document out of court not authorized by the court,” which he asserted violated his constitutional right to a fair trial, among others. Iowa R. Crim. P. 2.24(2)(b)(2) (2023). The district court denied the motion for new trial, which Hemphill challenges on appeal. I. Background Facts and Proceedings.

The State charged Hemphill with three counts of third-degree sexual abuse based on allegations that in March 2022, when he was twenty-seven years old, he committed several sex acts against fifteen-year-old A.R.—one by force or against her will and two others while he was four or more years older than A.R. Hemphill

1 Hemphill was charged with three counts of third-degree sexual abuse (counts I,

II, and III) and one count of exploitation of a minor (count IV). Count I involved committing a sex act by force or against A.R.’s will, count II was alleged to involve a sex act while Hemphill was four or more years older than A.R. that took place on March 10, 2022, and count III was alleged to involve a sex act while Hemphill was four or more years older than A.R. that took place on March 13, 2022.

The State dismissed count I during trial, and the jury acquitted Hemphill of count II. The jury found Hemphill guilty of committing a sex act against A.R. on March 13, 2022 (count III) and possessing a visual depiction of A.R. engaged in a prohibited sex act (count IV).

was also charged with sexual exploitation of a minor based on the allegation that he possessed a photo of A.R. engaged in a prohibited sexual act.

Hemphill maintained his innocence, and the case was tried to a jury. A.R.

testified, detailing events that took place over her spring break during her freshman year of high school. She reported that Hemphill picked her up from her father’s house on at least two separate dates—March 10 and March 13, 2022. From there, he took her to his home nearby and perpetrated sex acts against her. The State introduced footage from a surveillance camera showing outside the father’s house, which showed a vehicle that looked like Hemphill’s both picking A.R. up and later dropping her off on March 13. The State also introduced exhibits showing written messages sent back and forth between A.R. and Hemphill, in which Hemphill called A.R. “baby,” told her she was “hot” and that he loved her, and described sex acts he wanted to perform, including stating, “I’ll be seeing them when I’m down there with my tongue inside you” and “I want to make love tomorrow not fuck lol it’s like more passionate lol.”

A.R.’s mother, Margaret, testified she became concerned on March 13 when she realized A.R. had turned off the location of her cell phone. Margaret video called A.R to see where she was. According to A.R., the call interrupted Hemphill having vaginal intercourse with her, which stopped the sex act before he ejaculated. Later testing of the underwear A.R. was wearing on March 13 found seminal fluid but no sperm—the criminalist who performed the test explained this result could occur because it was pre-ejaculate in the underwear.

On March 14, after some questioning from Margaret, A.R. told her about the sex acts. Margaret made a report to the police; she provided A.R.’s cell phone to law enforcement.

When the police contacted Hemphill, he denied that he had met A.R. in person though he admitted they communicated via a social media app. After the officer obtained a warrant, he called Hemphill again, asking him to come down to the station to give his DNA. Hemphill did not show up when he said he would, and when the officer called the same phone number again, the person who answered said it was no longer Hemphill’s phone number. A few days later, the officer went to Hemphill’s home to obtain his DNA. When the officer asked Hemphill to turn over his phone, Hemphill initially denied having one even though the officer could see it in Hemphill’s pocket. Later extraction of the phone’s data showed Hemphill searched for information on how to “pull records of your past few months of texting from your phone after they’ve been del[eted]” and “alter my dna [if] the cop has to do a cotton swab.” The extraction also recovered data showing Hemphill saved a photo of bare breasts to his phone in February 2022; A.R. later identified the photo as one she took of herself and sent to Hemphill.

At trial, Hemphill admitted that he sent messages to A.R. and had met her in person; he generally denied any sex acts occurred. Hemphill’s wife testified she was with him from approximately 2:30 p.m. to 11:00 p.m. on March 10; they traveled out of town for new tattoos. The couple’s roommate testified he was home on March 10 and Hemphill never brought a teenaged girl to the home. And Hemphill’s mother testified he was with her on March 13 from about 4:00 p.m. until 11:00 p.m. except for a short window when he went to a store to buy her paint; she

spoke with him on the phone while he was at the store regarding the paint she wanted.

The State dismissed count I during trial, and the jury acquitted Hemphill of count II. The jury found him guilty of committing third-degree sexual abuse on March 13 (count III) and of sexual exploitation of a minor (count IV).

Weeks later, the court learned that unadmitted evidence had been inadvertently sent back to the jury for its deliberation.2 Some of the State’s evidence was held on a flash drive, and that flash drive was provided to the jury. Also included on the flash drive was a PDF named “Exhibit 26 Screenshots of messages from the defendant,” which consisted of eleven pages of screenshots that showed various messages purportedly sent by Coby.3 Generally speaking, the messages contained denials that any sex acts took place and requests to not get law enforcement involved. The messages also denied that A.R. had been to his home or that he ever picked her up in his vehicle. The State never sought to introduce the PDF at trial.

The court notified both parties of the issue, and the State was allowed to examine the flash drive to see if it could determine whether the jury actually reviewed the non-evidence.

2 A court reporter noticed the problem when working on an exhibit maintenance

order and alerted the judge who presided over the trial. 3 Two pages show messages that appear to come from the account of Hemphill’s

wife; during her trial testimony, she denied sending any messages. And the State’s name of the document attributes the messages to Hemphill.

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