State of Washington v. Omar Ivan Mancinas Garza

Court of Appeals of Washington·Decided July 14, 2026·No. 40602-4·Unpublished

Opinion

FILED JULY 14, 2026 In the Office of the Clerk of Court WA State Court of Appeals, Division III

IN THE COURT OF APPEALS OF THE STATE OF WASHINGTON DIVISION THREE

STATE OF WASHINGTON, ) ) No. 40602-4-III Respondent, ) ) v. ) ) OMAR IVAN MANCINAS GARZA, ) UNPUBLISHED OPINION ) Appellant. )

COONEY, J. — A jury found Omar Mancinas Garza guilty of attempted rape of a

child in the second degree and communication with a minor for immoral purposes. The

charges stemmed from an undercover operation conducted by a law enforcement officer

posing as a fictious 13-year-old girl. Mr. Mancinas Garza appeals, arguing his trial

attorney was ineffective and cumulative error deprived him of a fair trial. We disagree

with his arguments and affirm.

BACKGROUND

In August 2022, the Washington State Patrol Missing and Exploited Children Task

Force (Task Force) conducted an undercover online “Net Nanny” operation in Grant

County, Washington. Verbatim Rep. of Proc. (VRP) at 303. The operation consisted of

Detective Sergeant Jake Klein posing as a fictious 27-year-old woman named “Crystal”

on an Internet dating website called “Badoo.” Clerk’s Papers (CP) at 17. Mr. Mancinas No. 40602-4-III State v. Mancinas Garza

Garza responded to the invented profile by messaging “Crystal” on August 22, 2022.

“Crystal” replied to Mr. Mancinas Garza and informed him that she was actually 13 years

old. Mr. Mancinas Garza and “Crystal” eventually agreed to engage in sexual acts, and

he was arrested when he arrived at their meeting location. His cellphone was seized and

relevant data later extracted. Mr. Mancinas Garza participated in a recorded interview

with law enforcement following his arrest.

The State charged Mr. Mancinas Garza with attempted rape of a child in the

second degree and communication with a minor for immoral purposes. The case

proceeded to a jury trial.

Defense counsel moved in limine to exclude the recorded interview from

admission into evidence, arguing that portions of the interview “should only be allowed if

the contents of the video would be admissible in the form of testimony rather than a

video.” CP at 73. Defense counsel stated, “[T]he prosecutor should elicit testimony,

where appropriate, point-by-point, about what exactly [Mr. Mancinas Garza] was asked,

and what his response was.” CP at 73. Defense counsel also moved to exclude several

statements Detective Jimmy Welsh made during the interview, claiming the statements

were improper character and propensity evidence and were also inadmissible under

ER 404(b). The court reserved ruling on excluding the recording because it had not

“had a chance to review [the recording].” VRP at 30.

2 No. 40602-4-III State v. Mancinas Garza

Additionally, defense counsel sought the exclusion of “[p]rofile evidence, in the

form of testimony by law enforcement officers that criminals have certain characteristics”

that could suggest that Mr. Mancinas Garza shares those characteristics. CP at 84

(emphasis omitted). The court granted the motion.

Defense counsel also moved to exclude testimony related to “conversation[s]

about what the detectives would find on [Mr. Mancinas Garza’s] cell phone if they

looked,” including a discussion of whether Mr. Mancinas Garza viewed child

pornography. CP at 86 (emphasis omitted). He contended this type of evidence was

improper under ER 404(b) and would be “propensity evidence and it’s more prejudicial

than probative.” VRP at 33. The State opposed Mr. Mancinas Garza’s motions to

exclude testimony related to whether “[Mr. Mancinas Garza] masturbates to child

pornography or [has] seen child pornography or pornography in general” because such

testimony would be admissible “with regard to that entrapment defense.” VRP at 34-35.

Although defense counsel asserted that Mr. Mancinas Garza would not be raising

entrapment, the State argued evidence of Mr. Mancinas Garza viewing child pornography

should be allowed if Mr. Mancinas Garza raised an entrapment defense. The court ruled

that evidence about what type of pornography Mr. Mancinas Garza views and whether

Mr. Mancinas Garza had previously viewed child pornography or masturbates to child

pornography was admissible only “in rebuttal if a legitimate entrapment defense is

raised.” VRP at 39.

3 No. 40602-4-III State v. Mancinas Garza

At trial, Detective Sergeant Dan McDonald of the Task Force testified about the

Net Nanny operations, explaining that the Task Force deals with “proactive and reactive

cases.” VRP at 234. He described “proactive work” as “try[ing] to identify people that

are online that are communicating with minors for immoral purposes.” VRP at 235. The

court overruled defense counsel’s objection to this testimony. Detective Sergeant

McDonald also explained the training and role of the Task Force’s interview team:

Yeah, so the interview team, we have two-person interview teams, everybody that’s assigned to an interview team, the primary interviewer is specially trained by Dr. Joe Sullivan, who is a—he’s a psychologist based out of Ireland, that has spent his whole career studying sex offenders, and he has created an interview model where when you talk to a sex offender, you can extract information that may identify victims.

VRP at 256.

Trooper Carol Fuchs, who was 29 years old at the time, testified that she took

“selfies” for law enforcement to use in the Net Nanny operation. VRP at 487. She told

the jurors of how she would take photographs in a manner similar to how younger people

photograph themselves, “[j]ust kind of playful, not wearing as much makeup, just

appearing younger, wearing more younger clothes.” VRP at 488. Trooper Fuchs further

participated in the operation by reviewing chats and waiting on standby to take additional

photographs.

The State offered, and the court admitted, an extraction report of data found on

Mr. Mancinas Garza’s cellphone. The extraction consisted of a “text message exchange”

and photographs consisting of “a selfie of the undercover, or the undercover persona, and

4 No. 40602-4-III State v. Mancinas Garza

that’s of a female standing in front of it looks like a mirror posing.” VRP at 393, 375.

The call log extraction from Mr. Mancinas Garza’s cellphone revealed two outgoing

telephone calls to the undercover officer’s telephone number. A text message from Mr.

Mancinas Garza’s cellphone depicting Trooper Fuchs, posing as “Crystal,” was admitted

into evidence.

The State reported to the court during trial that it redacted portions of Mr.

Mancinas Garza’s recorded interview. The State indicated it had “added a last-minute

edit” and removed “one small clip, about 30 seconds, that needed to come out” regarding

a question by an investigator “about what [Mr. Mancinas Garza] does when he’s not at

school, and basically referencing where he was employed.” VRP at 407-08.

The State then offered the testimony of Detective Sergeant Klein who created

“Crystal’s” Badoo profile and worked as an “undercover chatter” during the operation.

VRP at 414. Detective Klein testified that a profile with the username “Ox,” who was

later identified as Mr. Mancinas Garza, messaged “Crystal” on August 22, 2022, and the

conversation quickly moved from the Badoo application to text messaging through an

application called “Callyo.” VRP at 436-37.

Detective Klein read a sampling of the messages between “Crystal” and Mr.

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State of Washington v. Omar Ivan Mancinas Garza, (Wash. Ct. App. 2026).

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