9th Cir.

USA v. Celnik

May 13, 2026 ·24-2545 ·Unpublished · By James Taylor

The Ninth Circuit affirmed the conviction of Joshua Ian Celnik for distribution and possession of child pornography. The court rejected challenges to the admission of computer logs and expert testimony, finding no violation of the Confrontation Clause or evidentiary rules.

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Background

Joshua Ian Celnik appealed his conviction for distribution and possession of child pornography in violation of federal statutes. The appeal raised issues regarding the admission of computer logs, the testimony of a forensic agent, and alleged prosecutorial misconduct during closing arguments.

The court’s reasoning

The court reviewed Celnik’s Confrontation Clause challenges de novo and found no error. The computer logs from the Torrential Downpour program reflected machine operations without human intervention and were not testimonial statements. The court also upheld the admission of exhibits created by a detective and a summary chart under Federal Rule of Evidence one thousand and six. Regarding the expert testimony, the court applied plain error review because Celnik did not object on Daubert grounds at trial and failed to show prejudice. Finally, the court held that Celnik waived his claim of prosecutorial misconduct by strategically choosing a curative instruction over a mistrial request.

What it means going forward

The decision reinforces that automated computer logs are not subject to Confrontation Clause challenges when they reflect machine operations without human input. It also clarifies that defendants must preserve objections to prosecutorial misconduct by requesting a mistrial if they intend to challenge the trial’s fairness on that basis.

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