Christopher Pelkey AI media incident — Oct 2026

An Arizona appeals court has vacated a 10.5-year manslaughter sentence for Gabriel Paul Horcasitas, ruling that a judge improperly relied on an AI-generated video of the deceased victim, Christopher Pelkey, during sentencing. While the court upheld the underlying manslaughter conviction, it ordered a new sentencing hearing, finding that the synthetic presentation violated the defendant's due process rights to a fair proceeding.

What happened

Following a second trial for a 2021 road-rage shooting, Pelkey’s family presented a video at sentencing that utilized artificial intelligence to recreate the victim's appearance and voice. The video combined authentic footage of Pelkey with synthetic segments where the AI-generated avatar addressed the court, the family, and the defendant. The recreation expressed forgiveness toward Horcasitas, reflecting sentiments that Pelkey’s sister believed her brother would have held.

Although the video included a disclaimer identifying it as an AI recreation, the avatar claimed to be a true representation of Pelkey. Maricopa County Superior Court Judge Todd Lang reacted positively to the presentation, describing it as "genuine" and stating he "loved that AI." Lang subsequently imposed the maximum 10.5-year sentence, acknowledging that the term exceeded what prosecutors had requested.

On appeal, the Arizona Court of Appeals, Division One, determined that the synthetic portions of the video lacked the necessary reliability for sentencing evidence. The panel emphasized that the AI did not document actual events or statements, but instead synthesized facial expressions, voice, and speech based on the family's interpretation of the victim's values. The court concluded that the disclaimer did not mitigate the reliability issues, as the video created conduct and speech that never occurred. Because the judge explicitly referenced the AI presentation in his sentencing remarks, the appellate panel found the error rendered the proceeding fundamentally unfair. This ruling marks the first time an Arizona court has addressed the use of AI-generated victim impact evidence in a criminal sentencing.