In the Palisades fire trial, prosecutors used Jonathan Rinderknecht’s ChatGPT logs alongside iPhone location data, security camera footage, and witness testimony. They pointed to chatbot prompts about anger, wealth, and blame for a fire sparked by a cigarette—
The Palisades fire trial was supposed to hinge on what happened on the ground—where a fire started, who saw it, and what technology could place a suspect at the scene.
Instead, the courtroom also spent time on a digital habit: Jonathan Rinderknecht’s ChatGPT logs.
Rinderknecht was facing arson charges for setting a fire on New Year’s Day in 2025. a blaze that became one of the deadliest wildfires in LA history. To build their case, prosecutors leaned on location data from his iPhone, security camera footage, and witness testimony. They also presented what he had typed into ChatGPT—framing the exchanges as part of the story they wanted jurors to hear about intent.
Prosecutors said Rinderknecht had ChatGPT generate images of fire. They pointed to a prompt where he asked the chatbot, “Why am I so angry all the time?” Prosecutors also highlighted rants in which he discussed how the wealthy were destroying the world.
They further connected the logs to a question about responsibility, citing a screen recording in which Rinderknecht asked ChatGPT whether someone could be blamed for a fire if it was lit by their cigarette.
But the jury never fully bought that leap from chatbot conversation to criminal proof. After deliberations, jurors deadlocked—voting 10-2 in favor of the defense. The judge declared a hung jury and a mistrial.
For at least one juror, the problem wasn’t that the logs existed. It was what prosecutors wanted them to mean.
The juror told CBS LA that she didn’t believe the ChatGPT logs were proof of anything. She said. “I talk to ChatGPT all the time.” And she described the tactic as emotionally jarring—saying it made her “angry” that the suggestion of wrongdoing was tied to his use of the chatbot as evidence of some kind of character flaw.
The trial ended with no verdict, but the conflict remained clear: prosecutors saw digital text as evidence of mindset and intent; jurors saw it as something far less reliable—especially when the leap from prompts to guilt was left hanging in the balance.
Palisades fire trial Jonathan Rinderknecht arson charges ChatGPT logs iPhone location data security camera footage hung jury mistrial cybersecurity and AI evidence