Rinderknecht Arson Trial Ends in 10-2 Mistrial as Jurors Reject ChatGPT Logs

Q: After a deadlocked jury, will the man accused of starting the devastating Palisades Fire face a new trial?

Not yet. A deadlocked jury does not automatically mean Jonathan Rinderknecht will face a new trial immediately. In his federal arson case, jurors told Judge Anne Hwang they were at a standstill after deliberations and unwilling to change their views. That typically puts the case on a path toward a hung jury and possible mistrial, but the judge can still require more deliberations or give additional instructions before ending the trial. The key next step is whether the judge formally declares a mistrial. If that happens, prosecutors would then decide whether to retry Rinderknecht on the same three arson counts. The U.S. Attorney’s Office has indicated the legal process is continuing, but there has been no confirmed final ruling in the material provided that a mistrial has already been declared or that a retrial has been scheduled. So, based on the available reporting, the most accurate answer is that he is not yet definitively headed to a new trial. He could face one if the judge declares a mistrial and federal prosecutors choose to try the case again. Rinderknecht is accused of setting the smaller Lachman Fire on New Year’s Eve 2024, which prosecutors say smoldered underground and later became the Palisades Fire. His defense argues the evidence is circumstantial and that fireworks, not arson, may have caused the initial blaze.

3 articles · Updated · The Verge · Jun 28

A 10-2 jury split favoring the defense forced a mistrial in Jonathan Rinderknecht’s arson case over the 2025 Palisades fire.
Prosecutors had tied him to the blaze with iPhone location data, security footage, witness testimony and ChatGPT chats about fire, anger and cigarette liability.
One juror told CBS Los Angeles the chatbot records proved nothing, saying she uses ChatGPT regularly and resented the suggestion that the logs showed a character flaw.
The deadlock undercut an unusual attempt to use AI chat history to help prove intent in a case tied to one of Los Angeles’ deadliest wildfires.