SAN FRANCISCO, Oct. 14 -- Someone wrapped a recording device in toilet paper and pushed it into a USB port behind a television in OpenAI's executive conference room, federal prosecutors say. OpenAI says its own AI models helped work out who.

The Justice Department said an OpenAI engineer, Abdulrahman Alfozan, 35, a Saudi national, was arrested on Oct. 9 and charged with using a device to intercept oral communications. He made his first court appearance Tuesday and is due back on Oct. 19 for a detention hearing, CBS News reported. If convicted, he faces up to five years in prison and a $250,000 fine. Neither he nor his lawyer had commented in the coverage reviewed, and the allegations are unproven.

According to the criminal complaint, Op...