“J.P. had begun to believe that the mafia was monitoring him and that they had deployed operatives to follow him to Oregon when he moved from California. He thought a tracking chip had been implanted in his neck, that robotic birds were conducting surveillance on him, and that he was being watched through his cell phone, which he destroyed in a fit of rage. At one point, he was sleeping with a shotgun under his bed to defend himself, despite a prior arrest for carrying a handgun illegally.