Could be, as a temporary hang out. But he was apparently heading for Mexico. Although I'm a bit skeptical about that. When he failed at stealing a boat, he was a lot closer to Mexico than to Big Bear, where he supposedly went after that.
The guy who signed the papers kicking him out of the LAPD is in Oakland, well away from where he focused LEO attention.
Bad week to be William Bratten.
My foggy crystal ball 2¢ worth...