Watch him die for an hour or two, then lock the car door and split for Oregon with his 'property manager' and spend a week 'healing', then (after local police 'find' you at a motel) return to LA, 'discover' the body, and hire a lawyer to get a grip on his $five million plus stuff.
If she had dropped him at the local emergency room, she may have been sole heir to his estate.
It does appear that the coppers are being very piggish with the property of others.