[DoodleDawg]

He may have figured if he ran into the door he would be ejected through the roof and come back down miles away floating down on a golden parachute.

Uh-huh. Regardless of the tox report, procedure said that he should have been belted into his seat. The police didn't, and it could well have been intentionally. They're responsible for his death. Was it murder? No, I don't think so. But it was definitely negligence.

[smoothsailing]

They're responsible for his death

If the autopsy is to be believed, the police did not cause Gray's death, his injuries were self-inflicted.