- wikipedia.org
Hours before the accident he Tweeted a photo of himself drinking (what some assume to be) alcohol and police believe he was the driver at the time of the crash (though it is hard to tell because the car now looks like this [warning: UGH]).
An unidentified passenger also died in the accident.
The official cause of the accident is unknown at this time, but the police report notes "speed may have been a contributing factor."