Federal postal investigators are working to figure out why a car slammed into a neighborhood post office in San Jose,

Richard Tillman has been charged with arson and vandalism in the alleged attack on a San Jose building over the weekend; his arresting officer turned off Tillman’s livestream of the incident.

The younger brother of Pat Tillman Jr. faces charges of arson and vandalism after authorities say he lit a fire at a South San José post office and livestreamed the blaze.