A judge has ordered brother of late NFL star-turned-soldier Pat Tillman will undergo a mental competency test before his trial on arson and vandalism charges.

SAN JOSE — The youngest brother of former professional football player and Army Ranger Pat Tillman was arrested on suspicion of arson early Sunday after authorities said he crashed his vehicle into a post office, causing the entire building to ignite in flames, according to the San Jose Police Department.

The brother of the late NFL player and U.S. Army Ranger Pat Tillman is suspected of driving into a South San Jose post office early Sunday morning, officials said.