A man who in 2001 ran over five people , killing four of them , then exclaimed he was the `` angel of death , '' will be transferred from a California mental hospital to a less restrictive facility . David Attias has been behind the walls of a mental hospital for 10 years . He is one of only two people in America who have ever had their brains scanned and studied by scientists to see how they process information, what makes them happy or sad. He killed four people in 2001 when he plowed his car down a California street . He was convicted then pronounced not guilty by reason of insanity .
David Attias has been behind the walls of a mental hospital for 10 years . He is one of only two people in America who have ever had their brains scanned and studied by scientists to see how they process information, what makes them happy or sad. He killed four people in 2001 when he plowed his car down a California street . He was convicted then pronounced not guilty by reason of insanity .