But , he added , `` After he went to prison and came out , he did n't have anything to lose . Author and sociologist who met the gunman says he grew up in a hardcore gang culture . He said his father was killed by an MS-13 member when he was just 8 years old.
Author and sociologist who met the gunman says he grew up in a hardcore gang culture . He said his father was killed by an MS-13 member when he was just 8 years old.