. >> richard moya has been involved with gangs and gang violence much of his life.hat he no longer associates with the gang, but he says that the code of silence, especially in the gang-related killing is one of the most sacred rules on the streets. if you are in a gang and you talk to the police, that is a violation of the gang code? >> that is beyond a huge violation, that is saying, i'm ready, come and kill me, because i'm a snitch. >> being labelled a snitch. on the streets, it is the worst insult there is, detectives say because nobody wants that label, and some 30% of the gang homicides in hollenbeck go unsolved and that means that 30% of suspected killers get away with murder. why was steven killed? >> well, a rival gang shot. steven bueno was well known in the neighborhood, and his name was all over the walls. >> they called him grinch? >> yes, they caught him slipping and unarm and unprepared. >> put your hands together. >> steven's father milton finds it hard to believe his son had enemies. >> in jesus' name we pray. amen. >> he wants someone to come forwa