someone shot and killed 35-year- old danny wong. he was reputed to be the leader of the wa ching gang. his killing was believed to be part of a cycle of violence and retaliation. >> reporter: some of it you could see. most of it you couldn't see. there was a funeral at san francisco china's town this afternoon. most of the police here were undercover officers. members of the gang task force attending the funeral of danny wang. the officers were not here out of respect. they were here as part of the police chief's new plan to have task force officers and not homicide investigators solve the killing and head off further gang warfare in china town. wong was the leader and one of the oldest members of the well known gang. wong was killed a week ago in a diner slightly injured in the foot as wong was getting into this car. nine shots were fired, four hit wong. a shot went through the front door of this restaurant and hit the diner inside. gang experts believe the killing of danny wong may be in retaliation for this shooting back in may.