A fellow rapper, Snoop Doggy Dogg, was acquitted of a gang-related killing this year.
When the 1988 gang-related killing occurred in Westwood, "no one said anything and it gave the village a stigma of being unsafe," he said.
A new, less complex law on gang-related killings is needed to ensure justice for victims and defendants, MPs say.
Though the gangs largely kept to themselves, shootouts and gang-related killings were not unheard of.
Confirmed gang-related killings were at 10, with 15 gang-related killings in 2011.
Commonly regarded as gang-related killing there were said to have been 200 of these killings in the Grau administration alone.
A law making gang-related killings a capital offense went into effect earlier this year.
Last year, south-central L.A. was the scene of more than half of the 205 gang-related killings in the city.
During the first four months of this year, there were 109 gang-related killings in the county, many of the victims innocent bystanders.
Until the reforms to the penal code, he said, the agency had not been able to make a real dent in gang-related killings.