Gang graffiti started back in the 1960s due to the rivalry between the Bloods and gang in Los Angeles, California in what year?
Gang graffiti: Gang graffiti is the act of spray painting on walls in certain areas to represent your gang. Crips: The Crips also known as Original Crip Homies (OCH) are a primarily African-American gang. Crips:  They were founded in Los Angeles, California in 1969 mainly by Raymond Washington and Stanley Williams.
i don't know