The Crips are a mob.
For `` Crip theory '' , see Disability studies .. Disability studies. Disability studies. The Crips are a primarily African-American gang .. African-American. African-American. gang. gang. They were founded in Los Angeles , California in 1969 mainly by Raymond Washington and Stanley Williams .. Raymond Washington. Raymond Washington. Stanley Williams. Stanley Williams. What was once a single alliance between two autonomous gangs is now a loosely connected network of individual sets , often engaged in open warfare with one another .. Its members traditionally wear blue clothing , a practice that has waned somewhat due to police crackdowns on gang members .. gang. gang. The Crips are one of the largest and most violent associations of street gangs in the United States , with an estimated 30,000 to 35,000 members in 2008 .. They have been involved in murders , robberies and drug dealing , among other crimes .. Crips have a long and bitter rivalry with the Bloods .. Bloods. Bloods