A war of attrition has existed for decades between F-13 ( Chicano) and Crip and Blood gangs (Black). This is on the East side of Los Angeles on 42nd street @ Gilbert Lindsay Park. The alliance of the East Coast Gangster Crips with 43rd 45th and 48th Crip street gangs is tell-tale sign of a build up in strength. Moreover the cross out of the Florencia (F-13) a large Chicano gang, which operates primarily on the south side of Slausen blvd. This graf 25 blks north indicates hostilities.