Stones, Athens Park Boys and other gangs not aligned with the Crips often clashed with them. Several non-Crips gangs formed during this period were no match for the Crips and became concerned with the escalating Crip attacks. The sensational media coverage of the crime and the continued assaults by the Crips increased their notoriety. Ballou was beaten to death after refusing to give up his leather jacket. On March 21, 1972, shortly after a concert featuring Wilson Pickett and Curtis Mayfield, 20 youths belonging to the Crips attacked and robbed Robert Ballou Jr. Many of the non-Crip gangs used to call one another 'blood'. The Bloods was initially formed to provide members protection from the Crips. Owens subsequently established the West Piru gang. As a result, Scott formed the Piru street-gang, the first 'Bloods' gang. The rivalry originated in the late 1960s when Raymond Washington and other Crips attacked Sylvester Scott and Benson Owens, two students at Centennial High School in Compton, California. The Bloods gang was formed initially to compete against the influence of the Crips in Los Angeles. Since the gang's creation, it has branched throughout the United States.

The Bloods comprise various subgroups known as 'sets', among which significant differences exist, such as colors, clothing, operations, and political ideas that may be in open conflict with each other. It is identified by the red color worn by its members and by particular gang symbols, including distinctive hand signs. The gang is widely known for its rivalry with the Crips.

The Bloods are a primarily African-American street gang founded in Los Angeles, California.

MS-13 (though in some places Bloods and Maras coexist such is the case with the Rollin' 20's Neighborhood Bloods and the MS-13 Koreatown clique).

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