my first thought is this is gang related (due to the age and race). Here are the primary colors in LA
Bloods, are a LA based gang, their primary color is red.
Crips, Are also a LA based gang and their primary color is blue
Sur13, Is a southern California Latino gang, priamrly wear blue
Nor14, Is a northern California gang that typically wears red.
MS-13 is a LA gang that isnt as powerful as the media makes it seem, they sport white bandanas.
The Greater Los Angeles Area, or the Southland, is the agglomeration of urbanized area around the county of Los Angeles, California, United States. Greater Los Angeles includes the Los Angeles metropolitan area (Los Angeles and Orange counties)
as well as the Riverside-San Bernardino-Ontario Metropolitan Area
MS-13, or La Mara Salvatrucha, is a violent street gang that originated among Salvadoran immigrants in Los Angeles in the 1980s.
Since then, it has spread across the country and into Central America, with significant participation from Hondurans, Guatemalans and Mexicans. Many members signify their status with tattoos.
It is a loose confederation of gangs with no national leadership structure that operates in 42 states and has 10,000 members in the United States, according to the FBI. Locally, it has hundreds.
Its criminal activities include drug distribution, murder, rape, prostitution, robbery,
home invasions, immigration offenses,
kidnapping, carjackings and vandalism.
