Robert Duvall, RIP.
One of his prominent roles was of an LAPD cop in the 1988 movie Colors. The title referring to the Bloods and the Crips.
That movie basically advertised LA black street gang branding and imagery to every ghetto in the country. Almost overnight, many cities’ black gang scenes, which had been operating under their own names, brands and labels for a long time, suddenly dropped all that and became Bloods and Crips. Including St. Louis.
Curiously, East St. Louis, in Illinois, other side of the river, didn’t, because ESL is in Illinois and so is Chicago, and Chicago’s black gang branding was long and established enough and “revered” enough to change. ESL blacks and Chicago blacks do time in the same state prisons, the former getting and keeping their cues from the latter.
Countenance Blog 
https://fox2now.com/news/missouri/robert-duvalls-deep-ties-to-st-louis-area/
Yep, a lot of blacks get all their ideas from the TV. After that Michael Jackson video with Eddie Murphy and Iman playing Pharaoh and his queen all the blacks now think that “brothers” built the Pyramids…and this is in a town where the Egyptian Mafia owns all the ‘hood liquor, lottery, and fried chicken quickie marts that they patronize on a weekly basis and jive talk to the Egyptian owners when buying Hennessy. Cognitive dissonance, they see those real Egyptians who are middle eastern types all the time yet still hold fantasies about Kunte Kinte carving out the Sphynx.