A marginalized person will put up with discrimination for only so long before he snaps.
See my previous profile of "the Black Revolutionary of the day: Mark James Essex."
https://www.youtube.com/watch?v=wnB8a-sRiQoMark James Robert Essex (1949–1973) killed nine people, including five policemen, and wounded thirteen others in New Orleans on December 31, 1972 and January 7, 1973.
From Moore, Leonard. Black Rage in New Orleans (2010)
https://books.google.de/books?id=V7IluPG0GJ8C