Some references.

a man is shot and flies out of a window to his death

a man is shot during a basketball game. (the shooter is soon after shot by police)

a man is shot in the chest, blood is shown

a few beatings

many uses of fuck (100+), shit, and other profanities. nigga is used liberally many times.

people smoke marijuana and cigarettes

a main character is killed, very emotional.

overall an intense movie.