The movie explains how the CIA used money from the sale of cocaine from Nicaragua, sold into Los Angles, to fund a war in Nicaragua against communism.
Los Angles police were raiding dealers and taking their money. When they got to Rick Ross, they let the K9 loose on him while he was handcuffed. The dog bit him up. When Rick kicked the dog, the police started beating him.
The whole movie is eye opening. It has 5 stars out of 5 stars on Netflix.