During the chase of the female driver by police, she crashes head on into a car parked on the street, propped up on blocks, which brings her car to a full stop, but when they cut to a different angle her car is shown only side-swiping the park car and then she continues speeding down the road.
At the beginning of the movie when Danny and Bob first meet in the police station washroom, there is something in Bob's back pocket that is sticking out in some shots, but disappears in others.
At the end of the movie, when the gang members are partying in the hills, the police conduct a raid. One of the police cars is seen pulling into the area from the background and turns on it's overhead lights. It is then seen arriving from the background and turning them on again 2 seconds later.
When Larry and Rocket are about to go one-on-one in a shoot-out, the car behind Larry is empty. When the firing starts, the car is full of people.
In the graffiti spray painting scene when Sean Penn sprays green paint on the kid's face, in the next scene the amount of green paint has increased substantially to cover the kid's entire face.
When Hodges calls in to radio dispatch that they are chasing a black Ford LTD, it is actually a Mercury Marquis that they are chasing.
The officer who shoots Killer-Bee is chastised by Hodges. However, the officer acted properly when facing a known gang member who made sudden movements to reach for something. As it could be a weapon he was reaching for, the officer was right to use deadly force.
The house and address (1070 N Hicks Ave) where the Hispanic party gets shot up in a drive by is actually located in the LA Co Sheriff's/ ELA station jurisdiction, although it's very close to the LAPD border.
At 1:15:23, while McGavin is fighting High-Top, Sean Penn is heard saying "Take my glasses" to Glenn Plummer, who seconds later swipes them off Penn's face before punching him in the face.
At the beginning of the movie the unit is attending a shift briefing. All the officers are in street clothing. Briefings are done in uniform as the officers are considered "On-Duty." Also, this allows the supervisors to conduct a informal inspection.
The shadow of the camera mount can be seen on Hodges' car during the car chase scene.
The alley off of 104 W. 113th St. in which Hodges and McGavin come across a group of Crips and High Top, is not the actual alley shown in the film. If you look it up on Google Maps, you can see that it doesn't have an alley that crisscrosses it halfway down the alley. It just continues on to the next street.
At the beginning of the movie, while Hodges and Pacman are at the bridge in the car, he goes to drive away, but actually moves the gear into park.