Other mistake: In one scene we see a "chalk outline" on the ground of where the pimp's body was laying. This is something that is never done in real life given it can contaminate the crime scene. (00:34:00)
Other mistake: Several times during the film Captain Ramey's police badge is displayed on his belt and it is a NYPD Detective's badge, not a NYPD Captain's badge. The two badges look very different, so they are easy to tell apart. (00:35:10)
Other mistake: Towards the end of the movie, after the sniper talks to Stu in the ambulance, the camera rises, and you can see that the street and sidewalk are wet, and below the police cars, the concrete is dry; when in the whole movie, it never rained at all.
Answer: Of course he's got a laser - we see the red dot, ergo, he's got a laser. Whether this is a laser sight attached to his rifle, or just an ordinary hand-held laser pointer like a lecturer might use, we have no way to know.
Tailkinker ★