In the opening scene, when Malloy is driving the car, his top two shirt buttons are open. When he gets out of the car to assist the girl who's just been attacked, only his top shirt button is open.
The store clerk describes the thief as having gray hair, but the thief's hair is mostly red with only the very top showing hints of gray.
Donny, the juvenile burglar, twice asks if his uncle will be alright: once going into the commercial break and again immediately after the break.
When Reed and Malloy return to the school to pick up the sergeant, Reed remains in the car and then opens up the rear passenger door from the inside to let the sergeant in. Rear doors in police cars are configured not to open from the inside lest a person in custody tries to flee.
When Pete is driving the ice cream truck and is chasing the rapist through the park after he leaves the tunnel, you can see tire tracks in the grass obviously left there from a previous take.
In the classroom scene, one student is wearing sunglasses and in the closer shot, you can see the production lights reflecting off the lenses.