When the detectives enter the victim's grow room to discover her "marijuana crop", the plants are NOT cannabis plants at all.
It is implied that youth can ejaculate without sperm. Ejaculate and sperm production both occur together at puberty. The premise that there was no sperm so it was a youth offender is not factually correct.
After the first interview, the captain reaches out, almost off screen near a window frame, and acts like he is turning a knob on the side of a box to turn a speaker off. As the camera pans out, you can see that the speaker box is at least another six inches away from where he reached, and the knobs are on the front of the box, not on the side.
While searching student lockers at the school the detectives use bolt cutters to cut the padlocks off. However this would not be necessary because the school has master keys for all the locks, including the combination padlocks which have a slot in the back for a master key.