Someone pulling open lockers and then opening and closing the door to three different lockers.
A person opens a gate to walk in, closes gate, and then opens and closes the gate while walking out. A squeaky door swing open and then shuts several times. A squeaky door swings open and then shuts several times. Someone pulling open lockers and then opening and closing the door to three different lockers. Someone prying open lockers as well as opening and closing the door to three different lockers.