Movies Like DIsturbia:
Outing the Psycho Next Door Movies
The protagonists in these movies — usually teenagers during endless summers — find themselves responsible for uncovering the ghouls, psychos, and serial killers in their otherwise normal neighborhoods.
After suspecting that their police officer neighbor is a serial killer, a group of teenage friends spend their summer spying on him and gathering evidence, but as they get closer to discovering the truth, things get dangerous.
A pair of mischievous high school kids create the illusion of a haunting on an unsuspecting elderly neighbor while keeping his every reaction under surveillance. A series of coincidences leads to tragedy.