Twisted

Twisted is a 1986 psychological thriller starring Christian Slater.

This film is about Mark Collins (Slater), a psychotic teenager using electronic tricks. He is eavesdropping on his parents' conversations by wiring every room in the house. When a baby sitter appears, Mark starts to torment her with his tricks.

Tropes included:

 * Ax Crazy
 * Creepy Child - Mark and in the end.
 * Devil in Plain Sight
 * Driven to Madness -.
 * Four Eyes, Zero Soul
 * Hoist by His Own Petard -
 * Jerk Jock - Williams
 * Karmic Death -
 * Older Hero vs. Younger Villain
 * Teens Are Monsters
 * Trickster