Tandy Cronyn

The residents of a New York apartment building are shocked when one of them is shot during a burglary. They decide to hire a security expert to patrol the building, but he seem a little over-committed to his work. (imdb)

Mark Collins (Slater) is not your average little boy. He is a whiz at school, but at home he is darkly manipulative and cunning. When a new babysitter is hired he makes it his mission to break her down psychologically.