Millennium - Season 1 Episode 9 Wide Open

A man, Cutter, parks his automobile near a home with a "For Sale" sign on the front lawn. After speaking briefly with a realtor, Cutter signs his name in a guest book and makes his way through the house, where he takes particular interest in a little girl's bedroom. Later that evening, the owners return home and tuck their young daughter, Patricia, into bed. Later that night, Patricia suddenly begins screaming.