Dead of the Night Nightmare Next Door : Season 6 Episode 1
Investigation Discovery 1h 00m
Aired: September 2nd, 2016 @ 9:00 PM EST on Investigation Discovery
When beloved store manager Mary Peterson is found stabbed to death in her bed, storm clouds brew over sunny Lakeland, Florida. Cops race through a lengthy list of suspects, but a tip from an unlikely source helps nab the cold-blooded killer.
