Season 3

Police are baffled when Melissa White is found murdered in the backyard of her Viola, IL, home. But when investigators take a closer look at Melissa's neighbors, they unearth a secret. Could this be the key to apprehending Melissa's murderer?

When John Tarwacki Sr. discovers the bodies of his son and daughter-in-law in their Niles, MI, home, the only story told at the scene is found in the snow. Boot prints reveal the path the killer took, but the search for motive will lead police in a startling direction.

When a couple is gunned down in the presence of children, a cryptic message scrawled across their Monte Vista, CO, home leads police to suspect the crime may be drug-related. The only problem is, there's no evidence the victims had any involvement in the drug trade.

The tiny town of Glendive, MT, is paralyzed with fear when mother of four Susan Casey vanishes. The ensuing investigation leaves everyone to wonder if one of her former flames is harboring a sinister secret?

When 28-year-old widowed mother Carla Fuqua vanishes after a night out with friends in Piedmont, AL, her family panics. She's a dedicated mother who would never leave her son behind. Even worse, Carla has become the fourth missing person in a town of less than 5,000.

Rumors fly in the small town of Auburn, NH, after well-known local George Jodoin is found murdered in his bed and the top three suspects are his close friends.

When Cindy Borton is found brutally stabbed to death in her home in Shenandoah, IA, authorities immediately suspect those closest to her. But a note left at the site of a local arson lights a trail that turns the investigation on its head.

When two Mercer College students, dating couple Grant Hendrickson and Michele Cartagena, are gunned down while parked in a quiet lovers' lane in Juliette, GA, the tiny community is beside itself with panic.

When Michael and Melisa Augustson move to little Alma, GA, they're soon taken in by the community. But on December 14th, Michael comes home to a scene of unspeakable horror — his wife has been murdered, and only one person in the town knows why.

The discovery of the bullet-riddled bodies of Skyla Whitaker and Taylor Placker in tiny Weleetka, OK, sends the community into a state of panic. If two of Weleetka's most innocent can fall victim to the sadistic killer, no one in town is safe.