Police are baffled after Melissa White is found murdered in the backyard of her Viola, Ill., home then they take a closer look at her neighbors and unearth a secret.

After John Tarwacki Sr. discovers the bodies of his son, John, and his daughter-in-law, Carolyn, police find boot prints in the snow revealing the path their killer took, then the search for a motive leads them down an unexpected path.

When a couple is gunned down, a scrawled message leads police to suspect the crime may be related to drugs, even though there's no evidence the victims were involved in the drug trade.

The townspeople of Glendive, Mont., are paralyzed with fear after Susan Casey vanishes, and the investigation leaves everyone wondering if one of Casey's former flames is harboring a sinister secret, or if someone else is stalking their town.

Source: Investigation Discovery

Carla Fuqua fails to come home following a night out with friends, and her family are worried because she's a devoted mother who would never leave her son behind.

In Auburn rumors circulate after George Jodoin is found dead in his bed and three of his closest friends emerge as the main suspects.

Cindy Borton is discovered stabbed to death in her home and a note found at the site of an arson fire ends up turning the investigation on its head.

In Juliette a couple of college students are shot whilst parked in lovers' lane.

Michael Augustson returns home in Alma and discovers wife murdered in a scene of shocking horror.

The bullet-riddled bodies of Skyla Whitaker and Taylor Placker are discovered and panic breaks out amongst the community members of Weleetka, Okla.