Ice Cold Killers (2012)

S4E4 A Winter's Grave

Amidst a frigid winter in Wisconsin, a single mother goes missing. Authorities discover that she had been followed by two men at a local bar shortly before her disappearance, indicating that the threat was far from over. As the investigation unfolds, a violent attack, a mysterious email, and an unsettling confession reveal the harrowing details of a fatal encounter.