Investigation Discovery Sunday

The case of Sean Farmer and Scott Johnston, whose break in a remote campsite in Virginia on a fishing trip was blighted when a mysterious stranger opened fire on them

The case of college sweethearts Ashley Freeman and Mike Grinnan, for whom a late-night drive to a secluded Texas hill led to a desperate fight for survival

When a co-worker found 67-year-old Karen Navarra dead in a bloody scene at her California home, the seemingly contradictory physical evidence baffled police

When police discover a missing three-year-old child dead in Haddon Township, New Jersey, they must turn to the digital evidence to pinpoint the killer.

How, in Michigan, a simple affair between two colleagues became more complex as the lovers proved willing to do anything - even commit murder - to protect their secret

A case with origins in the deaths of three men over a 12-year span. When a deadly car explosion ripped through Pensacola, Florida, links were made and suspicions arose