Investigators discover a blurred image of Mollie Tibbetts jogging followed by a black car.
A witness comes forward to reveal crucial details of murdered U.S airman Nathan Paet’s last day.
Cell phone records help investigators discover what happened to 21-year-old Kelsie Schelling.
Investigators delve into forensic evidence from the scene and mobile data to solve the crime.
Security footage from LaNell Barsock’s last day sends investigators in a new direction.
A weekend of housesitting turns into a deadly nightmare for 16-year-old Cassie Jo Stoddart.
When Gloria Pointer is killed walking to school, detectives re-trace her steps looking for clues.