Starting with the victim's last day and crucial clues, investigators explore the final hours of unsuspecting victims to determine the cause of death.
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.
Two young women are attacked under similar circumstances, leading detectives to a killer.
