Reconstructing the investigation into the murder of a man at an Ohio gas station. The case quickly revealed a web of secrets and lies connected to one of the community's richest families.

A former police officer comes home to find is whole family murdered; forensic evidence points to the former officer as a suspect despite his alibi.

Horror stocks a sleepy Welsh village, when a woman is butchered in Cold Blood. The grizzly evidence suggests a ritual sacrifice. Rumors and legends scatter police in all directions. Can forensic science reveal the madman behind the slaughter?

In 1995, 21 years after Cheryl Miller's murder, police reopen the case based on changing witness testimony.