Episode 1
A cop reopens a decades-old case of a woman shot dead in her bed. It was initially ruled as suicide, until modern forensics and new witnesses emerge.
Episode 2
Police turn to surveillance footage to learn about the last moments of a woman whose burning corpse was found outside Atlanta - and find her killer.
Episode 3
The daytime shooting of an Ohio man confounds Silverton police until security video surfaces. Was a broken heart at the centre of this violent act?
Episode 4
Fear grips San Diego after police find a murdered woman's body tossed over a highway bridge. Investigators are led to a suspect that shocks everyone.
Episode 5
The murder of a hardworking Syrian immigrant in Jacksonville, Florida, uncovers a history of theft and violence spanning years that shocks police.
Episode 6
Solving a murder is hard enough. But what happens when detectives are faced with a perpetrator who knows how to stay one step ahead - a killer with a badge.