Forensics Don't Lie: In Tulsa, detectives embark on a relentless pursuit to bring justice to the killer of a homeless woman.

Brave Witnesses: Three cases from the First 48 archive follow investigations where witnesses bravely shared case-breaking information.

Beware of Strangers: Three cases from the First 48 archive follow investigations into the deaths of innocent people who happened to cross paths with a killer.

A Woman's Work: Three Tulsa cases where the suspects are female, a killer unknowingly leads detectives to a body and a mother is murdered with a butcher knife.

Fatal Friendship: In New Orleans, friends clash over money. In Florida, an elderly man turns deadly with new pals. In Dallas, a wild night ends tragically.

Fatal Feuds: In Tulsa, a shooting in a parking lot leads investigators to undertake an undercover operation to capture the suspect.

Miraculous Survivors: In New Orleans, a Bourbon Street shooting leaves one survivor. In Birmingham, a young man is killed at home, leaving only his girlfriend alive.

A killer unknowingly leads detectives to a body, then a homeless couple is taken in by a friend, but when he ends up dead.

In the Name of Love: Part 2: Detectives investigate a double murder after a couple's argument turns deadly, uncovering a case driven by jealousy.

Close to Home: Three cases hit close to home, including the murders of a retired police captain, a corrections officer and a detective.