1. The Fentanyl Killer

Luke D’Wit poisoned his millionaire neighbors so he could take over their business. His harrowing call to police gave detectives their first clues.

2. The Confession

A young mother's ex admits he’s responsible for her death but then retracts his confession. Also, the heartbreaking death of a 10-month-old baby.

3. The Killer Chemist

After Mitesh Patel strangled his wife and staged a burglary, he unknowingly left clues for police on his call to emergency services.

4. The Microscopic Mistake

A husband believes he’s carried out the perfect murder, but he forgets one tiny detail. How science trapped the man who thought he’d got away with it.

5. Killer in the Woods

Andrew Pearson kidnapped and killed his ex-partner. In a distraught call to police, he inadvertently left a series of clues as he spoke.

6. An Oscar-Worthy Performance

A fire kills the owner of a workshop and his distraught partner claims two masked men are to blame. Then, detectives make a shocking discovery.

7. The Killer Next Door

Collin Reeves stabbed his neighbors to death after a parking dispute. He blamed it on a mental breakdown but his call to police revealed the truth.

8. A Deadly Trap

It sounds like a routine call to police, but it's a deadly trap. The caller is a killer who’s vowed vengeance on the police.