When Death Comes Knocking - S1 E1

2. Paducah Ripper

When Robert Penn is murdered, it appears a stranger is responsible. But a doorbell cam points to someone close to home.

3. Bite the Hand

When tech CEO Fahim Saleh is found dismembered in his Manhattan home, elevator footage reveals his killer – and a shocking betrayal.

4. Shoot Your Shot

When NBA star Andre Emmett is gunned down outside his Dallas Home, doorbell footage helps police trace the killer – the motive turns out to be pure greed.

5. Ninja Sword Murder

When teen Ronan Kanda is stabbed to death, police discover his murder is a tragic case of mistaken identity.

6. Axeman

A teen calls 911 after his mother is attacked by a man with an axe. The killer is caught on doorbell cam carrying the weapon. Her family say the system failed her.

7. Price of Loyalty

[aka Betrayal] A police officer reports his wife has shot herself. But doorbell cam records a Sheriff’s Deputy calling at the house earlier casting doubt on his testimony.

8. Hammercide

When Jehovah's Witness Sharon Gordon is murdered, surveillance footage secures a conviction. 

9. Fatal Love Triangle

When airline executive Jamie Faith is murdered, detectives discover the killer was manipulated into the crime.

10. Dressed To Kill

When Nicki Collingbourne is murdered in Hertfordshire, the prime suspect is a man in a high-vis jacket.