The predator was first on the show back in 2021, but there's been a major update to his case ...

He was found not guilty in relation to supplying a firearm, but was caught on other charges ...

Add Yahoo as a preferred source to see more of our stories on Google. 24 Hours in Police Custody: A Family Vendetta examines the murders of Gary and Josh Dunmore by Stephen Alderton, pictured.

The investigative minds at How to Survive examine psychological resilience, social navigation, and practical safety steps for your first 24 hours in prison.