Investigations

In depth stories and investigations.

1. The Big One—Gangster, Gangster Presents... The Story of Ronnie Biggs
How is a criminal ‘legend’ born? Daniel Mays delves into unheard Biggs tapes to find out.
Release date:
07 May 2026
Fame Under Fire
Diddy’s leaked tape controversy and the appeal to overturn his sentence
Scam Secrets
Exposing the secret techniques criminals use to steal your money.
1. Love story—World of Secrets, Searching for Soldier Dad
Why don’t I have a father? Cathy wants answers from her mum Maggie
Release date:
20 Apr 2026
File on 4 Investigates
File on 4 Investigates: News-making original journalism.
Natalie McNally Murder: YouTuber on Trial
Kelly Bonner and Chris Buckler present a special podcast series from BBC News NI.

1. The Big One—Gangster, Gangster Presents... The Story of Ronnie Biggs