In the wealthy village of Denham in Buckinghamshire, Lee Hannigan and Harry Hicks-Samuels play the part of successful businessmen really well. Hannigan has a car garage, a mansion with a Ferrari on the drive and a place in Dubai. Hicks-Samuels is only 27 but has a watch business and flat in a luxury development.

But the secrets of where their money really comes from are on their EncroChat phones.

Presenter: Mobeen Azhar Series Producer: Andrew Hosken Editor and Executive Producer: Innes Bowen Catching the Kingpins is a BBC Studios Production for BBC Sounds.