About the show
Danny ventures into the dark depths of the underworld to hunt down some of the most notorious and feared men in Britain today.
With unprecedented access to some of the UK’s darkest and compelling characters, from ex-SAS operatives and an underworld crime figurehead to elite undercover cops and former UDA gunmen, Dyer will get up close and personal with these hard men.
He'll recreate never seen before real-life crime scenarios and find out exactly what makes these men tick.
