A NEW documentary series is set to air all about the secrets of the UK’s most famous prisons, with the first focusing on HMP Dartmoor.
It’s fronted by presenter and barrister Rob Rinder. Here’s all you need to know about one of Dartmoor’s most notorious inmates, who the Kray twins helped break out.
Rob Rinder uncovers a secret history of Britain hidden behind prison wallsChannel 4 Frank Mitchell was imprisoned after escape from an institution for the criminally insaneWho is ‘The Mad Axeman’?