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Take a fascinating look inside the notorious HMP Wakefield Prison, which has housed some of Britain's most infamous and violent criminals.
Through interviews with ex-inmates, retired guards and relatives of Britain's most infamous inmates, this documentary uncover secrets of life inside one of the UK's toughest jails.
Titles, characters and all other elements are the trade marks and copyright of TVNZ or its licensors. All rights reserved. Further details available here.