Former Belmarsh officers and inmates reveal how 'strapping' criminals charm young female prison workers and 'condition' them into scandalous romances - as it's revealed that Zara Aleena's killer was caught having sex with member of staff at jail
Former staff and criminals at 'Hellmarsh' - built next to the River Thames in South-East London - opened up in Channel 5's documentary, titled Belmarsh: Evil Behind Bars.