Camp 020 at Latchmere House in Ham, Surrey (now in the London Borough of Richmond upon Thames), was a British interrogation centre for captured German agents during the Second World War.
He and two others, medical officer John Smith and interrogator Lieutenant Richard Langham, were tried by British military court of inquiry in Germany.
[5] In 2012, Ian Cobain in the book Cruel Britannia claimed that documents obtained at the National Archives proved that torture methods had been used at Camp 020 to extract information and that 30 rooms there had been turned into cells with hidden microphones, further that there were mock executions and several inmates were treated brutally by the guards.
[8] The depiction stirred controversy, as the BBC dramatisation showed the use of physical assault on individuals being interrogated.
[8] In 2013, a pair of characters, based on Stephens, also appears in "The Cage", the second episode of series 7 of Foyle's War.