Jack Slipper Jack Slipper Jack Kenneth Slipper (20 April 1924 in London – 24 August 2005 in Pershore) was a Detective Chief Superintendent in the Metropolitan Police in London. He was known as "Slipper of the Yard" (referring to Scotland Yard). He was mainly known for his role in investigating the Great Train Robbery of 1963, and in tracking down Ronnie Biggs after he escaped from prison in 1965, although he had to leave Brazil without Biggs. Slipper was born in Ealing, west London, and educated at Little Ealing School. He left school aged 14 and worked as an electrician's apprentice until
Ronnie Biggs London, on 8 August 1929. As a child during the Second World War, he was evacuated to Flitwick, Bedfordshire, and then Cornwall. In 1947, at age 18, Biggs enlisted in the Royal Air Force. He was dishonorably discharged for desertion two years later, after breaking into a local chemist shop. One month after that, he was convicted of stealing a car and sentenced to prison. On his release, he took part in a failed robbery attempt of a bookmaker office in Lambeth, South London. During his incarceration in HMP Wandsworth, he met Bruce Reynolds. After his third prison sentence, Biggs