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
Great Train Robbery (1963) did not want the police looking for him, as at the time of publishing (1965) Reynolds, White and Edwards were still on the run. Ronnie Biggs, in his 1994 autobiography, "Odd Man Out", said that Bruce Reynolds offered him a chance to join the gang, if he could find a train driver. Biggs was renewing the front windows of a train driver's house in Redhill, who he calls 'Peter' (and who he believes to be dead by 1994). Ronnie offers him a £40,000 share of the profits, and tells Reynolds and gives his address John Daly who then proceeds to