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) Bruce Reynolds and Buster Edwards. Wilson's escape was yet another dramatic twist in the train robbery saga. Eleven months after Wilson's escape, in July 1965, Biggs escaped from Wandsworth Prison, 15 months into his sentence. A furniture van was parked alongside the prison walls and a ladder was dropped over the 30-foot-high wall into the prison during outside exercise time, allowing four prisoners to escape, including Biggs. The escape was planned by recently released prisoner Paul Seaborne, with the assistance of two other ex-convicts, Ronnie Leslie and Ronnie Black, with support from Biggs' wife, Charmian. The plot saw two other