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 the Barbados coastguard and towed into port in Barbados. The kidnappers hoped to collect a reward from the British police; however, like Brazil, Barbados was found to have had no valid extradition treaty with the United Kingdom (a fact which chess player David Levy claimed to have paid lawyers to unearth) and Biggs was sent back to Brazil. Biggs's son by de Castro, Michael Biggs, eventually became a member of the successful children's programme and music band Turma do Balão Mágico, bringing a new source of income to his father. In a short time, however, the band faded into obscurity