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 and dissolved, leaving father and son in financial difficulty again. In 1991, Biggs sang vocals for the songs "Police on My Back" and "Carnival in Rio" by German punk band Die Toten Hosen. In 1993, Biggs sang on three tracks for the album "Bajo Otra Bandera" by Argentinian punk band Pilsen. In 1997 the UK and Brazil ratified an extradition treaty. Two months later, the UK Government made a formal request to the Brazilian government for Biggs's extradition. Biggs had stated that he would no longer oppose extradition. English lawyer Nigel Sangster QC travelled to Brazil to advise Biggs. The