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) He continued to reside in Mojacar until his death following an illness on 29 January 2016. While there has been a lot of mystery surrounding several of the gang who were not imprisoned, in reality the police knew almost the entire gang almost instantly. By 29 August 1963 Commander Hatherill had 14 names already, and told police that Brian Field had tried to enlist another gang to rob the train, who turned him down. Hatherill's list was unerringly accurate—all the major gang members who were later jailed were identified, except Ronnie Biggs. With the exception of the minor accomplices Lennie