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
RAF Northolt station commander and the RAF Chaplain-in-Chief. Attention was high again in 2001 when Ronnie Biggs, the seriously ill, fugitive Great Train Robber, was flown from Brazil to the airfield to be arrested by waiting police officers. Biggs had escaped from custody in 1965; upon his return he was taken to Belmarsh Prison to complete the remainder of his sentence. Since 1 June 1998, station commanders have served as aides-de-camp to Her Majesty the Queen. The station received the Freedom of Entry to the London Borough of Hillingdon on 11 May 2000. This allowed military personnel to march through the borough