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 for his release on grounds of compassion, said that their client's death was likely to be imminent. On 26 October 2005, the Home Secretary Charles Clarke declined his appeal stating that his illness was not terminal. Home Office compassion policy is to release prisoners with three months left to live. Biggs was claimed by his son Michael to need a tube for feeding and to have "difficulty" speaking. On 4 July 2007, Biggs was moved from Belmarsh Prison to Norwich Prison on compassionate grounds. In December 2007, Biggs issued a further appeal, from Norwich Prison, asking to be released from