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 day by his son Michael, who said Biggs had serious pneumonia but was stable. News of his condition prompted fresh calls from Michael Biggs for his release on compassionate grounds. On 23 April the Parole Board recommended that Biggs be released on 4 July, having served a third of his 30-year sentence. However, on 1 July Jack Straw did not accept the Parole Board's recommendation and refused parole, stating that Biggs was 'wholly unrepentant'. On 28 July 2009, Biggs was readmitted to Norfolk and Norwich University Hospital with pneumonia. He had been admitted to the same hospital a month earlier