On June 11, 1962, Frank Morris, John Anglin, and Clarence Anglin carried out one of the most audacious escapes ever devised. Behind the prisoners cells in Block B was an unguarded narrow utility corridor. The prisoners chiselled away the damp concrete around an air vent leading to this corridor, using just a metal spoon and an electric drill theyd improvised from a stolen vacuum cleaner motor. The noise was disguised by instruments played during music hour, and the progress concealed by false walls.The escape route led up through a fan vent which the prisoners removed and, using a stolen carborundum abrasive wire, they removed the