In 1962, inmates and bank robbers Frank Morris and John and Clarence Anglin vanished from Alcatraz, the federal island penitentiary off the coast of San Francisco. They had used sharpened spoons to bore through the prison walls, left papier-maché dummies in their beds and floated away on a raft made from 50 raincoats.

How did they escape from Alcatraz?

Late on the night of June 11 or early morning of June 12, inmates Clarence Anglin, John Anglin, and Frank Morris tucked papier-mâché heads resembling their own likenesses into their beds, broke out of the main prison building via an unused utility corridor, and departed the island aboard an improvised inflatable raft …

Who successfully escaped from Alcatraz?

Frank Morris, John Anglin and Clarence Anglin successfully carried out one of the most intricate escapes ever devised, on June 11, 1962. Behind the prisoners’ cells in Cell Block B (where the escapees were interned) was an unguarded 3-foot (0.91 m) wide utility corridor.