West informed the guards of Morris' astonishing plan, leaving them stunned by the cunning of a convict with a history of multiple crimes. When three prisoners failed to wake up on time, the guards inspected their cells and were shocked to find dummies in place of the inmates. This incredible escape took place at Alcatraz , the infamous and inescapable prison. Situated on an island in the USA, the prison was surrounded by icy waters teeming with sharks. Despite the watchful eyes of the most formidable guards, who were authorized to shoot any escapees on sight, the three prisoners managed to flee. But where could they have gone from a prison with no apparent way out? Read on to discover the rest of the story.