He was the mastermind of the mass prison break from a German camp which inspired the iconic film The Great Escape. But a new book has now suggested Spitfire pilot Roger Bushell could also have been linked to the assassination of notorious Nazi officer Reinhard Heydrich, known as 'Hitler's Hangman' and the acting Reich Protector of Bohemia and Moravia. Simon Pearson's The Great Escaper places Bushell in Prague at the time Heydrich's car was bombed by Czechoslovakian Jan Kubiš, and Slovak Jozef GabÄÃk, which led to the Nazi officer's death a number of days later.