rom Channel 5 Documentary : Documentary tracks the amazing escape attempt, how it was planned and exactly what happened to the three prisoners, who were never seen again. The show has footage of interviews with former inmates who knew what was happening, prison guards from Alcatraz and FBI agents. Each of these contributors offer an interesting angle on life at the prison and how likely it was that the men actually made it to shore in their makeshift raft. Three modern day coastguards agreed to retake that fateful journey in a replica of the raft which the prisoners used to escape, in an attempt to see if it was possible that they survived.