The Alcatraz Story Cupboard

If you love to write alternate history stories this Yahoo news story gives you plenty of food for thought.  Scientists have proven that the three men who escaped from Alcatraz in 1962 on a homemade raft could have made it to shore if they left at the right time.  Not only is the escape worth a few paragraphs in the story but what happened to them if they did survive?  Did they go back to a life of crime or did they go straight?  And how could they have changed history?