Going Back to the Drawing Board
It was continued in the letter from (supposedly) John Anglin in 2013 that “yes we all made it that night but barely!… My health has been declining since I turned 83 years old. I have cancer. In addition, Clarence Anglin passed away in 2011, and Frank Morris presumably passed away in Argentina in 2008. The letter suggests that after John Anglin escaped, he settled in Seattle and North Dakota. Furthermore, he stated that he now resides in southern California in the year 2013! It's only a few hours away from the spot he escaped from in the '60s.