Using Science
Some scientists made some current charts that supposedly date back to when the men escaped. In theory, based on the way the current was moving the night the men escaped, they probably got swept further south. The police were not searching south, they were looking in a direct line from the jail to the city, that's probably where they went wrong...
Did You Want to Hear More Evidence?
Despite the boat captain's claims, it's safe to say that most conspiracy theorists assume that the men lived through the escape. For instance, one of the largest bits of evidence was a confession from Robert Anglin, the younger brother of John and Clarence. He stated on his death bed that they had been in contact after the escape...