You know my first reaction was that he looked a little like Charlie Birger, but no my senses are a little off these days so I'll reserve that comparison for another day.
Charlie doesn't really seem to have been a very nice guy but he appears to have known how to play the system. His original sentence was for 10 to 21 years. He got that commuted to 1 to 5 by having one of the men he robbed Arthur Henderson write a letter saying that he was never certain of the robber’s identity. In fact once
I do wonder if this is the right Charlie Mays though; I mean supposedly he murdered a man in that box car when he was robbing them. His papers don't mention the murder although there is a statement that one of his victims can't be found.