The one foot deal surprised me too. If you look at the pic, he obviously thrashed around that t post a lot. It may not have been a humane death, but it was a timely one.
I used the setters, but a slight twinge of fear probably made this first round difficult for me. The 2nd was easier than the first, and the 3rd easier than the 2nd.
Hopefully I'm done with the traps for a while.