Hey, I saw that one on nothigntoxic.com yesterday. I bet it won't get taken down from there if the youtube one goes. Hell of a zap, that. He actually caught fire! you can see the head burning as he's laying on the train.
Actually, this made me think of excecution by electricity. In "the chair" they really seem to take their time. This incident was humane IMO if applied as excecution. It's ZAP and it's all over in that instant.