 Author Stephen Graham Jones tells a classic tale of slasher vengeance through the eyes of the killer in I Was a Teenage Slasher. But he wants you to know that there's a lesson there for everyone. If we all imagined that we had a slasher who was going to punish us for what we've done wrong, I think we might do less wrong. That conversation, plus all the news, Sunday on Week in Edition from NPR News. Tomorrow morning from 5 to 10 on KNPR.