WATCH RELATED VIDEO Submit Michigan State Trooper Paul Butterfield was shot in the head and killed while performing a traffic stop on Monday and now Jack Knysz, the father of the suspect, is speaking out. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.