'Willful ignorance': Officer Dunn decries Jack Del Rio efforts to minimize Jan/ 6

U.S. Capitol Police Officer Harry Dunn, who helped defend the U.S Capitol on January 6th and trained Officer Carolyn Edwards, who will publicly testify before the Jan. 6 committee today, discusses the need for public hearings, why he decided to attend, and Washington Commanders coach Jack Del Rio's controversial comments about the riot.