Dads of Camp Mystic flood victims on the pain of losing their daughters, pushing for safety changes: Ryan DeWitt and Matthew Childress, the fathers of a camper and counselor who died during last year's deadly floods at Camp Mystic in Texas, spoke to CBS News' Jason Allen about the pain of losing their daughters and their mission to push for safety changes in summer camps across the U.S. to prevent other families from experiencing the same tragedy. #CampMystic #FloodVictims #SafetyChanges #SummerCampSafety #GriefSupport