Watch Live: First hearing on the attempted assassination of Donald Trump

Watch live as the House panel investigating the attempted assassination of former President Donald Trump holds its first hearing. Testimony will be heard from the following:Mr. Edward Lenz: Sergeant, Adams Township Police Department, Commander, Butler County Emergency Services UnitMr. Drew Blasko: Patrolman, Butler Township Police DepartmentMr. John D. Herold: Lieutenant, Pennsylvania State PoliceMr. Patrick Sullivan:...