ABC World News Tonight with David Muir Full Broadcast - July 22, 2024

After a historic 24 hours, Mary Bruce has the latest on Vice Pres. Kamala Harris campaign for the Democratic presidential nomination as key party leaders – including Nancy Pelosi – rally behind her; Pierre Thomas reports on Secret Service director Kim Cheatle’s fiery hearing on Capitol Hill amid bipartisan calls to resign over the assassination attempt on Donald Trump; Alex Perez reports on the disturbing body camera footage showing the moment an Illinois sheriff's deputy fatally shot unarmed mother Sonya Massey in her own kitchen.