ABC World News Tonight with David Muir Full Broadcast - April 17, 2024

Rob Marciano tracks the powerful weather system marching east that’s put millions under tornado threat and brought at least 16 confirmed tornadoes to four states; Gio Benitez has details on the former and current Boeing employees testifying about safety concerns on Capitol Hill; Mireya Villarreal reports on the court appearance of the four suspects accused in the murder of two Kansas mothers who were on their way to pick up children for a birthday party; and more on tonight’s broadcast of World News Tonight with David Muir.