ABC World News Tonight with David Muir S2026E107 - Episode 107

Matt Rivers has the latest on the gunman who opened fire at Mexico's historic Teotihuacán pyramids, one of the most iconic tourist sites in the world, killing at least one tourist from Canada and injuring several others; Gio Benitez reports on the two Southwest planes near Nashville that were forced to take evasive action after flying within 500 feet of each other possibly due to an air traffic controller's error; Apple CEO Tim Cook is stepping down and John Ternus will take his place as the head of the technology giant; Elizabeth Schulze has more on the major shakeup and what it could mean for the future of Apple; and more on tonight's broadcast of World News Tonight with David Muir.