ABC World News Tonight with David Muir Full Broadcast Dec 16, 2024

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Alex Perez reports on the deadly shooting at a Christian K-12 school in Madison, Wisconsin, sources say a female student opened fire, killing a teacher and a student and wounded six others; Whit Johnson has the new details on the FBI and Dept. of Homeland Security deploying drone detection technology and infrared cameras to New York and New Jersey after a spike in unexplained drone sightings in at least seven states; Mary Bruce has details on President-elect Trump's controversial cabinet pick for the Dept. of Health and Human Services, Robert F. Kennedy Jr., meeting with Republican senators on Capitol Hill to defend himself after years of spreading false theories about vaccines; and more on tonight’s broadcast of World News Tonight with David Muir.

00:00 Intro
02:10 Sources: Female student opened fire inside a Christian school, killing a teacher and student
04:53 FBI, DHS join mystery drones investigation, deploy high-tech detection
08:05 Trump defends health nominee RFK Jr. as Kennedy faces questions on vaccine stance
10:56 CEO murder suspect Luigi Mangione could return to New York City soon
12:31 Northeast expecting big weather warmup after heavy rain
13:27 Kidnapped American's mother begs Netanyahu to pause Syrian strikes as crews search for son
15:18 Federal charges filed in deadly attack on 3 U.S. soldiers in Jordan

16:02 Fire at New York City's Herald Square holiday market destroy several small business booths
16:18 Delta Air Lines stowaway, arrested again trying to flee U.S.
16:46 American tourist among several people possibly poisoned at 5-star Fiji resort
17:12 Made in America: Small businesses create gifts and American jobs this Christmas

ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world.