ABC World News Tonight with David Muir Full Broadcast - Dec. 17, 2025

Trevor Ault reports on Nick Reiner’s first court appearance after being charged with first-degree murder in the deaths of his parents, Rob Reiner and Michele Singer Reiner, as the family speaks out; two days after the fatal shooting of MIT professor Nuno Loureiro, Aaron Katersky has details on what sources say about investigators having no suspect or motive; Mary Bruce has the latest on Pres. Donald Trump’s address to the nation amid concerns about the economy and affordability; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:15 Nick Reiner appears in court for the murders of his parents, Rob and Michele, as the family speaks out 05:33 Pres. Trump addresses the nation on his first year in office and 2026 agenda 08:10 U.S. "blockade" of sanctioned tankers as Trump escalates pressure on Venezuela's president 09:34 Police seek identity of person in new image as search intensifies for Brown University shooter 11:22 Sources: No suspects, no motives in murder of nuclear scientist and MIT professor 12:55 Cross-country storm marches east ahead of Christmas travel 14:00 New York governor says she plans to sign a bill to legalize medically assisted suicide 14:52 Three rescued after car plunges into icy Illinois pond 15:10 Pilot survives after small plane crash in New Hampshire, fire officials say 15:33 Nationwide recall of So Delicious Salted Caramel Cluster pints over potential foreign objects 15:53 Doctor Timothy Johnson reveals prostate cancer battle in hopes of helping others 16:30 Made in America: Dog collars, ceramics, children's beds, and pies 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. Follow ABC World News Tonight on... Instagram:   / abcworldnewstonight   TikTok:   / abcworldnews   X (formerly Twitter):   / abcworldnews   Facebook:   / worldnewstonight   Threads: https://www.threads.net/@abcworldnews... ABC News is your trusted source for breaking news, analysis, exclusive interviews, headlines, and videos: https://abcnews.go.com/ Subscribe to ABC News on YouTube: https://bit.ly/2vZb6yP Watch full episodes on Hulu: http://abcn.ws/3bzvQQn #WorldNewsTonight #DavidMuir #News #ABCNews