ABC World News Tonight with David Muir Full Broadcast - September 12, 2025

Following the horrific assassination of conservative activist Charlie Kirk, Matt Gutman reports on the arrest of 22-year-old suspect Tyler Robinson, Pierre Thomas has details on what we’re learning about the suspect and Jon Karl has more on Utah Gov. Spencer Cox’s stark warning about political violence; David Muir shares the story of a father and son in Costa Mesa, California, who inspired millions with their simple morning routine; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:23 Suspect in the murder of Charlie Kirk allegedly confessed to his family 07:49 Officials: Evidence suggest Charlie Kirk murder suspect consumed by internet culture 10:25 Utah Gov. Spencer Cox issues stark warning about political violence after Kirk killing 12:42 False shooting report leads to gunfire at U.S. Naval Academy in Maryland 14:20 DHS: ICE officer fatally shoots undocumented man who resisted arrest, dragged agent with car 14:38 NATO steps up air defenses after Russia violates Poland's airspace 16:16 Motel worker facing murder charges in gruesome beheading of Dallas motel manager 16:51 JetBlue plane clips restaurant window at Richmond airport in Virginia 17:06 Dust devil whips up corn field in Mississippi 17:28 Person of the Week: California toddler who watches cars on stoop inspires millions to appreciate the simple joys in life 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: https://www.instagram.com/abcworldnewstonight/ TikTok: https://www.tiktok.com/@abcworldnews X (formerly Twitter): https://twitter.com/ABCWorldNews Facebook: https://www.facebook.com/WorldNewsTonight Threads: https://www.threads.net/@abcworldnewstonight 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