World News Tonight with David Muir Full Episode: Sunday, December 7, 2025
Dec 8, 2025
Wintry weather sweeps across the Midwest with dangerous cold temperatures and snow on the way. Prosecutors unveil new evidence in the Luigi Mangione trial, including intriguing photos and a to-do list that raises eyebrows. Tensions heat up in Washington as lawmakers pressure Secretary Hegseth to disclose controversial video of a Caribbean boat strike. Meanwhile, in college sports, the 12-team playoff bracket causes a stir, while Lando Norris celebrates his first F1 title and Lionel Messi leads Inter-Miami to victory.
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Widespread Arctic Cold And Pacific Storm Risk
- A massive Pacific Northwest atmospheric river and an Arctic cold blast will hit different U.S. regions this week.
- Meteorologist Dani Beckstrom warns of flooding and sub-zero wind chills that could disrupt travel and daily life.
Key Evidence Presented In Mangione Case
- Prosecutors displayed a to-do list, an alias bus ticket, and video tying Luigi Mangione to the scene after UnitedHealthcare CEO Brian Thompson was fatally shot.
- Authorities say the evidence led to Mangione's arrest at a McDonald's in Altoona five days later.
Controversy Over Caribbean Boat Strike Footage
- Pressure mounts on the administration to release full video of a September 2nd strike that reportedly killed survivors clinging to debris.
- Lawmakers disagree on legality and target status, while Secretary Pete Hegseth says the release is under review.