Police say UnitedHealthcare's CEO was likely killed with a ghost gun. What are they? Police say the suspect had a ghost gun, possibly made with a 3D printer, when he was arrested on Monday. Here's what to know about the increasingly widespread weapons and efforts to regulate them. Rachel Treisman
'We're absolutely in panic mode': Toymakers are bracing for Trump's tariffs Toy companies are preparing for tariffs in the new Trump administration. Nearly all toys sold in the U.S. are imported — mostly from China. Scott Horsley
Examining President Biden's major economic accomplishments NPR's Michel Martin speaks with Lael Brainard, director of the National Economic Council, about President Biden's economic legacy. A Martínez
A phone company developed an AI 'granny' to beat scammers at their own game The company behind the scam-baiting granny said the AI technology can keep scammers on the phone for 40 minutes at a time, keeping them away from real people. Alana Wise
Lawsuit: A chatbot hinted a kid should kill his parents over screen time limits Two families are suing AI chatbot company Character.AI for allegedly encouraging harm after the kids became emotionally attached to the bots. One chatbot allegedly exposed a child to sexualized content. Bobby Allyn
Taller vehicles are more dangerous to pedestrians, even at low speeds, research finds A study by the Insurance Institute for Highway Safety shows higher speeds are worse for pedestrians regardless of vehicle height — but those risks are amplified for vehicles with taller front ends. Joel Rose
Top 'Washington Post' editor kills article on deputy's departure Washington Post Acting Executive Editor Matt Murray killed a story about the departure of a veteran and popular editor for a senior position at the New York Times. David Folkenflik
How might President-elect Trump's threatened tariffs affect the auto industry? President-elect Trump's threatened 25% tariffs on imports from Mexico and Canada could have an enormous impact on the auto industry. Andrea Hsu
U.S Court of Appeals has upheld a law that would force the sale of TikTok A panel of three judges from the U.S. Court of Appeals for the D.C. Circuit has upheld a federal law Congress passed in April mandating that TikTok will be banned in the United States unless its sold. Bobby Allyn
This little electric car made history. 25 years ago, GM stopped making it The EV1 was the first modern, mass-produced electric vehicle from a major automaker — pioneering some technologies you can still find in today's EVs. But the model was controversial, and short-lived. Jack Mitchell
