A high school friend of Luigi Mangione remembers a teenager with enormous potential
Hide SummaryA prep-school valedictorian and Ivy-educated tech worker, Luigi Mangione grew up wealthy, smart and successful. Now police have charged the 26-year-old with the murder of UnitedHealthcare's CEO.Read more
Kroger and Albertsons grocery megamerger halted by federal court
Hide SummaryThe ruling makes it increasingly likely that Kroger might abandon its $24.6 billion plan to buy Albertsons. The merger would have combined two of America's largest supermarket chains. Read more
Trump-era Justice Department subpoenaed congressional staffers, watchdog finds
Hide SummaryBut the department's internal watchdog found no evidence of political motivation by federal prosecutors.Read more
Police say UnitedHealthcare's CEO was likely killed with a ghost gun. What are they?
Hide SummaryPolice 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.Read more
Arctic tundra now emits planet-warming pollution, federal report finds
Hide SummaryArctic tundra is releasing greenhouse gases into the atmosphere as hotter temperatures melt frozen ground and wildfires increase. Read more