NPR Topics: National
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
What we know about murder suspect Luigi Mangione. And, why food recalls are rising
Hide SummaryPolice arrested Luigi Mangione yesterday and charged him with the murder of UnitedHealthcare CEO Brian Thompson last week. Here's the latest details. And, why food recalls are rising.Read more
There's a post-election power struggle going on in North Carolina
Hide SummaryThe GOP-led Legislature aims to take powers from offices won by Democrats. The first attempt was vetoed by the Democratic governor, but Republicans have a supermajority to override the veto.Read more
Luigi Mangione, 26, is charged in UnitedHealthcare CEO's killing
Hide SummaryWith the arrest of Luigi Mangione, police have apprehended and charged a suspect in the killing of UnitedHealthcare CEO Brian Thompson, though many questions remain unanswered.Read more