‘Shaking’ and ‘visibly agitated’ at McDonald’s: What we know so far about Luigi Mangione [Video]

Luigi Mangione has been charged with murdering UnitedHealthcare CEO Brian Thompson. NBC News’ Gary Grumbach reports more from Altoona, Pennsylvania, where Mangione was arrested. NBC News’ Tom Winter, former Assistant Manhattan District Attorney Catherine Christian and former FBI special agent Clint Watts join Ana Cabrera to discuss the investigation.Dec. 10, 2024