Erica Byfield sat down with Lester Holt to discuss a new episode of “Dateline” taking an in-depth look at the execution-style murder of UnitedHealthcare CEO Brian Thompson that has caught worldwide attention. In the episode “A Killing in Midtown,” Holt spoke with police detectives involved in the Luigi Mangione case, revealing details about how police zeroed in suspect Luigi Mangione using surveillance footage from throughout the city. For the full interview, check out "The Case: Luigi Mangione" wherever you listen to your podcasts. #dateline #nbc4ny #luigimangione