Investigating the secret life of the young man prosecutors allege gunned down United Healthcare's Brian Thompson.

Top Cast

Luigi MangioneSelf (archive footage)

Josh MargolinSelf - ABC News Chief Investigative Reporter

Josh EinigerSelf - Reporter, WABC-TV, New York

Aaron KaterskySelf - ABC News Senior Investigative Correspondent

Maria CramerSelf - NYPD Bureau Chief, The New York Times

Ana GarciaSelf - ABC News Contributor

TouréSelf - Culture Fries by Touré, Substack

Brad GarrettSelf - Former FBI Agent / ABC News Contributor