As the search for the gunman who killed UnitedHealthcare CEO Brian Thompson entered its third day on Friday, police chased down hundreds of tips, health care companies increased security around ...

The shooting came months after UnitedHealthcare CEO Brian Thompson was gunned down outside a Manhattan hotel. The suspected gunman, Luigi Mangione, 26, criticized America’s healthcare system ...

Before his death, Thompson was a well-liked Midwesterner who came from humble beginnings. An Iowa native, Thompson was South Hampton High School’s valedictorian in 1993 before attending the University ...

Luigi Mangione — a 26-year-old Ivy League grad — had raged about America’s healthcare system before the killing, in which a hooded gunman was filmed stepping up and shooting the married CEO ...