Surveillance video captured the moment UnitedHealthcare CEO Brian Thompson was fatally shot outside a New York City hotel. Thompson was on his way to speak at UnitedHealth Group's investor conference when the gunman approached him from behind,

Brian Thompson, CEO of insurance group UnitedHealthcare, was fatally shot Wednesday morning in Manhattan in what New York police commissioner Jessica Tisch said was a "brazen, targeted attack," as of the early stages of the investigation.

UnitedHealthcare CEO Brian Thompson was shot and killed outside a Manhattan hotel early Wednesday morning, the NYPD said.