The prelude, the crime and the aftermath were all caught on video. But investigators will need to use human intelligence to find the person who gunned down an insurance company’s chief executive.

Brian Thompson, the CEO of UnitedHealthcare, was fatally shot outside a hotel in midtown Manhattan on Wednesday morning, according to a person briefed on the investigation.

The CEO of UnitedHealthcare has been fatally shot in New York City in what appeared to be a targeted attack, according to reports. The New York Post was the first to report Brian Thompson, 50, was shot outside the Hilton hotel in Manhattan’s Midtown at around 6:46 a.m. on Wednesday. Bloomberg also named Thompson as the victim of a shooting.