Tonight, the urgent manhunted New York City after the CEO of one of America's largest health insurers was fatally shot in a brazen, targeted attack caught on disturbing video, the chilling scene playing out on surveillance camera.

The mass gunmen lying in wait, shooting the victim on the sidewalk, then escaping on an e-bike.

Last scene in Central Park, the victim, the CEO of United

Healthcare, struck at least twice outside a hotel. The threats his wife says he recently received

just blocks away the high security for tonight's Rockefeller Christmas tree lighting and the

NYPD's public plea for help. Also tonight Pete Hanksf defiant.

The president elects picked to lead the Pentagon saying Mr. Trump told him to keep fighting

as allegations threatened to sink his nomination.

Could he be replaced by former Trump rival Ron DeSantis?

The shooting at an elementary school in California,

two students injured what we know about the gunmen.

The new Arctic blast threatening millions from North Dakota to Maine.

Bursts of heavy snow and powerful winds.

The desperate sinkhole search for the grandmother believed to have

plunged down it while looking for her

cat and counting down to tonight's lighting of the world's most famous Christmas tree and the

moving story about the family behind it.

This is NBC Nightly News with Lester Holt.

Good evening and welcome. There are chilling new details today following what police say was the premeditated murder of the CEO of United Healthcare on the busy streets of Midtown Manhattan early today.

A warning, the images were about to show you are graphic and you may find them upsetting.

Surveillance video, Capturing the moment,

Brian Thompson was approached from behind by the shooter. His outstretched arms leveling a handgun

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