Tonight, the urgent manhunt for Charlie Kirk's killer, the new surveillance image the FBI wants

you to see. Do you know this man? Police believe he's a person of interest in the shocking

political assassination, the high-powered rifle they found, and the footprint they're using to hunt

down the killer, they say fired from about 200 yards away,

then jumped off a roof and fled into a nearby neighborhood.

This video showing a person in that same elevated location.

The manhunt, as President Trump says,

he plans to honor Kirk with the Presidential Medal of Freedom.

This, as the trial for the man who police say tried killing President Trump begins,

Ryan Ruth representing himself in court, coming face to face with the agent who first spotted

him near the president.

Inside Epstein's inbox, the massive trove of emails obtained by Bloomberg News, shedding new light on his relationship

with Galane Maxwell, including their plans to undergo fertility treatments.

The massive gas truck explosion in Mexico City, killing at least eight people.

The breakthrough in our series, the cost of denial.

Two brothers battling the same genetic disorder. One, approved for treatment by their insurance. The other, denied.

The classmates inspired by our report, what they did, and the emotional announcement you're

about to hear. And on this September 11th, we meet a new generation of

heroes following in the footsteps of their fathers who gave it all 24 years ago. What they hope

the nation remembers. Nightly News starts right now. This is NBC Nightly News with Tom Yamas.

And good evening, an urgent manhunt is underway right now for the person who assassinated Charlie Kirk.

The FBI releasing these images of a person of interest in the fatal shooting. Take a good look.

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