Welcome to Meet the Press Now.

I'm Kristen Welker at a pivotal and unsettling moment in modern American history.

As investigators are searching for the person who assassinated conservative activist Charlie Kirk.

Americans are grappling with the terrifying rise in political violence.

And as elected leaders face questions about their own safety and the inflammatory rhetoric that has become part of our political discourse.

So first, the latest on the investigation, the FBI releasing these

photos, you see them there, of what it calls a person of interest in yesterday's fatal shooting

of Charlie Kirk at Utah Valley University. Authorities say they've made a number of breakthroughs

in the search for who shot and killed the 31-year-old father and Trump allies, seen here

interacting with the crowd just moments before the shooting.

Police have recovered the weapon believed to have been used a high-powered bolt action rifle,

as well as the suspected shooter's footprint and imprints from his palm and forearm.

Investigators also say they've been able to track the suspect before and after the

shooting. Listen.

After the shooting, we were able to track his movements as he moved to the other side of the

building, jumped off of the building, and fled off of the campus and into a neighborhood.

Our investigators have worked through those neighborhoods, contacting anybody they can with

doorbell cameras, witnesses, and have thoroughly worked through those communities trying to identify

any leads.

We will not stand for what happened yesterday.

We are exhausting every lead. We have every

officer invested in this, every investigator, every local agency. We are investing everything we have

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