Charlie Kirk, a conservative activist and ally of President Trump, was shot and killed Wednesday as he hosted one of his campus debates at Utah Valley University. A witness described the moment a single gunshot was fired, saying, "people started screaming."

Investigators say it appears the shooter in the killing of Charlie Kirk acted alone and it was a targeted act. FBI director Kash Patel said law enforcement had someone in custody, suspected of the killing, but hours later, that person was released. CBS News' Scott MacFarlane reports.

Conservative activist Charlie Kirk was a close ally to President Trump. A fixture at Mar-A-Lago, he advised Mr. Trump on some of his Cabinet picks. He was also an early champion of JD Vance to be the president's running mate. In a four-minute video recorded from the Oval Office, Mr. Trump

Charlie Kirk motivated young Republicans through his organization, Turning Point USA. He used podcasts and campus tours to build his political movement. CBS News' Nancy Cordes looks at his impact.

CBS News chief Washington analyst Robert Costa and former Republican House Speaker Kevin McCarthy join "CBS Mornings" to discuss conservative activist Charlie Kirk's political influence.

Nearly a third of Americans were born after the September

Usher joins "CBS Mornings" to discuss his partnership with Ralph Lauren as the face of the new fragrance "Ralph's Club New York."

 Actor Zosia Mamet joins "CBS Mornings" to talk about her new book, "Does This Make Me Funny?" a collection of essays she describes as a "charcuterie platter" of her brain, reflecting on life, acting and growing up with famous parents.

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