The shooter who assassinated conservative activist Charlie Kirk and then vanished off a roof and into the woods remained at large more than 24 hours later Thursday as federal investigators appealed for the public's help by releasing photos of the person they believe is responsible.

A witness to the assassination of TPUSA founder Charlie Kirk detailed how people in the audience immediately ducked to the ground after a shot rang out.

Police, FBI, and ATF officials seen going door to door in Orem neighborhood on Thursday in an attempt to find surveillance footage of any persons of interest in connection to shooting of Charlie Kirk

Outside of the Utah hospital where Charlie Kirk was taken Wednesday, a crowd of families, college students, and Proud Boys gathered to mourn.

In Orem, a vigil was held for Charlie Kirk, the conservative influencer and co-founder of Turning Point USA who was shot and killed at a speaking event at UVU yesterday.

On Thursday, the FBI shared two photos. Some people thought the images were too blurry, so they attempted to "enhance" or "clean up" the photos with artificial intelligence.

A video showed the suspect in the murder of political activist Charlie Kirk jump from a building and move across the Utah Valley University campus.

Orem wide receiver explains that his official visit to BYU showed him ‘that’s when I knew that BYU was the place for me.'

CNN By Taylor Romine, Amanda Musa, Dalia Faheid, Emma Tucker OREM, Utah – More than a day after a shooting that stunned the nation, a massive manhunt is underway for the person who killed Charlie Kirk,