In the photos, the man can be seen wearing wraparound sunglasses, a dark hat, and a long-sleeve shirt that seems to feature an American flag design.
The nearby regional airport, which handles domestic flights, is just a ten-minute drive from Utah Valley University, where Kirk had been speaking.
Kirk was shot dead on stage on Wednesday afternoon while leading a Q&A session during his American Comeback Tour at Utah Valley University in Orem.
During the segment, he even speculated — in a bizarre suggestion — that a supporter might have accidentally killed Kirk by firing a gun in "celebration."
Charlie Kirk was shot and killed while at Utah Valley University for a public event. Witnesses said panic broke out as he fell to the ground with a neck wound.
Alexa Wingerter pleaded guilty to two counts of prohibited sexual contact between an educator and student. As part of her plea deal, she will avoid jail time and will only have to register as a sex offender.
Chelsea Perkins, 35, was sentenced to 22 and a half years over the murder of 31-year-old Matthew Dunmire in March 2021.
Hajir Talebzadeh, 41, has been charged with killing 41-year-old ex-wife, and Elizabeth Cui Domingo, Domingo's 79-year-old mother, in the parking lot of a Best Buy in Augusta on Sunday.
Erika Frantzve's Instagram page is filled with loving posts about her late husband — including touching videos of Charlie spending tender moments with their two little ones.
The second person was identified as Zachariah Qureshi, who had also been questioned by authorities and later released.
The shooting took place just as he began responding to a question from an audience member about mass shootings carried out by transgender people.
President Donald Trump was among the first to react following reports that Kirk had been seriously wounded.
No details were shared about their conditions, and officials did not say whether the gunman had been caught or identified.
Police have not yet revealed the suspect's identity, but video from the scene showed officers taking an older man into custody.
The exact origin of the material is unclear but Hurowitz described the find as "the first compelling signal of organic matter that we've had since we landed in Jezero Crater."