videos of the Sept. 10 shooting, which occurred as Kirk was addressing a crowd of thousands at Utah Valley University.

The videos will be shown on a courtroom monitor that is being set up so that it won't be captured by the press videographer in the courtroom, said Graf.

The prosecution's first witness, former Utah Valley University police officer Chris Bagley, said he could see the right side of Charlie Kirk's body as Kirk spoke on campus. Kirk was answering a question when Bagley heard a gunshot, he said, and chaos erupted and people started to run.

Once the hearing is finished, Graf must determine whether there is enough evidence for the case to proceed to trial.

Prosecutors have said they plan to present DNA evidence linking Robinson to the suspected murder weapon, testimony from investigators, autopsy findings, witness statements and video of Kirk's killing. They are also expected to argue the shooting endangered others at Kirk's campus event - an aggravating circumstance that could make the crime punishable by death under Utah law.

Prosecutors this week can use secondhand information, or hearsay, to help present their case.

Robinson's roommate is not expected to testify in person during the hearing. Still, the roommate's recorded testimony could be a focal point for prosecutors.

In addition to the alleged confession note, Robinson reportedly texted his roommate that he targeted Kirk because he  had enough of his hatred,  prosecutors have said.

Before his death, Kirk and the organization he co-founded, Turning Point USA, galvanized the conservative youth vote to help Trump win a second term.

The Republican president has said he hopes Robinson receives the death penalty.

Erika Kirk, wife of slain conservative activist Charlie Kirk, spoke at a memorial for her husband and said Charlie's mission was to help young men like his killer.

Erika Kirk said during his memorial service that she forgives Robinson.

Ahead of Monday's hearing, she thanked supporters in a statement posted to X for their kindness and prayers.

 Every court proceeding serves as a painful reminder of his death,  she wrote,  and the loss that has irrevocably impacted our lives and the lives of his children. 

She added that the public outpouring  has sustained us during the darkest days of our lives. 

She is expected in court throughout the week with her husband's parents, Robert and Kathryn Kirk, according to a person familiar with the situation who spoke on condition of anonymity because they were not authorized to speak publicly.

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Brown reported from Billings, Montana.