A prosecutor argued that Ahmad Alissa, who fatally shot 10 people in a Colorado supermarket in 2021, was aware of his actions, despite his schizophrenia diagnosis. Alissa's defense claimed he was legally insane.

Lawyers are set to deliver closing arguments in the trial of a mentally ill man who shot and killed 10 people at a Colorado supermarket in 2021.

Jurors in Colorado have one question left to answer as they deliberate the fate of King Soopers gunman Ahmad Alissa. Was he insane at the time of the shooting?

A mentally ill man carefully amassed the guns and ammunition to kill as many people as possible before pursuing and fatally shooting 10 people at a Colorado supermarket in 2021, proving he knew exactly what he was doing,

The fate of a gunman now rests in the hands of a 12-person jury, who are tasked with determining not if he committed the heinous act, but whether he was legally insane when he drove to a Boulder, Colorado grocery store and opened fire, killing 10 people on March 22, 2021.

A lawyer for a mentally ill man who killed 10 people at a Colorado supermarket in 2021 says insanity is the only explanation for the mass shooting. Kathryn Herold's comments