Ahmad Al Aliwi Alissa, who killed 10 people in the mass shooting in 2021, had argued that he was not guilty by reason of insanity.

Ahmad Al Aliwi Alissa was convicted by a jury of 10 counts of murder at a Colorado supermarket. His defense team had argued he was mentally ill.

The man who killed 10 people in a mass shooting at a Colorado grocery store in 2021 was convicted on Monday of first-degree murder and sentenced to life in prison without the possibility of parole.