The jury trial hinged not on whether Ahmad Al Alissa opened fire but whether the mentally ill man understood the difference between right and wrong.

Rejecting an insanity defense, a Colorado jury on Monday convicted a man diagnosed with the severe mental disorder schizophrenia of first-degree murder in a 2021 mass shooting at a grocery store in the city of Boulder that killed 10 people including a police officer.

The jury found Ahmad Al Aliwi Alissa guilty of shooting and killing 10 people at the South Table Mesa King Soopers on March 22, 2021, in addition to guilty verdicts on dozens of other counts of attempted murder.

A mentally ill man who killed 10 people at a Colorado supermarket in 2021 has been found guilty of murder and faces life in prison

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.

A jury has reached its verdict in the trial of Ahmad Al Aliwi Alissa, who shot and killed 10 people in a March 22, 2021, massacre at a King Soopers grocery store in Boulder, Colorado. Alissa pleaded not guilty by reason of insanity to all charges.

DENVER >> Rejecting an insanity defense, a Colorado jury today convicted a man diagnosed with the severe mental disorder schizophrenia of first-degree murder in a 2021 mass shooting at a grocery store in the city of Boulder that killed 10 people including a police officer.