An Illinois man pleaded guilty Monday to killing seven people and injuring dozens more when he opened fire on a 2022 Independence Day parade in a Chicago suburb, a stunning development moments before opening statements in his trial on murder and attempted murder charges.

The guilty plea came just as his murder trial was about to start, for an attack in a Chicago suburb in 2022 that killed seven people.

A man pleaded guilty to murder on Monday for a 2022 mass shooting at an Independence Day parade in a Chicago suburb that killed seven people, local media reported. Robert Crimo III entered the guilty plea shortly before his trial was set to begin for the shooting in Highland Park that also injured over 40 people,