Authorities say 42-year-old Bradford James Gille walked into the store Saturday afternoon and began stabbing shoppers near the front checkout area with a folding knife. Victims ranged in age from 29 to 84, and one of them was a Walmart employee.

"Regrettably, less than 24 hours after receiving this order, a tragic series of events occurred in Traverse City," the sheriff's office said.

Video footage from the incident shows bystanders confront the suspect after a stabbing rampage that initially left 11 people injured.

A Walmart employee was helping a customer check out when she heard a warning that someone in the store had a knife.

A stabbing rampage at a Walmart in Traverse City, Michigan, left 11 people injured, six critically. Amid the chaos, shopper Derrick Perry heroically intervened, tackling the suspect and preventing further violence.