Multiple people were involved in stopping and detaining the suspect in Saturday's attack at a Walmart store in Traverse City. One was armed with a pistol.

Nearly a dozen people were injured in the attack before citizens -- including Derrick Perry, who was armed with a gun -- confronted the suspect, authorities said.

An analysis of court records and archives found Bradford James Gille had a history of legal and mental health struggles before the July 26 attack.

Bradford James Gille, 42, is suspected of traveling from his home nearly 100 miles away to perpetrate the stabbing attack at the Walmart store in Garfield Township, just outside of Traverse City. He is slated to be arraigned soon on criminal charges that include attempted murder and terrorism.

"You're selling cigarettes with fiberglass and chemicals in them just to kill off the population," Gille said. "And you can't really accuse me of anything if you're doing that, you know?"

At least 11 people are being treated after a mass stabbing at Walmart in Traverse City, Michigan. A suspect is in custody. Here's what we know.

The 42-year-old man suspected of stabbing 11 people at a Walmart near Traverse City was identified as Bradford James Gille of Cheboygan County.

A 42-year-old Michigan man accused of carrying out a knife attack at a Traverse City Walmart has been charged.

By the time an employee in the checkout area yelled about a man with a knife, it was too late. Nearly a dozen people had been stabbed at the busy Walmart in Traverse City, a tourist town on the shore of Lake Michigan, by a man who appeared to have attacked people at random, the sheriff said.

Matthew Kolakowski was shopping with his daughter at a Michigan Walmart when he heard screams and saw a man with a knife.