Security footage shows July 26 stabbing spree at Grand Traverse County Walmart

Authorities have released security footage from a July 26 mass stabbing at a Walmart store near Traverse City that injured 11 people.

The footage was posted on YouTube by MLive on Monday. Bradford James Gille, 42, of Afton, who has struggled with serious mental health issues, is accused of randomly attacking the victims with a folding knife that had a 3.5-inch blade before other shoppers stopped him.

The footage shows the attacker wearing a dark-color ballcap, light-color shirt, blue pants and black shoes and carrying a large backpack. He can be seen inside the store where he approaches a shopper and lunges at her before she falls to the ground. He then lunges at another customer, who flees.

The man then moves toward a main aisleway, where he lunges at another shopper who recoils, holdi