Derrick Perry says he's no hero for helping subdue Bradford James Gille, who faces terrorism and assault charges for allegedly stabbing 11 people.

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.

A mass stabbing at a Traverse City Walmart left 11 injured on Saturday, but quick action by shopper Derrick Perry, who tackled and restrained the attacker, likely prevented more harm. Perry, with a security background,