Bradford James Gille, 42, faces terrorism charges after the mass stabbing incident at a Traverse City-area Walmart.

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

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

The community is showing their support after Saturday’s tragic stabbing incident at Walmart in Traverse City. There are ...

Derrick Perry speaks with ABC News on Good Morning America./ABC News(TRAVESE CITY, Mich.) -- A former Marine who helped ...

Here at 7 News Detroit, we want to make sure you start your day off on the right foot, informed about weather, traffic, the latest news and more ...

Derrick Perry, a United States Marine veteran, confronted a knife-wielding man in the parking lot of the Traverse City ...

Matthew Kolakowski, U.S. Marine veteran and one of the bystanders who took action during the Traverse City Walmart stabbing o ...