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

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

A former Marine who was armed with a gun confronted the suspect accused of stabbing several people at a Michigan Walmart.

A Northern Michigan man is praised for stopping a knife attack at a Walmart. The suspect faces terrorism and attempted murder charges.

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

A Traverse City Walmart mass stabbing attack was ended by an armed Black man and former Marine named Derrick Perry.

Marine veterans Matthew Kolakowski and Derrick Perry helped stop a man accused of attacking 11 people near Traverse City, ...

In an ABC News exclusive, Derrick Perry recounts his confrontation and pulling his gun on the man accused of stabbing 11 ...

In the video, you can see Derrick Perry, a former Marine, draw his gun and tell the suspect, Bradford Gille, to drop the knife.

"The only thing that separated me from the other gentleman that had stepped in as well was what I was carrying in my hands," ...

Derrick Perry, the armed citizen who played a crucial role in the apprehension of a stabbing suspect at the Traverse City Walm ...