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

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

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

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

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

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

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, ...

Munson Healthcare is confirming that Derrick Perry, a Munson employee, was among the group of good samaritans that confronted ...

The armed bystander who confronted the suspect in a mass stabbing at a Traverse City Walmart over the weekend spoke to Good Morning America.

The Grand Traverse County Sheriff's Office received a statement from a citizen who helped detain the suspect in Saturday's ...