Munson Healthcare in Traverse City confirmed Perry is an employee. "We want to confirm that Derrick Perry, an off-duty Munson Healthcare employee, was part of the citizen apprehension of the ...

Munson Healthcare is confirming that Derrick Perry, a Munson employee, was among the group of good samaritans that confronted"We want to confirm that Derrick P ...

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

Video shows an armed bystander confronting a knife attacker who allegedly injured 11 people at a Walmart in Traverse City, ...

A Heroic Marine vet saved countless lives when he confronted a knife-wielding lunatic in the middle of a stabbing spree at a ...

One of the men who helped subdue the suspect in the stabbing on July 26 at a Walmart near Traverse City spoke to ABC's "Good Morning America" on July 29 about the ordeal.

What began as a regular Saturday afternoon at a Walmart in Traverse ... Sources later confirmed that Perry has a background in security training, which may explain his composed and effective ...

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