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

The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.

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 ...

A Walmart employee was helping a customer check out when she heard a warning that someone in the store had a knife.

The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.

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

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

Video footage from the incident shows bystanders confront the suspect after a stabbing rampage that initially left 11 people ...

At least 11 people were injured in a "multiple stabbing incident" at a Walmart in Traverse City, Michigan, officials said.

A 42-year-old man entered the Traverse City Walmart around 4:43 p.m. on Saturday and used a folding knife to stab five men ...