GRAND RAPIDS, MI - Matthew Kolakowski had just left the Walmart checkout lane when a worker screamed that a man had a knife.

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

Two men who took action during the Saturday Traverse City Walmart stabbing that injured 11 people sat down for an interview Tuesday in Grand Rapids, MI.

They went to Walmart to pick up fishing poles, pop and snacks for a day on the lake. They wound up stopping a stabbing.

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

Derrick Perry says he is just like anyone else living in the Traverse City community, but he became nationally recognized ...

A Kolakowski, un veterano discapacitado de 39 años, rápidamente se le sumó otro hombre con un carrito y detuvieron al hombre, ...

Walmart in Traverse City Saturday, July 26th. One of the bystanders, Matthew Kolakowski, is from Kent County. He helped to ...

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

G RAND TRAVERSE COUNTY, Mich. (WPBN/WGTU) -- In the midst of chaos Saturday afternoon, community members sprang into action ...

A Kent County man who helped stop the attacker who authorities say stabbed 11 people at Traverse City-area Walmart said ...

The actions some shoppers drew praise from authorities. Overnight, the strangers became online celebrities for their heroics ...