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 ...

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

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

Two brothers who took action during the Saturday Traverse City Walmart stabbing that injured 11 people sat down for interviews in Grand Rapids Tuesday.

GRAND TRAVERSE COUNTY, Mich. (WPBN/WGTU) — Amid chaos on Saturday afternoon, community members sprang into action to confront ...

Matthew Kolakowski was shopping for fishing gear and snacks with his daughter at the Traverse City Walmart over the weekend ...

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

One of the men who authorities say helped take down a suspect who stabbed eleven people at a Walmart told NBC News about how ...

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

Matthew Kolakowski, a disabled veteran, says he and other shoppers managed to restrain the man accused of stabbing 11 people at a Walmart in Michigan.

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