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

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, ...

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

Por MICHAEL CASEYMatthew Kolakowski estaba comprando equipo de pesca y botanas con su hija en un Walmart de Michigan durante ...

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.

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

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

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

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