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.

Matthew Kolakowski had just left the Walmart checkout lane when a worker screamed that a man had a knife. Then, he heard a ...

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 man was arrested and is facing multiple charges for allegedly stabbing 11 people at a Walmart in Traverse City on Saturday.

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

Two Marine veterans played a key role in stopping a man who allegedly stabbed multiple victims in a Michigan Walmart. Matthew ...

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.

The former Marine who used a shopping cart as a weapon and the man who took cellphone video of bystanders helping to ...

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

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