Matt Kolakowski and Chris O'Brien from Grand Rapids share how they helped stop the stabbing incident while on their family vacation in Traverse City.

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

Bradford James Gille, 42, faces terrorism charges after the mass stabbing incident at a Traverse City-area Walmart.

Derrick Perry, a United States Marine veteran, confronted a knife-wielding man in the parking lot of the Traverse City ...

The armed bystander who confronted the suspect in a mass stabbing at a Traverse City Walmart over the weekend spoke to Good ...

Photo: Sundry Photography / iStock Editorial / Getty Images A Black Marine veteran is being hailed as a hero after he confronted a knife-wielding man during a mass stabbing at a Walmart in Michigan, ...

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

Terror in Traverse City turned into teamwork when shoppers stopped a stabbing suspect and its sparked interest in training ...

The people of Traverse City are on the minds of Northeast Michigan residents after a mass stabbing at its Walmart injured 11 ...

The man accused of stabbing 11 people at a Traverse City Walmart appeared disheveled and confused during his arraignment ...

We're learning more about Bradford Gille, the suspect in the mass stabbing incident on Saturday at the Grand Trav ...