A former Marine who helped confront the suspect in a stabbing rampage at a Walmart in Michigan spoke with "Good Morning ...

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

Matthew Kolakowski, a U.S. Marine and son of a Kent County sheriff's detective, helped subdue a man accused of stabbing 11 ...

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

Of the 11 people who were attacked, six remained in fair condition as of late Tuesday morning, while one was listed in good ...

Bradford Gille was arraigned on multiple charges, including assault with intent to murder and terrorism. Magistrate called ...

Derrick Perry says he's no hero for helping subdue Bradford James Gille, who faces terrorism and assault charges for ...

Nearly a dozen people were injured in the attack before citizens -- including Derrick Perry, who was armed with a gun -- ...

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

In an ABC News exclusive, Derrick Perry recounts his confrontation and pulling his gun on the man accused of stabbing 11 ...