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

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

The suspect at times went off on tangents about cigarettes filled with fiberglass and seeing videos about psychotropic drugs.

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

Court records show the man charge with stabbing 11 people at the Traverse City Walmart was treated for a year at a mental ...

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

Video footage from the incident shows bystanders confront the suspect after a stabbing rampage that initially left 11 people ...

The charge has been rarely used in the state’s courts since it was adopted more than 20 years ago during the outrage over ...

Video shows an armed bystander confronting a knife attacker who allegedly injured 11 people at a Walmart in Traverse City, ...

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