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

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

In an ABC News exclusive, Derrick Perry recounts his confrontation and pulling his gun on the 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 ...

Multiple people were involved in stopping and detaining the suspect in Saturday's attack at a Walmart store in Traverse City.

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

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

"I'm still sitting and grappling with the weight of realizing that it was kind of a life-or-death moment," said Julia Martell ...

At least 11 people were injured in a "multiple stabbing incident" at a Walmart in Traverse City, Michigan, officials said.

Suspect had long history of mental health issues and was charged in a grave mutilation case in 2017. He also had run-ins with ...

A weekend stabbing spree at a Michigan Walmart initially left 11 injured, including six critically. As of the latest update, ...