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

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

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

Court records show the man charge with stabbing 11 people at the Traverse City Walmart was treated for a year at a mental health facility after breaking into a grave.

Police are seeking to charge 42-year-old Bradford James Gille with terrorism and assault with intent to murder charges after he allegedly stabbed 11 people in a Michigan Walmart store.

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

"I'm still sitting and grappling with the weight of realizing that it was kind of a life-or-death moment," said Julia Martell, who witnessed the stabbing, which wounded 11 people.