TRAVERSE CITY, Mich. (WILX) - A man accused of entering a Traverse City store and randomly stabbing 11 shoppers before being detained by bystanders in the store parking lot is expected to face terrorism and multiple assault charges, authorities said Sunday.

Chris O’Brien, 43, of Sparta, witnessed the stabbing at Walmart in Traverse City that left 11 people dead. In a video O'Brien took, shoppers contain the stabbing suspect. On a family trip to Torch Lake, Chris O’Brien went to Walmart for some fishing ...

Viral video captures the moment Perry confronts the suspect, drawing praise from Traverse City residents and social media users alike.

"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.