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

"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.

TRAVERSE CITY, MI – Police have identified the man they believe entered a Walmart and stabbed 11 people at random. Bradford James Gille, 42, is in custody and awaiting arraignment on numerous charges in connection with the mass stabbing, police said at a press conference Sunday, July 27.

An analysis of court records and archives found Bradford James Gille had a history of legal and mental health struggles before the July 26 attack.