Grand Traverse County Sheriff Michael Shea said a motive behind the attack by Bradford Gille of Afton, Michigan, remains unclear.

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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.