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

Police continue to search for a motive after a mass stabbing attack at a Walmart in Traverse City, Michigan, on Saturday that injured 11 people. Officials identified the suspect as Bradford James ...

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.