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 ...

A Marine veteran is among those credited with stopping Bradford Gille, who is charged with stabbing 11 people at a Michigan ...

A New York police officer stands watch on 52nd Street outside Manhattan office building where people were shot, Monday, July ...