At least 11 people were injured in a "multiple stabbing incident" at a Walmart in Traverse City, Michigan, officials said.

Shane Gille reveals his family's 28-year struggle with Brad Gille's mental illness before the attack that led to 11 attempted murder charges.

A Michigan prosecutor filed a terrorism charge Monday against a man accused of stabbing 11 people at a Walmart store. The charge has been rarely used in the state's courts since it was adopted more than 20 years ago during the national outrage over 9/11.