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.

Chaos unfolded at a Walmart in Michigan after a man burst into the store during a calm shopping afternoon and stabbed 11 people at random, authorities say.

"It honestly made me nervous to go out in public today," Luke said.