Two Marine veterans played a key role in stopping a man who allegedly stabbed multiple victims in a Michigan Walmart. Matthew Kolakwoski had just left a checkout lane when he heard a worker scream that a man had a knife. He then heard a “mass of blood-curling screams from the back of the store,” mlive.com reported.

Questions remain after a man went on a rampage at a northern Michigan Walmart on Saturday, stabbing 11 people in Traverse City. The suspect is expected in court on Monday.