Matthew Kolakowski, a U.S. Marine and son of a Kent County sheriff's detective, helped subdue a man accused of stabbing 11 people at the Traverse City Walmart.

Authorities say Bradford Gille of Afton, Michigan, is in custody. Eleven people were stabbed at the store in Traverse City and all are expected to survive.

Of the 11 people who were attacked, six remained in fair condition as of late Tuesday morning, while one was listed in good condition.

Derrick Perry, a United States Marine veteran, confronted a knife-wielding man in the parking lot of the Traverse City Walmart.

Dramatic video shows a heroic Walmart shopper armed with a gun confronting a knife-wielding maniac moments after he allegedly stabbed 11 people inside the Michigan store on Saturday night.

"There was blood everywhere," a shopper said about the Walmart stabbing spree in Michigan on Saturday afternoon. "There were people kind of sitting at the ends of aisles, just bleeding." The post 'Sitting at the ends of aisles,