Chilling new surveillance video shows stabbing spree at Michigan Walmart

Watch as the suspect with the green backpack sneaks up on his first victim, the woman in black. He appears to throw her to the ground, then chase another customer. Authorities say it was just the start of last month's stabbing spree at a Michigan Walmart.The 360°ree video paused and rotated by authorities in Traverse City. The next target, this man in blue. The suspect identified as 42-year-old Bradford Gilly then appears to jab his right hand at that man in the jacket who goes flying.Moments later, you see ...