Magdeburg, Germany CNN  —  Its glühwein stalls, festooned with Christmas lights and tinsel, stand emptied and shuttered. On the cordoned off market street, in the center of Magdeburg, German police stand guard as, one officer told CNN, forensic teams carefully examine the crime scene before scrubbing the blood stains from the road. The horrific car-ramming attack on this Christmas market on Friday night left at least five people dead, including a 9-year-old boy, plunging this provincial German