A music executive is the latest casualty in the mass murder spree in Hollywood from Friday's shootings. December 13, 2011- John Atterberry, a real estate and music executive, succumbed to the wounds he received after being shot three times last Friday. Atterberry died on Monday. He had been driving near the intersection of Vine Street and Sunset Boulevard when Tyler Brehm opened fire and hit Atterberry twice in the face and once in the neck. Brehm shot at the silver Mercedes of Atterberry with...