The bulldozer rampage through Granby in June 2004 will be re-enacted on an episode of "Shockwave," a television program on the History Channel. An aggrieved muffler-shop owner, Marvin Heemeyer, plunged his blade into 13 buildings in the business district. "Shockwave" takes raw footage from headline-making events and dissects the video using the latest in graphic technology, explains the Sky-Hi Daily News.