Lennox Lewis, left, of Britain, exchanges punches with Evander Holyfield, of Atlanta, as referee Mitch Halpern, background, looks on during the seventh round of their undisputed world heavyweight championship bout at the Thomas & Mack Center in Las Vegas in this Nov. 13, 1999 photo. Halpern, who worked dozens of title fights, has died from a self-inflicted gunshot wound. Halpern, 33, was found dead in his home in Las Vegas Sunday, Aug. 20, 2000, by police responding to a telephone call, Metro Police Lt. Wayne Peterson said Monday. (AP Photo/Eric Draper)