'Like a hot knife through butter': Cameraman recounts death of 'Crocodile Hunter'

Steve Irwin, left and his wife Terri Irwin, pose with an albino Burmese python Tuesday, March 5, 2002 at the Paris Hotel and Casino in Las Vegas. Steve Irwin, the Australian television personality and environmentalist known as the Crocodile Hunter, was killed Monday, Sept. 4, 2006, by a stingray barb during a diving expedition. (AP / Joe Cavaretta)