Italy and the United States said Friday the investigation into the killing of an Italian agent by U.S. forces in Iraq had ended but they failed to fully agree on the circumstances surrounding the shooting. The two governments issued a joint statement into the March 4 death of intelligence agent Nicola Calipari, who was killed after he had secured the release of an Italian hostage. U.S. soldiers mistakenly fired on their vehicle as it approached a U.S. checkpoint near Baghdad’s airport. Full Story