 Hamid Karzai, President of Afghanistan, once referred to him as one of the four most dangerous Taliban members still in Afghanistan.Shortly after the 11 September attacks, CIA officer Robert Grenier met him to offer the Taliban the opportunity to give up Osama bin Laden.In December 2006, as he was riding in a four-wheel drive vehicle in Helmand Province, Osmani was killed by a smart bomb in a United States Air Force airstrike.