Who Killed Benazir Bhutto? The Main Suspects

"But fingers will also be pointed at the Inter-Services Intelligence agency, (ISI) which has had close ties to the Islamists since the 1970s and has been used by successive Pakistani leaders to suppress political opposition....The ISI includes some Islamists who became radicalised while running the American-funded campaign against the Soviets in Afghanistan...." Well, seems to me that no one benefits more than their American-backed dictator ?President? Musharraf.