He was reacting to documents, released Monday by the National Security Archive, showing that as bloodthirsty Hutu militias fanned out across Rwanda, US diplomats advocated "an orderly withdrawal" of the Rwanda-based UN force known as UNAMIR that some believe could have helped protect civilians. According to Booker, the documents belie the claim made at the time that the administration of former president Bill Clinton was unaware of the scale of the killings. "This report makes clear that the US was aware, but decided not only not to stop genocide, but also to prevent others from intervening in a way that could have saved hundreds or thousands of lives," he added. Source.
So, I hereby submit William Jefferson Clinton as the prime suspect in masterminding the massacre.