 His service in Moscow began in 1983 and ended before 1986, when he was posted to Kabul, Afghanistan.McWilliams was dispatched to Islamabad in 1989 as a semi-independent analyst of U.S. policy regarding the Afghan jihad in the wake of the Soviet withdrawal.His blistering criticism of the Pakistani Inter-Services Intelligence and their patronage of radical Islamists led to an ultimately-baseless internal investigation regarding his integrity, spearheaded by Ambassador Robert Oakley and CIA Chief of Station Milt Bearden.