 The U.S. government contends that Khan was aware that his visit to family in Pakistan in 2002 violated the terms of his asylum granted in 1998.Khan's attorneys at the Center for Constitutional Rights insist that he was tortured, subjected to cruel, inhuman, or degrading treatment, and coerced into making false and unreliable confessions.Khan's appeal points out that although he had been in U.S. custody for more than three and a half years, he had never had any kind of review of the legality of his detention.