Attorneys for a suspected enemy combatant held in South Carolina want an order to preserve remaining evidence in his case. The lawyers said in documents filed late Monday that an order is needed because the government already has admitted it destroyed tapes of his interrogations. His attorneys say that tapes already destroyed by the government would have shown that Ali al-Marri "was subjected to a brutal interrogation regime bordering on, if not amounting to torture." Prosecutors have said no order is needed because a Defense Department memo directs preservation of all evidence in such cases, including al-Marri's. Al-Marri has been held in isolation at a Navy brig near Charleston for almost five years. Prosecutors have said the legal resident alien from Qatar was a threat to national security and had links to al-Qaida. ...