World / Guantanamo Bay Gitmo Inmates May Testify for bin Laden Aide Prosecutors seek to block testimony as threat to national security By Matt Cantor, Newser Staff Posted Jul 15, 2008 5:07 AM CDT Copied In this photograph of a sketch by courtroom artist Janet Hamlin, reviewed by the U.S. Military, Khalid Sheikh Mohammed attends his arraignment at Guantanamo Bay, June 5, 2008. (AP Photo/Janet Hamlin) Fellow Guantanamo Bay inmates may testify at the upcoming terror trial of Osama bin Laden’s former driver, the Washington Post reports. Lawyers for Salim Ahmed Hamdan hope the testimony will prove their client was not a high-level terror operative. The military officer in charge of the case said he would allow it, and that it would probably be a boon to Hamdan. But prosecutors say the testimony could threaten national security. “The detainees hold in their heads some of the most serious national security and intelligence sources and methods that the United States has,” said a prosecutor, who is seeking to block the testimony. One potential witness is Khalid Sheikh Mohammed, who claims he directed the 9/11 attacks. The officer overseeing the case said he didn't believe Hamdan could "have a fair trial without this evidence." (More Guantanamo Bay stories.) Report an error