Two Prosecutors Faulted Trials for Detainees
Two senior prosecutors in 2004 war crimes trials against four detainees at Guantanamo Bay complained in confidential messages that trial system was secretly arranged to improve chance of conviction and to deprive defendants of material that could prove their innocence; their complaints echoed those made by military defense lawyers and outside groups like American Bar Assn; one prosecutor, Capt John Carr, claimed in e-mail message that Col Frederick L Borch, chief prosecutor, told subordinates that members of military commission that would try first four defendants would be 'handpicked' to ensure that all would be convicted; Borch has called this and other complaints about him 'monstrous lies'; Carr also said he was told that any exculpatory evidence would be withheld by CIA for security reasons, including evidence that at least one of four defendants had been brutalized; second prosecutor, Maj Robert Preston, said in message to another senior officer that he knew proceedings would not be 'full and fair'; Defense Dept says its formal investigation found no evidence to support two officers' accusations of legal or ethical problems; Preston and Carr left prosecution team weeks after sending their e-mail messages; trials, of Salim Ahmed Hamdan and David Hicks, were halted in Nov when federal judge ruled they violated military law and Geneva Conventions; that ruling was reversed in July and trials are expected to resume shortly; photo (L)