MUNICH – A defense attorney asked a German court to suspend John Demjanjuk’s trial on Nazi war crimes charges Wednesday after giving judges an Associated Press story that uncovered documents showing the FBI believed a key piece of evidence was fake.

The newly declassified 1985 FBI field office report casts doubt on the authenticity of a Nazi ID card showing that Demjanjuk served as a guard at the Sobibor death camp.

Defense attorney Ulrich Busch also asked for the trial to be postponed so he could go to the United States to look through the Demjanjuk material held at the National Archives in Maryland.

The AP story shows “prosecutors did not introduce all the possibly exculpatory evidence from the United States here,” Busch told the court.

Judges had not ruled on the motion when the session ended Wednesday and it was not clear when they would.

Ukrainian-born Demjanjuk, a 90-year-old retired Ohio autoworker, is accused of 28,060 counts of accessory to murder on allegations he served as a guard at Sobibor. Demjanjuk rejects the charges.

Claims that the card and other evidence against Demjanjuk are Soviet forgeries have repeatedly been made by Demjanjuk’s defense attorneys. But the FBI report provides the first known confirmation that American investigators had similar doubts.

Prosecutor Hans-Joachim Lutz told the court, however, that at the time of the FBI report the identity card had not been turned over to Western investigators, but that it has subsequently been examined by several experts, all of whom have declared it to be genuine.

He said after the AP story, the U.S. Justice Department contacted him, saying that he had been shown the FBI report as part of two discs of scanned confidential documents that were made available at the U.S. Consulate in Munich.

He said, however, that he did not recall seeing the documents when he was at the consulate in June or July 2009.

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