Egyptian cleric Hassan Mustafa Osama Nasr, also known as Abu Omar, shows what he says is a scar on his arm, at a court house in Alexandria in a February 22, 2007 file photo. An Italian judge ruled on May  20, 2009 to proceed with the trial of U.S. and Italian spies accused of kidnapping an Egyptian imam in 2003 -- Europe's highest-profile case over the secret transfers of terrorism suspects. A Milan judge rejected a defence request to lift arrest warrants against the 26 Americans, most of whom are believed to be CIA agents, despite some of the evidence being made inadmissible by state secrecy rules. The U.S. agents and seven Italians are accused of abducting Muslim cleric Hassan Mustafa Osama Nasr in Milan and flying him to Egypt. Nasr, who is also known as Abu Omar, said he was tortured under questioning and held for years without charges. Reuters Pictures 6 months ago

Egyptian cleric Hassan Mustafa Osama Nasr, also known as Abu Omar, shows what he says is a scar on his arm, at a court house in Alexandria in a February 22, 2007 file photo. An Italian judge ruled on May 20, 2009 to proceed with the trial of U.S. and Italian spies accused of kidnapping an Egyptian imam in 2003 -- Europe's highest-profile case over the secret transfers of terrorism suspects. A Milan judge rejected a defence request to lift arrest warrants against the 26 Americans, most of whom are believed to be CIA agents, despite some of the evidence being made inadmissible by state secrecy rules. The U.S. agents and seven Italians are accused of abducting Muslim cleric Hassan Mustafa Osama Nasr in Milan and flying him to Egypt. Nasr, who is also known as Abu Omar, said he was tortured under questioning and held for years without charges.