From Germany to Guantanamo The Career of Prisoner No. 760

Mohamedou Ould Slahi is believed to have provided aid to the Sept. 11 attackers, and he has pledged his loyalty to Osama bin Laden. But the Mauritanian suspect only began talking to investigators after he was tortured at Guantanamo, and the confessions extracted from him could collapse in court.

Von SPIEGEL Staff