The men ambushed Fuat S. on the street, then locked him in a basement and tortured him. Fuat was later admitted to the hospital in Berlin's Neukölln district with gaping wounds, contusions and broken bones.
Police took his statement concerning the attack the same night. Fuat S., a gambler and a recipient of "Hartz IV" -- Germany's social welfare benefits for the long-term unemployed -- gave a detailed statement. He'd conned an acquaintance, Mustafa O., out of €150,000 ($217,000) and the man was taking his revenge, Fuat said, together with his three brothers. They hit his hands, arms and knees with a hammer and threatened to shoot him.
The public prosecutor's office in Berlin initiated proceedings against Mustafa O., a Palestinian man who had come to their attention repeatedly for violent acts. Police had investigated him in a number of cases, and now prosecutors saw an opportunity to convict a...