By WILLIAM J. KOLE Associated Press Writer SARAJEVO, Bosnia-Herzegovina — His code name was Maximus, and he held secret meetings in a shabby room at the Banana City Hotel on the outskirts of Sarajevo. Bosnian police put him under surveillance, and in a raid last fall on his apartment on Poligonska Street, authorities seized explosives, a suicide bomber belt and a videotape of masked men begging Allah's forgiveness for what they were about to do. What they planned, investigators believe, was to blow up a European embassy. But compounding their concern, they say, was the ringleader's background: Maximus turned out...