Anti-terror surveillance

The German rapper who became a grisly poster boy for ISIS fell for the oldest trick in the book, according to a report that said the woman "Deso Dogg" thought was his wife was an FBI spy.

The spy transmitted critical information about the rapper, who was born Denis Cuspert and now goes by Abu Talha al-Alman, as well as his Islamic State colleagues before slipping into Turkey, where she was arrested and then turned over to the U.S., according to the German newspaper Bild. The paper cited German and American intelligence sources as confirming the operation.

FBI had spy in bedroom of German rapper turned ISIS poster boy, says report