Radical Muslim converts defend violence against the U.S. outside a New York mosque . Inside the mosque , an imam warns against violence . Al-Khattab handed CNN Correspondent Drew Griffin a business card from an FBI agent who he says is keeping tabs on him . Authorities say the language is ` ` right up to the line '' of free speech protection . Put the full message on ` ` AC ##P '' tonight , " ET .
Radical Muslim converts defend violence against the U.S. outside a New York mosque . Inside the mosque , an imam warns against violence . Authorities say the language is ` ` right up to the line '' of free speech protection . Put the full message on ` ` AC ##P '' tonight , " ET .