Pelley this is our western edition. Tonight, as doctors treat ahmad rahami for gunshot wounds, prosecutors filed federal terrorism charges against him. Earlier today, we learned that the man arrested in the weekend bombings in new york city and seaside park, new jersey, had been, at one time, on the f. B. I. s radar. Homeland security correspondent jeff pegues begins our coverage. Reporter two years before the bombings, ahmad khan rahamis f police that his son might be a terrorist. T. Reporter and what did you tell them . Reporter a senior Law Enforcement official tells cbs news that rahamis father, mohammed, called his son a terrorist during a heated argument at the familys new jersey home, so heated that police were called to the house. But the father later recanted his statement, and the f. B. I. Never spoke with ahmad rahami lawyer. Today, the f. B. I. Said it conducted internal database reviews, interagency checks and multiple interviews of ahmad rahami, none of which revealed tie