is really to attain sanctuary. >> reporter: as for the two brothers who displayed combat tactics as they attacked the magazine last week, their terror ties go to yemen and the al qaeda group there. according to u.s. officials. in a phone call with a french tv station, the younger brother cherif claimed he got money for the attack through anwar al awlaki, the radical cleric killed in yemen some three years ago. >> two say they're al qaeda. one says he's isis. that means there's a greater talent pool for both of them to call on. >> reporter: none of which is good news for the u.s. or its allies as they try to deal with this continued terror threat. brian ross, abc news, new york. breaking news overnight in the search for the rest of the doomed airasia flight. one of the black boxes has been recovered. two weeks after the flight went down, divers retrieved the flight data recorder from the java sea and found a cockpit voice recorder as well but