some of the comments from local washington, d.c. law enforcement, kathy lanier, the police chief in d.c., at one point they were looking for two suspects, now they're looking for one. now, the fbi and other federal investigators believe this is the work of one individual, one shooter. and they can't completely rule out trim. this is according to the mayor of washington, vincent gray, although there was a political agenda, if you will, that caused this massacre at the navy yard behind me. >> wolf blitzer, thank you very much indeed. patricia waters, a specialist, heard gunfire from the open cafeteria. she joins me now, welcome, patricia, obviously, a terrible thing to go through. tell me exactly what happened. >> well, i was in the cafeteria this morning. i was standing in line