>> ken, the press conference is starting right now. let's go ahead to listen in to the mayor. >> fdny, chief of department, ed culleds, fbi is sis stent special agent in charge, steven bukar, chief of department joe espozito. and deputy commissioner of intelligence david cohen, bomb squad commanding officer, and officer emergency management deputy commissioner john scravani before. i begin, let me say we're lucky thanks to alert work dwrork -- new yorkers and police officers we avoided what could have been a deadly event. i'm going to begin by telling you what we know and don't know. at about 6:30 this last night, an alert tee shirt vender who is a vietnam veteran noticed an unook byed suspicious