agencies about the vie leapt c -- violent chatter online two days before the attack but alerted the city's health department to call up d.c. area hospitals to prepare for a mass casualty event. empty your emergency rooms he said. stock up your blood banks. >> good to see you, sir. >> what did you know? >> not what we knew but the threat picture we seen. leading up to january 6th we started seeing a lot of concerning information surrounding the events that were planned. information from particular actors that we hadn't seen before, specifically looking at what we call ttps, tactics, techniques and procedures that indicated they would be intent on performing acts of violence into personal violence and possibly even smuggling weapons into the district. >> so how come we weren't more