what that tells us there was a lot of police activity happening behind the scenes. what we do not know is if they are think any closer to finding the 19-year-old wanted terrorist today. jenna: a burning question for all of us. we are awaiting the briefing that will be happening in watertown. there is a live shot of all the microphones. we have been waiting for 90 minutes. we heard previously after the busy night of news that we had a briefing would take place around 10:30. 10:30 boston time. we are widely past that now and a big question is what is going on behind the scenes? jon: no surprise because events are changing by the minute in this story, and in this pursuit of the one surviving suspect we know about, 19-year-old dzhokhar tsarnaev. this reaches aupl the way up to the all the way up to the white house. the president is we under convening right now a security session involving john brennan the head of the cia, we know that ambassador susan rice is there as well. the president