radiation of the explosion. but one i was monitoring monitoe police scanner traffic in boston and the police, every officer was specifically being told, be careful of every trash can. so, i think that s why you re saying some of these might be controlled explosions, not necessarily they found a device. they could be controlled explosions, just something suspicious, something they re going to do in this situation. also, we understand that they were shutting down cell phone traffic, which is interesting. if these were sophisticated, then cell phones are a way of triggering those devices. could have been a timer attached to the explosion simple. we don t know if it may be a suicide bomber walking around. but cell phones would be one way 0 trigger those devices. neil: what do you make from your experience covering this abroad that the element of doing this when you know it s a big event but not at the precise momenty you think you get the attention of the big event. after all, bon mara
office. ed? 3:00 p.m. eastern time the president was informed by his homeland security advisor here the white house. she replaced john brennan. we re told other senior aides in the oval office giving the president updates. he will get briefings throughout the afternoon. we ll wait to see if he come out and says anything to the public. i gather, having been through this before, the president is going to get as much facts as possible before the federal government jumps out ahead and says anything specifically. we re told the president did phone the mayor of boston, he called the massachusetts governor, and interesting that while we re still gathering these facts, vice-president biden was doing a conference call about gun control previously scheduled, and during the call he was watch something tv news reports and used the word, bombing, something the government has not done yet. look at the vvment vice-president.