and brian jenkins has been a security consultant for major sporting events including the olympics and the world cup. he's a terrorism expert and senior adviser at the rand corporation. i want to start with you. what organization could be behind these attacks? you were also telling me that perhaps yesterday's bomber wasn't a woman, there is more information coming out. >> everything we know right now is very fragmentary. the accounts sub that the bomber from sunday's attack on the train station is a russian, ethnic russian convert to islam who comes from the russian heartland who moved to the dagestan region to join the fighters there. at this point there is no information about who is responsible for the trolley bus attack earlier today. >> so brian jenkins i want to ask, when we think about these large sort of events like the olympics and some event like this proceeding that, how does russia prepare for it? >> well, security has become an extremely important part of olympic planning, ever since the munich attack in 1972. and security has come to really be a dominant issue. we saw eno

faith jenkins is joining us, former prosecutor, and brian silber, a criminal defense attorney. you disagree with the judge on this. brian, why? >> well, listen, you know, with all due respect to the court, and i want to be clear i respect the judge's decisions this is one of those discretionary matters but we're in the 20 first century and twitter is one of the number one areas where you can learn about a juror's true to heart feelings. it is like one of those situations where you get to read the diary or even pillow talk with the spouse so to speak. this is something that give as clear, unbiased, objective insight and it was completely shot down. here's my real problem with it. there is no harm or foul to the prosecution or to these jurors. there is no expectation of privacy on the internet. it costs nothing but they were shot down anyway. jenna: faith, let me ask you though, if you have a juror's name you can look them up on twitter. for the most part, if you're not locked account you can sort of look at it anyways. they don't need to be forced to give that information to you