. >> aki peritz, thank you for being with us. >> thank you very much. >>> you can continue to follow the doasmghts that occurred during -- developments that occurred during the boston marathon bomber when you're not in front of the television because we're going to post updates on our website wusa9.com. and you can also get a recap of the latest developments on twitter. our handle is at at wusa9 and our facebook fan page. you'll find an extensive gallery and interviews with local runners and spectators. >>> coming up next, we're going to talk to a homeland security expert about who could possibly be behind this attack. wusa9 news at noon returns in two minutes. (woman) 3 days of walking to give a breast cancer survivor a lifetime-- that's definitely a fair trade. it was such a beautiful experience. (jessica lee) ♪ and it's beautiful (woman) why walk 60 miles in the boldest breast cancer event in history? because your efforts help komen serve millions of women and men facing breast cancer every year. visit the3day.org to register or to request more information today. it was 3 days of

counter-terrorism expert aki peritz, thank you so much for your time and your expertise this evening. fascinating. >> thank you very much. >> john: thank you. we learned something yesterday about new media. new media can seen new mistakes and lots of them! we'll talk about that coming up next. (vo) from the underworld, to the world of privilege. >> everyone in michael jackson's life was out to use him. (vo) no one brings you more documentaries that are real, gripping, current. alright, in 15 minutes we're going to do the young turks. i think the number one thing that viewers like about the young turks is that we're honest. they know that i'm not bs'ing them with some hidden agenda, actually supporting one party or the other. when the democrats are wrong, they know that i'm going to be the first one to call them out. they can question whether i'm right, but i think that the audience gets that this guy, to the best of his ability, is trying to look out for us. >> john: the good thing about around-the-clock media including social media is a great deal of information is able to be sent to