CNN Erin Burnett OutFront April 19, 2013 06:14:00
They're facing. if they're all -- if they're all unrelated, which is entirely still possible, then, you know, boston has just had a very, very active week. and these police officers are treating each thing as serious. >> indeed. we are all using an aabundance of caution as we story this story. juliette kayyem, cnn national security analyst and former u.s. assistant secretary for homeland security, too. i want to go to drew griffin to get an update. drew, you're there in watertown. i know, and i understand you have an update. what are you hearing? >> reporter: rosemary, i want to clear up one t...