CNN CNN Newsroom With Brooke Baldwin May 14, 2015 18:07:00
Means an unmanned aerial device. so it doesn't necessarily mean it's armed or dangerous. it's just a term we use for unmanned aerial device. the response capacity to bring down one of these just does not exist in most nonwar-like situations. in wars we have the capacity to do it. on a civilian street, even one close to the white house, it's very difficult to do. >> right. juliette kayyem thank you so much. kristen brown f you get more information, let us know. ladies thank you. we are also following some major developments here in the aftermath of that deadly train derailment in philadelphia...