Obviously Resinates News Today

Mind before today? was this an every day thought you had, the possibility of something like this happening? >> reporter: i think ever since 9/11 and 7-7, terrorism is in the back of your mind when you go into a major city. funny enough i was covering the duke and duchesss visit which was rocked by another terrorist scare when a man was killed at the airport nearby. of course its on your mind. and you speak to security professionals, and theyre pretty honest. they say often terrorism, its not a c...