news. new terrorism bulletin from the department of homeland security. it highlights the potential for violence surrounding the upcoming 20th anniversary of the 9/11 attacks. what seems to distinguish it, though, from similar alerts in the past is it also draws on domestic factors. quoting dhs s intelligence chief now. quote, you have to pay attention to that which we are seeing right in front of our face. cnn s alex marquardt joins us, now. so, what is he talking about when he says what they are seeing right in front of their face? well, anderson, there are a number of concerning factors that have been addressed in this dhs bulletin. the way they look at these potential terrorists is really in two camps. the first, people who could be radicalized by foreign groups, like al qaeda. the second is more domestic, inward looking, like you mentioned. people who are motivated by grievances. people who are motivated by by racial extremism. by an anti-government sentiment. in that first gro