and they try to square that off. dtht is a ly for someone trying to hide, for a fugitive. but that is the concern. it's probably about a mile down the road from where i'm standing right now where this is taking place. but it's a very tense situation there. they have no doubt that this person is prepared to kill, again. >> we saw those cars behind you, brian, speeding behind you. so, certainly fluid. take care out there and we'll check in in a little bit. abc's brian ross, thank you. we now want to move to abc's pierre thomas who is in washington. you have been in contact with your fbi sources throughout the morning, what can you tell us? >> the fbi says now they are trying to assist the state and bost boston pd in searching for suspect number two. the suspect who had the white cap on that we've been seeing in the videos and the photographs. that is the highest pritorty. they believe this person is a terrorist who is willing to