welcome back. this is the last day of national police week where law enforcement across the country comes together to honor those killed in the line of duty. chief intelligence correspondent catherine herridge tell us how the fbi is trying to bring their killers to justice. we want to honor those officers who have fallen or injured in the line of duty. and so what floor of this in the bureau. this is the home of our investigative division. amy hess, an executive assistant director at fbi is leading an effort to raise awareness about crimes against law phone rment. we ve launched a campaign this we cannot only to try and identify and locate the fugitives, but we also want to try to bring renewed focus to the unsolved cases. what trends are you seeing? 55 officers were feloniously