an abc news investigation found that the two terrorists, alwan and hamadi, were able to get through and checks and end up in bowlingling green. one living in this public housing apartment on public assistance, put under 24-hour surveillance by fbi agent dick glen and others. >> when we realized we had a man here with american soldiers' blood on his hands, it took it to a whole new level for us. >> reporter: the other iraqi lived in this residence near the high school. >> it's scary. >> reporter: and as the fbi would learn in the course of its undercover operation, the two iraqis were intent on killing even more americans. >> these two individuals specifically are innately evil. to be able to act as a terrorist and to attack and kill american soldiers and then have the balls to come over to the united states and try to do the same exact thing here from our homeland is unacceptable. >> reporter: the investigation of al qaeda in kentucky was launched based on an intelligence tip forwarded to the fbi's office in louisville. and agents keith carpenter and tim bean. >> anytime you have an a