>> we were going to show him that we were legit and that we meant to do business. >> so everything had to work with precision. >> they had to have conversations with kassar about his weapons and ways they can assist people in killing americans. >> you say look, this is where we need to be, this is the evidence we need to get, i'm going to rely on you to get us there, and hopefully they cross that line. >> this was the best opportunity we had to get monzer al-kassar. if the meeting didn't go in the right direction, we were going to lose him. >> as much as you'd like to think that kassar has dropped