>> crumpton: yes.t day, we'd talk to the tribal leader that was next door. we would make him the same offer. given the incentive that we had set the previous day, he was much more amenable to negotiations in our favor. >> logan: because he heard the guy that wouldn't cooperate was killed yesterday? >> crumpton: or in some cases, he saw that his.. his fellow commander, his... his tribal ally was killed. >> logan: hank crumpton took us with him last september to the place where his plan first began to unfold-- here in the panjshir valley, 70 miles north of the afghan capital. our helicopter touched down on the same riverbank where crumpton first landed in the dead of night nearly nine years ago. just across the river on a hill overlooking the landing site is the original safe house used by the c.i.a. in 2001. inside the now-renovated building, one of hank crumpton's old allies was waiting to greet him. >> crumpton: good to see you. good to see you again. >> muhammad arif: how you doing? >> crumpton: i'm