acting atf director, kenneth melson also testified there was no policy director from washington or the administration to use this tactic. he said he had not known that such details or briefed superiors about them. he has since left the job. back in july a man named william newel told congress that he made mistakes in handling the operation but defended the aim of it. he said he wanted to take out the entire gun running organization, not just stop a few easily replaced links in the chain. he has been reassigned. and the details keep coming out now. drew griffin joins us with the latest. what have you learned now, drew? >> well, anderson, it deals with what was happening and the guns that were being used. in a letter that was written by congressman issa and senator grassly, the lawmakers say they have obtained detailed information from confidential sources that the biggest fish that the atf had in his whole operation, anderson, was actually this informant with the fbi. so not only was this an operation that didn't have any way to track guns once they went across the border, but one of th