and giving up a lot," he said. "From an investigative standpoint, that's pretty good information you're getting. Maybe he can hook you into even bigger fish."
Yeah, he 'talked and gave up a lot' just long enough for ATF to give him a phone number and turn him loose. After which, surprise! SURPRISE!!, he disappeared.
This Gunwalker mess combines such levels of idiocy and/or corruption, I'm sick to death of finding out more about it.