and high volume trafficking investigations in which over an extended period ATF cannot reasonably determine where or to whom such firearms are being trafficked. SACs must closely monitor and approve such investigations, assessing the risks associated with prolonged investigation with limited or delayed interdiction.
Sounds like it doesn't need to be proven, since it was OKed when that PDF doc was written. Maybe whoever wrote the document should be charged for giving the official okee-dokee to go wild west as long as the SAC monitors it.:barf: