Why doesn't Vaughn Ary show up in qresear.ch?
He seems pretty swampy and is still running https://www.justice.gov/criminal-oia
And Bruce Ohr reported to him. See pg 50 of https://dougcollins.house.gov/sites/dougcollins.house.gov/files/Ohr%20Interview%20Transcript%208.28.18.pdf
I think the OIG would have a key role in military tribunals and he seems like a firewall.