Letter to AG Barr requesting information on two members of the Special Counsels office:
[Andrew Weissmann]
[Zainab Ahmad]
Both were part of a DOJ group communicating with Ohr about the dossier.
https://republicans-oversight.house.gov/wp-content/uploads/2019/03/2019-03-01-JDJ-MM-to-Barr-re-Special-Counsels-Investigation.pdf
I remember seeing a mention of Whitaker cutting a couple guys loose from the Mueller investigation a few weeks ago but I can't find anything on it. I'm willing to bet these are the guys.