Patrick Conlon unmasked Flynn before the Flynn/Kislyak calls
https://www.hsgac.senate.gov/imo/media/doc/2020-05-13 ODNI to CEG RHJ (Unmasking).pdf
Interesting
From the Flynn/Kislyak calls transcript
https://www.hsgac.senate.gov/imo/media/doc/Flynn-Kislyak calls.pdf