When would an intelligence agency unmask a name?
When that intelligence agency possesses a valid, non fraudulently obtained FISA warrant for surveillance of an illegal conduct of a foreign person, and with whom an American masked citizen is communicating.
In this ase the FISA warrant was illagally obtained by predicating it on the Steele Teport that was pure
oppositional research paid for by Hillary Clinton, as well as fiction.
The bogus Steele Report originated n Russia, and was the actual Russian initiative that interfered with the 2016 election.And the Democrats bought that interference lock, stock and barrel and continue to blame President Trump for their own gullibility.
Meanwhile Vladimir Putin is smirking into his tea cup.