I can’t remember about DC, legally do yo need both sides permission to record a conversation?
In some states you do & in some states you don’t.
However recording anything In a high security area even having the capability on your person to record is very illegal!
Notice how many leaks stopped after she was fired...
For example, her superior could request and receive permission to record his separation conversation with her as a defense against bogus charges of all sorts. Were that the case, though, there probably would have been a third party present at the time as well.