His comments are turned off and he's ramblin' answers to all sorts of questions in his head.
Hey Anjel, don't drink MONARCH vodka and go playing around with any red scarves and doorknobs, m'kay?
Sounded to me like the terrorist left a vm on the linguists phone. Linguist lied about his own voice in the recording (recorded greeting?) being his own. No background beyond that.
Linguist possibly 1) Denied the tapped call was on his own phone vm, 2) Complicit with terrorist.
That wasn't stated, but what I inferred.