He is surely a hired gun. Who hired him is the million dollar question.
Well my feeling is still, that he more than likely 'in the past tense if not; then the more hype this gets as to the I.D.; he soon will be.
Believe when this first occurred; that it was said that the 'friend' and other man present; returned to Russia and were 'in hospital' because of their exposure; and not available for comment. . .think that info, still stands.
. . .as for a million-dollar question; have to say; not to me. I have no doubt that Putin ordered the job done. You can take the man out of the KGB; but you cannot take the KGB out of the man; particularly when it serves his best interest.