Peter Gallagher Peter Gallagher

What is the deal with Belenko on Covert Affairs?

Arthur (Peter Gallagher) will try to uncover intel on the dirty diplomat's ties to the Russian embassy on Thursday's episode, but he's unfortunately hitting a dead end, as seen in the exclusive sneak peek below.

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"I don't get it," Joan (Kari Matchett) tells Arthur. "The guy's Chechen posing as a Georgian diplomat. Why are the Russians willing to hide him?"

Check out the video to hear Arthur's theory. Covert Affairs airs Thursdays at 10/9c on USA.