Dermot Mulroney

We now know that Francis Gibson (Dermot Mulroney) — the schlubby, seemingly non-threatening parent chaperone on NBC's Crisis — is actually the mastermind behind the titular situation, in which a busload of schoolchildren are kidnapped and held hostage in Washington, D.C. But the question remains: Why?

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Viewers may get some answers in Sunday's episode. In the exlusive sneak peek below, Gibson outlines some of his Occupy Wall Street-esque motivations for making the children's rich and powerful parents squirm.

But simply depleting some rich folks' bank accounts isn't his main concern. Though details about his time at the CIA are still scarce, it turns out Gibson is hoping to inflict as much damage on the government as it did on him. But how far will this former "bug"-turned-self-proclaimed-king go to fulfill his agenda?

Check out the clip below:

Crisis airs Sundays at 10/9c on NBC.