NBC’s Chris Hansen has gone from catching predators to catching pimps in Sin City in his Dateline specials. Tomorrow at 10pm, Hansen “visits the darker corners of Las Vegas,” for “Vegas Undercover.” See the promo after the jump.

But before you see Hansen go undercover, you can hear him tomorrow morning on the mediabistro.com Morning Media Menu. We’ll talk to him about this special and more.

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Click continued to see the promo…