Transcript for Thief Steals Half-Million Dollars From Detroit Casino

First, here, the clever thief counting his cash, $500,000 stole out of an armored truck. Struck outside of a casino in Detroit. ABC's Marci Gonzales join us. This happened at 8:00 A.M. If in the morning. 21. Casino. Reporter: Outside this Detroit casino, $500,000 heist pulled off by a thief armed with nothing more than the right display. A look Loomis jacket, black glasses. Reporter: The driver of this armored truck was making a stop unrelated to the casino Friday morning. The driver reportedly followed the order and the thief managed to grab a few bags of cash and walk off with more than a half million dollars. Good thing is, no one was hurt. At this point, that's the most important thing. But we'll continue our investigation. Reporter: Police, now, questioning the driver and going over surveillance footage from outside the greektown casino as the FBI joins the search for the man behind this high-stakes criminal gamble. A spokesperson stressed that this isn't involved coming in and out of their business. Lot of questions Oh, yeah. He didn't even have a weapon. No gun, no mask, just the uniform. Incredible. Let's check weather now,

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