Four of the Nevada city's biggest casinos -- Caesars Palace, the Bellagio, Bally's and the Flamingo -- are nearby, and police collected surveillance-camera video from them to help the probe.

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The whole scene played out in the midst of the Las Vegas tourist hub, closing a block and a half of the well-known boulevard near some of the Nevada city's biggest draws -- Caesars Palace, the Bellagio, Bally's and the Flamingo.

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The whole scene played out February 21 in the middle of the Las Vegas tourist hub, closing a block and a half of the well-known boulevard near some of the Nevada city's biggest draws -- Caesars Palace, the Bellagio, Bally's and the Flamingo.

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