Even as the federal investigations continue, few people in Macau have both the interest and the capacity to impose greater control over the system.

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But before Chen arrived in Asia, Wynn needed a guide and mentor when he was seeking backers for his Macau bid in Hong Kong, where he knew few people.

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Lau Nai-keung, a Hong Kong member of China's National People's Congress, adds that because of Macau's reliance on tourism, its low tolerance for troublemakers is understandable.

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Merrill analyst Dave Anders cited a comprehensive growth plan from Harrah's Entertainment (nyse: HET - news - people ), which is vying to break into the gaming markets in Singapore and Macau while incrementally drawing more customers to Vegas though its highly regarded rewards program.

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