The FTC's enforcement statistics don't include actions taken by more than 2, 000 other law-enforcement agencies that have access to the Consumer Sentinel database, which purges complaints after five years.

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As reported by the U.S. Bureau of Statistics in 2008, 73 federal law enforcement agencies then employed approximately 120, 000 armed full-time on-duty officers with arrest authority.

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But even those statistics may or may not include incidents in which the crew requested that local law enforcement meet the plane and take control of a passenger, an FAA spokeswoman said.

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