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U.S. Secret Service
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U.S. Secret Service Article

What does the U.S. Secret Service do?

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The U.S. Secret Service is a federal law-enforcement agency within the United States Department of Homeland Security tasked with the criminal investigation of counterfeiting and other financial crimes. After the assassination of President William McKinley, the agency assumed the role of chief protective service for national leaders, their families, and visiting dignitaries.