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The Drug Enforcement Administration is a United States federal law enforcement agency under the United States Department of Justice, tasked with combating drug trafficking and distribution within the United States. The DEA is the lead agency for domestic enforcement of the Controlled Substances Act, sharing concurrent jurisdiction with the Federal Bureau of Investigation (FBI), Immigration and Customs Enforcement’s Homeland Security Investigations (HSI), U.S. Customs and Border Protection (CBP), and the Department of Homeland Security (DHS). It has sole responsibility for coordinating and pursuing US drug investigations both domestic and abroad.
