The Drug Enforcement Administration (DEA) is a United States federal law enforcement agency, headquartered in Arlington, Virginia. Established in 1973, it operates under the U.S. Department of Justice, primarily tasked with combating illicit drug trafficking and distribution. Its core mission involves enforcing controlled substances laws, investigating major violators domestically and internationally, and coordinating with global law enforcement. The DEA also focuses on regulating controlled pharmaceuticals, intelligence gathering, forensic analysis, asset forfeiture, and supporting drug prevention programmes, playing a significant role in the U.S. government’s efforts against drug-related crime.