The term DEA Worker refers to a Drug Enforcement Administration (DEA) worker, which is an individual employed by the United States federal government to enforce the controlled substances laws and regulations of the United States. The acronym NARC is used to refer to such a worker, with the letters standing for Narcotics Agent. DEA workers are responsible for investigating and prosecuting those who violate the Controlled Substances Act, as well as other related laws. They also work to prevent the illegal manufacture, distribution, and possession of controlled substances.