The crossword solution for the term NARC, E.G. is FED, which stands for Federal Enforcement Division. The Federal Enforcement Division is a branch of the United States Department of Justice that is responsible for investigating and prosecuting violations of federal law. It is also responsible for providing assistance to state and local law enforcement agencies in the investigation and prosecution of criminal cases. The Federal Enforcement Division is commonly referred to as the 'Narcotics Unit' due to its focus on drug-related crimes.