Which organization is primarily responsible for controlled substance and narcotics enforcement at the federal level?

U.s drug enforcement administration (DEA) i think

U.S. Drug Enforcement Administration (DEA)
Federal agencies, primarily the U.S. Drug Enforcement Administration (DEA), enforce federal controlled substances laws in all states and territories, but the majority of drug crimes known to U.S. law enforcement are dealt with at the state level. give me brainliest pls