Federal law enforcement refers to the agencies and officers responsible for enforcing laws at the national level in a country. In the United States, this includes organizations like the FBI (Federal Bureau of Investigation), DEA (Drug Enforcement Administration), and ATF (Bureau of Alcohol, Tobacco, Firearms and Explosives). These agencies investigate and address crimes that cross state lines or involve federal laws, such as terrorism, drug trafficking, and organized crime. These federal law enforcement agencies work closely with state and local police to ensure public safety and uphold the law. They often conduct investigations, gather evidence, and make arrests. Their efforts help maintain order and protect citizens from serious threats, ensuring that justice is served across the nation.