High Quality Content by WIKIPEDIA articles! A law enforcement agency (LEA) is any agency which enforces the law. This may be a local or state police, federal agencies such as the Federal Bureau of Investigation (FBI) or the Drug Enforcement Administration (DEA). It could also refer to a national police force such as the Serious Organised Crime Agency. Also, it can be used to describe an international organization such as Europol or Interpol. This is a list of law enforcement agencies, organized by continent and then by country.