U.S. Marshals... BALLIN'
It's not clear what is being asked by "erring" foreigners. ICE (Immigrations and Customs Enforcement) IS a law enforcement agency and, in the course of carrying out their many and varied duties, they can file affidavits for warrants with the federal court system.
Federal Judicial Center
Federal Judicial Center
Yes, the U.S. Postal Service employs federal law enforcement agents, primarily through the United States Postal Inspection Service (USPIS). This agency is responsible for protecting the mail system and investigating crimes such as mail fraud, identity theft, and postal theft. Postal inspectors have the authority to make arrests and carry firearms, similar to other federal law enforcement agencies.
It was overseen by the Environmental Protection Agency
The Federal Reserve System
actually it is an agency connected to the Central Intelligence Agency Special Postal Operations division based in DC.
an independent federal agency that administers compulsory military service
not politically influenced because the agency is independent
the judicial system interprets the laws (Judicial Branch)Added: Law enforcement enforces them (Executive Branch)The state or federal legislature introduces them (Legislative Branch)
The Federal Bureau of Investigation (FBI) manages the Combined DNA Index System (CODIS) program, which compiles DNA profiles from convicted offenders, crime scenes, and missing persons. This database is used by law enforcement agencies to help solve crimes and identify suspects.
(in the US) that would be your local law enforcement agency. All law enforcement agencies in the US are tied with a nationwide computer system and they ALL draw upon the same database, which is NOT available to, or accessible by, the general public.