What are the primary investigative functions of the FBI?
The FBI’s mandate, the broadest of all federal investigative agencies, authorizes it to investigate all federal criminal violations that have not been specifically assigned by Congress to another federal agency. The FBI’s investigative functions fall into the categories of applicant matters; civil rights; counterterrorism; foreign counterintelligence; organized crime/drugs; violent crimes and major offenders; and financial crime. Where is the FBI’s authority written down? The powers of the FBI are derived from congressional statutes. Title 28, United States Code, Section 533, authorizes the Attorney General to appoint officials to detect and prosecute crimes against the United States. Title 18, United States Code, Section 3052, specifically authorizes Special Agents and officials of the FBI to make arrests, carry firearms, and serve warrants. Title 18, United States Code, Section 3107, empowers Special Agents and officials to make seizures under warrant for violation of federal statute