How We Investigate
Understanding the FBI's investigative methods and legal authorities.
The FBI Investigative Process
1
Assessment
Initial evaluation of information and threat assessment
2
Preliminary Investigation
Limited inquiry to determine if full investigation warranted
3
Full Investigation
Comprehensive investigation with full legal authorities
4
Prosecution
Case presentation to U.S. Attorneys for prosecution
Investigative Techniques
- Surveillance - Physical and electronic monitoring of suspects
- Undercover Operations - Covert infiltration of criminal enterprises
- Forensic Analysis - Scientific examination of evidence at FBI Laboratory
- Interviews & Interrogations - Gathering information from witnesses and suspects
- Search Warrants - Court-authorized searches of properties
- Electronic Surveillance - Court-authorized monitoring of communications
Legal Authorities
- Attorney General Guidelines - Framework for FBI investigations
- Foreign Intelligence Surveillance Act (FISA) - National security investigations
- USA PATRIOT Act - Enhanced investigative tools
- Title 18, U.S. Code - Federal criminal code
- Privacy Act & Civil Liberties - Protecting individual rights
Oversight & Accountability
The FBI operates under strict oversight to ensure investigations comply with the law and respect civil liberties.
Congressional Oversight
Regular briefings to House and Senate Judiciary Committees
Department of Justice
Legal review and approval for sensitive investigations
FBI Office of Professional Responsibility
Internal investigations of misconduct allegations
Inspector General
Independent audits and investigations