We protect the American people and uphold the US Constitution. You can report suspicious activities and crime by contacting us 24/7 at tips.fbi.gov.

The FBI is the lead federal agency for investigating cyberattacks by criminals, overseas adversaries, and terrorists. The threat is incredibly serious—and growing.

Please contact your local FBI office to submit a tip or report a crime. Use our online form to file electronically or call the appropriate toll-free number.

The FBI doesn't just solve cases and prevent attacks. It also provides a range of services to its many partners and to the general public.

Dec 18, 2025 · The FBI is the lead federal agency for investigating cyberattacks by criminals, overseas adversaries, and terrorists. The threat is incredibly serious—and growing.

Dec 18, 2025 · FBI Los Angeles You can report suspicious activities and crime by contacting us 24/7 at (310) 477-6565 or tips.fbi.gov. Submit Tips

FBI St. Louis You can report suspicious activities and crime by contacting us 24/7 at (314) 589-2500 or tips.fbi.gov. Submit Tips

The first FBI employees moved into the new Headquarters building on June 28, 1974. At that time, FBI Headquarters offices were housed in nine separate locations.

What is the FBI? The FBI is an intelligence-driven and threat-focused national security organization with both intelligence and law enforcement responsibilities.

Historical information about the FBI including famous cases and criminals, investigative challenges and milestones, controversies, and the Wall of Honor.