
FBI — Federal Bureau of Investigation
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.
What We Investigate — FBI
The FBI is the lead federal agency for investigating cyberattacks by criminals, overseas adversaries, and terrorists. The threat is incredibly serious—and growing.
Contact Us — FBI
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.
Cyber — FBI
Nov 26, 2025 · The FBI is the lead federal agency for investigating cyberattacks by criminals, overseas adversaries, and terrorists. The threat is incredibly serious—and growing.
FBI Headquarters
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.
St. Louis — FBI
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
How We Investigate — FBI
The FBI’s highly trained personnel then use intelligence, science, technology, and other tools to investigate federal crimes and terrorism.
Atlanta — FBI
Dec 8, 2025 · FBI Atlanta You can report suspicious activities and crime by contacting us 24/7 at (770) 216-3000 or tips.fbi.gov. Submit a Tip
Buffalo — FBI
FBI Buffalo You can report suspicious activities and crime by contacting us 24/7 at (716) 856-7800 or tips.fbi.gov. Submit Tips
San Francisco — FBI
FBI San Francisco You can report suspicious activities and crime by contacting us 24/7 at (415) 553-7400 or tips.fbi.gov. Submit Tips