
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
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.
More FBI Services and Information — FBI
Need an FBI Service or More Information? Criminal Justice Information Services (CJIS) Crime and Law Enforcement Statistics (UCR) Rap Sheet (Identity History Summary)
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.
Chicago — FBI
FBI Chicago and Partners Seek Public Assistance Locating "Chicago Most Wanted" Fugitives Following Operation Summer Heat
San Francisco — FBI
Bay Area teens got an exclusive look at FBI programs and operational teams on the historic decommissioned aircraft carrier in Alameda, California.
Field Offices — FBI
Our local FBI offices are all about protecting your communities. The FBI has 56 field offices (also called divisions) centrally located in major metropolitan areas across the U.S. and Puerto Rico.
How We Can Help You — FBI
Law Enforcement The FBI's law enforcement site contains our online resources for law enforcement partners.