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.

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.

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.

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.

You can report suspicious activities and crime by contacting us 24/7 by phone or at tips.fbi.gov.

The FBI’s highly trained personnel then use intelligence, science, technology, and other tools to investigate federal crimes and terrorism.

Law Enforcement The FBI's law enforcement site contains our online resources for law enforcement partners.

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.

FBI Chicago and Partners Seek Public Assistance Locating "Chicago Most Wanted" Fugitives Following Operation Summer Heat

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.