Felony Investigative Assistance Team (FIAT) is a multi-jursdictional Police taskforce based in DuPage County Illinois.

The taskforce has fifteen member Police Departments in DuPage County. FIAT four taskforce teams: Accident Reconstruction, Canine Response Unit, Major Crimes and SWAT.

DuPage County is located in the Western Suburbs of Chicago and FIAT protects approximately 300,000 people.