San Bernardino County supervisor's Chino home is among multiple locations where FBI served warrantsThe FBI served warrants at multiple locations in San Bernardino County, including a county supervisor's home and a residence in Ontario. The FBI served warrants at multiple locations in San Bernardino County, including a county supervisor's home and a residence in Ontario. The FBI served warrants at multiple locations in San Bernardino County, including a county supervisor's home and a residence in Ontario. The FBI served warrants at multiple locations in San Bernardino County, including a county supervisor's home and a residence in Ontario. ONTARIO, Calif. (KABC) -- The FBI on Tuesday served warrants at multiple locations in San Bernardino County, including a county supervisor's home in Chino.