The new investigation could take ‘multiple days’ as the FBI and EPA examine materials at the home, officials said.

The FBI arrested 24, 11 in California, revealing the crime connection Sikhs have said is a major problem in need of attention ...

Orange County authorities and the FBI responded Tuesday to a hazmat situation in the same Irvine neighborhood searched by ...

Federal authorities served a search warrant on Wednesday at a Southern California aerospace facility where a chemical tank ...

FBI and local crisis teams are trying to get the man who has barricaded himself inside a Bakersfield bank building to free the remaining hostages after two people were released overnight.