A suspected biological laboratory raided by Las Vegas police and the FBI may be connected to a similar incident in California, where officials found infectious agents such as HIV and malaria, the

The FBI is investigating a criminal case in the city of Florence linked to "revenue diversion activities within a specific revenue stream."

The city asked the FBI to investigate after discovering 'revenue diversion activities without a specific revenue stream'

The Las Vegas Metropolitan Police Department is warning the public that a "prolonged investigation" is expected in the east valley on Saturday.

The FBI executed a search warrant Wednesday at an elections office in Fulton County, Georgia, seeking to take ballots in an investigation that a source told CBS News is linked to the 2020 presidential election.

"We have found evidence of possible biological material," McMahill says

Federal agents with Homeland Security Investigations and several partner agencies served 15 search warrants at Zipps Sports Grill locations across the Phoenix area Monday as part of a months-long criminal investigation.

DHS is leading the investigations, not the FBI, which has raised questions about independence, and local officials have been cut out where there is usually cooperation, experts say.