FBI and local authorities conducted a major operation in connection to the Nancy Guthrie case, as at least three people were detained and a vehicle was hauled off. The 84-year-old mother of NBC "Today" host Savannah Guthrie has been missing for two weeks.

Nancy Guthrie, the mother of "Today" show co-host Savannah Guthrie, was reported missing on Feb. 1 and ransom notes were being investigated.

Las Vegas police and the FBI searched a home on the east side of Las Vegas Saturday morning, finding a "possible biological laboratory," including “refrigerators with vials containing unknown liquids.

SWAT vehicles were seen departing the Pima County Sheriff’s parking lot amid an ongoing search for Nancy Guthrie, who authorities believe was kidnapped.

Chris Nanos was accused of bypassing federal analysts as search for Today show host’s mother nears two weeks