“Law enforcement activity is underway at a residence near E Orange Grove Rd & N First Ave related to the Guthrie case,” the Pima County Sheriff’s Department said. “Because this is a joint investigation, at the request of the FBI – no additional information is currently available.”

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.

A flurry of fluid activity surrounding Savannah Guthrie's missing mom is going down, as money was deposited into the Bitcoin account associated with a ransom letter from her possible abductors, RadarOnline.

The Pima County Sheriff’s Department said “law enforcement activity” was underway at a residence, and a street was blocked about two miles from Guthrie’s Tucson home.

The suspect in the disappearance of Nancy Guthrie is described as male, approximately 5’9” - 5’10” tall, with an average build, according to the FBI, which increased its reward to $100,000 from $50,000.

DNA has been recovered at Nancy Guthrie’s property that doesn’t belong to her or those close to her, the sheriff’s office says. Follow for live updates.

A Special Weapons and Tactics (SWAT) police truck and several other vehicles passed through an Arizona sheriff roadblock on Friday (February 13) as the search for U.S. television journalist Savannah Guthrie's elderly mother homed in on an area near her home.