TUCSON, Ariz. (KOLD/Gray News) - Pima County Sheriff Chris Nanos shared an update on the late-night searches conducted near Nancy Guthrie’s home on Friday.

More than two dozen SWAT, forensic and unmarked vehicles were spotted Friday night at a house and a street close to the missing 84-year-old’s home.

The sheriff said the searches were “nothing more than a lead tracked down that led to a search warrant.”

Nanos added that no arrests were made. He says a traffic stop was made on a person of interest. The individual was cooperative and last released.

The sheriff added that anyone at the residence was technically “detained” since it is standard procedure to give investigators serving a warrant the freedom to conduct their search.

Roads were blocked in the area by agencies that included the county sheriff’s department, the FBI and local police agencies.

Friday night’s law enforcement activity was located approximately two miles from Guthrie’s Tucson-area property.

FBI investigators were also seen inspecting a gray SUV in the parking lot of a Culver’s restaurant at approximately the same time as the SWAT activity on East Orange Grove Road.

Authorities did not confirm if the FBI activity in the Culver’s parking lot was related to the Nancy Guthrie case.

Earlier in the day, the Pima County Sheriff’s Department confirmed new DNA samples from Nancy Guthrie’s home were sent off for testing. The samples are not from the missing 84-year-old or anyone in close contact with her, authorities said.

“We are not disclosing where that DNA was located,” the sheriff’s department said in a release.

Authorities reiterated that no one has been ruled out as a suspect and no vehicle has been identified.

The sheriff’s department also confirmed that several gloves have been found during its ongoing investigation, with the closest being found around two miles from the crime scene.

Pima County authorities said investigators are still following up on leads and that the new description of the suspect released by the FBI remains the focus.

On Thursday, federal agents released those new details about the person seen in surveillance video at the Guthrie home and increased the reward in the case to $100,000.

The FBI said the suspect is a man 5-foot-9 to 5-foot-10 with an average build.

The FBI also said the man seen in the security video released Monday was wearing a black 25-liter Ozark Trail Hiker Pack.

Agents said they received new information after the FBI’s forensic analysis of the doorbell camera video.

Nancy Guthrie was last seen at her home in the Catalina Foothills on Jan. 31. She was reported missing the next day when she didn’t show up for church.

Her disappearance triggered a large search and investigation, with the FBI and other local, state, and federal agencies helping the PCSD.

Anyone with information, photos or video can contact the FBI at 1-800-CALL-FBI or go to tips.fbi.gov.

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