TUCSON, Arizona: Law enforcement investigating the disappearance of “Today” show host Savannah Guthrie ‘s mother sealed off a road near Nancy Guthrie’s home in Arizona late Friday night. A parade of sheriff’s and FBI vehicles, including forensics vehicles, passed through the roadblock that was set up about 3.2 kilometers from the house. The Pima County Sheriff’s Department said the activity was part of the Guthrie investigation but declined to detail specifics. Guthrie, 84, was reported missing on Feb. 1. Authorities say her blood was found on the front porch of her Tucson-area home.

Police had searched the home of the person, who was taken into custody at a traffic stop.

Authorities in Arizona have detained a person in the investigation of missing Nancy Guthrie, mother of Today show host Savannah Guthrie.