Sheriff Chris Nanos shared an update on the blood that was found outside Nancy Guthrie's home after her abduction.

Controversy arises in Nancy Guthrie disappearance investigation as Pima County official accuses Sheriff Nanos of scolding over FBI cooperation.

Nancy Guthrie, 84, was kidnapped over 100 days ago in Tucson. Sheriff Chris Nanos stated that crucial details are being withheld to protect the investigation.