TUCSON, Ariz.

Pima County Sheriff Chris Nanos stated progress is being made in the six-month investigation into Nancy Guthrie's abduction, citing collected evidence and ongoing efforts. The sheriff emphasized the case remains active, while Nancy Guthrie's daughter, Savannah Guthrie, publicly urged anyone with information to come forward.

Authorities have released an early ransom note related to the disappearance of Nancy Guthrie, hoping the public can recognize the writing style. The note was part of the case details shared by officials in Tucson, Arizona.

Men detained in the Guthrie investigation have filed a notice of claim against the Pima County sheriff. A sheriff's vehicle was observed parked at Nancy Guthrie's home in Tucson, Arizona.

Savannah Guthrie is urging for information in the six-month search for her missing mother, Nancy Guthrie, who disappeared on Feb. 1 after a masked figure was seen at her home near Tucson, Ariz.

Nancy Guthrie was abducted from her Tucson, Ariz., home on Feb. 1. Authorities confirmed foul play, and multiple outlets reported receiving ransom letters.

Savannah Guthrie, a 'Today' show host, made an emotional public appeal for information about her missing mother, as a ransom note received months ago suggested her mother was dead. The family described being in 'agony' and unable to find peace.