Authorities investigating the disappearance of Nancy Guthrie carried out overnight SWAT operations that resulted in multiple ...

Pima County Sheriff Chris Nanos told CBS News the suspect's backpack is one of the most promising leads in the case, as the search continues for Nancy Guthrie.

Nancy Guthrie was last seen at her home in Tucson, Arizona, on January 31 and was reported missing the following day. Authorities say her blood was found on the front porch. Purported ransom notes ...