India, June 29 -- The sheriff of Arizona, responsible for locating Nancy Guthrie, has disregarded a recent letter sent to TMZ by an individual asserting possession of a video featuring the missing 84-year-old, amidst renewed scrutiny regarding his management of the case.

Pima County Sheriff Chris Nanos was questioned about the alleged new ransom note, which claims that two individuals were involved in Guthrie's abduction and that a video stored on a phone in a secure location depicts the 'main' kidnapper.

During an interview on local radio station KVOI AM 1030 on Friday, Nanos said, "I think the FBI has done a number of arrests for false or fake ransom notes. It's a shame that that happens, but I think we're looking at another one of th...