Nancy Guthrie Update: A new email claims to have video of Nancy Guthrie and her alleged "main kidnapper" on the day she died. The sender, who previously contacted TMZ, insists on two abductors and demands one Bitcoin for a phone containing this evidence. The FBI is investigating the latest communication, which arrived nearly five months after Nancy disappeared from her Arizona home.

Investigators are zeroing in on an anonymous tipster linked to ransom messages in the Nancy Guthrie case. Despite using male aliases, authorities now suspect the source might be a…

A new demand letter sent to TMZ claims to have video evidence of missing Nancy Guthrie and one of her kidnappers.