The investigation into Nancy Guthrie's disappearance has taken another twist after TMZ reported receiving a fresh email from an anonymous person.TMZ reported that it had received a fresh letter from an anonymous sender, claiming to have video of Nancy Guthrie and the "main guy" on a phone. (via REUTERS)On Friday, June 26, TMZ reported that it had received a fresh letter from someone who had previously communicated with the outlet, claiming to have video of Nancy and one of the suspects, who the sender says is involved in her kidnapping, on a phone in a "secure location."The individual, who TMZ reported has the same Bitcoin account and email address as the person who emailed them weeks after Savannah Guthrie's mother vanished, claimed that two individuals were involved in Nancy's kidnapping and that the video showed the "main guy."The entertainment outlet said it has forwarded the latest message to the FBI, but none of the claims made in the email has been independently verified by law enforcement.