Feds charge a California man with trying to profit from Nancy Guthrie's disappearance with a bogus ransom

Savannah Guthrie's mom, Nancy Guthrie, was last seen on January 31.

Don Arnold/WireImage

• The FBI arrested a California man accused of sending a bogus ransom demand for Savannah Guthrie's mom.
• Police believe Nancy Guthrie was taken from her Arizona home five days ago.
• Authorities said they are taking a separate ransom letter distributed to the media "seriously."

A California man whom an FBI official slammed as a "total imposter" was arrested and charged Thursday...