Experts at a CrimeCon panel raised doubts about the authenticity of ransom notes related to Nancy Guthrie's disappearance.

Experts at a CrimeCon panel raised doubts about the authenticity of ransom notes related to Nancy Guthrie's disappearance.

An expert believes ransom letters in the Nancy Guthrie case were a diversion. He compares the abduction to the John Hinckley Jr. case, suggesting a methodical perpetrator with an…