Jennifer Coffindaffer has long said the investigation into Nancy Guthrie’s disappearance would take six months.

In this exclusive Nancy Guthrie update, an expert explains why the investigation is 'red hot' behind the scenes despite ...

Former FBI agent and SWAT team member Jennifer Coffindaffer shared her theories on the multiple reported Nancy Guthrie ransom ...

A former FBI agent says Nancy Guthrie's disappearance fits a failed ransom kidnapping theory.

An ex-FBI agent weighs in on the latest ransom note, which claimed Guthrie is dead and "buried with nature." ...

Nearly a dozen US scientists, researchers and retired military officials have died or gone missing in recent years. The White House has asked the FBI to review the cases. Speculation has ranged from ...

As the search for Nancy Guthrie continues well into its fifth month, with no public updates on her whereabouts or potential suspects, a former FBI agent wonders if law enforcement already knows who’s ...