David Leath is dead. His wife, Raynella Dossett Leath, says it's suicide. But Knox County Detective Perry Moyers is suspicious. This isn't the first time a husband of hers has died under curious circumstances.

Coming Nov. 13: Raynella Dossett Leath is a 69-year-old grandmother who has lived anything but a quiet life. In the wake of her second husband's suspicious suicide, questions surface over the curious accident that killed her first husband. Three trials later and an overturned conviction later, a conclusion is anything but settled.

Was she wrongfully accused? Or is she a black widow that escaped a life sentence?