Friend who heard murder confession thought furniture heiress would end up dead in love triangle

The discovery of a dead, battered woman off a Florida highway led investigators to unravel her unconventional lifestyle and to the murder convictions of her two lovers in their "throuple" relationship.

Before her body was recovered at the end of a cul-de-sac near Highway 98 on April 23, 2018, Aileen Seiden had checked into room 15 of the Sportsman's Lodge Motel in Eastpoint, Florida, along with her boyfriend Zachary Abell and their mutual girlfriend Christina Araujo. 

A medical examiner...