New breakthroughs in genetic genealogy, combined with investigative work, finally revealed who was behind the Toronto murders of Erin Gilmour and Susan Tice.
It initially seemed that Joy Hibbs died in a house fire, but an autopsy revealed she was killed before the home was set ablaze. Still, decades passed before an arrest came.
As detectives Jalen Shaw and Vincent Riley try to track down the killer of a former Congressional aide who just testified in a high-profile case, they look into whether the killer could be someone close to home.
“Viewers will see jealousy at its worst, probably unwarranted, certainly corrosive, and in the end, deadly,” Dateline correspondent Keith Morrison said of new details in the shocking crime.