The case of Cody Johnson, who was pushed to his death almost 200 feet into a ravine at Glacier National Park, by his wife of only eight days, Jordan Graham.

The case of 30-year-old Natalie Harker, who was found dead in North Yorkshire following a 999 call from her ex-boyfriend Andrew Pearson.

The case of mother-of-three Nada Huranieh, who was found dead on the patio under an open second floor window at home by her 14-year-old daughter.

The tragic case of aspiring model Rhonda Casto, who fell 150 feet to her death from a narrow mountain trail in Oregon's Columbia River Gorge.

The case of millionaire Steven Clayton, who was found dead at the foot of a staircase at the mansion he shared with his wife.

This episode unravels the case of Toni Henthorn, who was pushed to her death from a 160ft cliff in the Rocky Mountains by her husband.

The case of Mary Gough, who was found dead at the foot of a staircase at the home she shared with her husband.