TV Guide Investigation Discovery

The case of 36-year-old recently wed mother Carol Grannon, who disappeared in March 1999. Her remains were later found encased in concrete in a manhole. The case went cold until 12 years later when an investigator followed up on leads during a nightly drug sweep in Muskogee, Oklahoma

From the outside, 34-year-old Linda Singleton's life appeared picture perfect. However, no one knew that she was engaged in a deadly love triangle. When the affair came to light, her perfect life came to an untimely end

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

The case of 51-year-old park ranger James Morgenson, who vanished while on duty in July 1996. His remains were found nearly five years later when it was surmised he had fallen through a snow drift, dying of associated injuries and hypothermia. His remains were washed down a creek and into a small cascade where they remained hidden for some time

The case of 52-year-old Colleen Wood, who vanished in December 2000 shortly after planning a round-the-world sailing trip with her new partner, ex-racing driver and wealthy financier John Paul Sr. Her lover was questioned, but no charges were filed. Shortly afterwards he also disappeared

A case from 2003, when a woman from Camden, Arkansas, went missing. The family of Ruiz Stone feared the worst when a local then stumbled upon her abandoned van. Some speculated that Ruiz had fled town, but detectives eventually revealed something far more sinister when they cited Allen Jason Wooten, who had involved in an extramarital affair with Ruiz

In 2013, 22-year-old Amber Bass was shot dead in her driveway after a night out. Detectives had to consider if this was just a random act of violence or whether a jealous lover was involved

A case from Liverpool, where in August 2007 11-year-old Rhys Jones was shot dead by a cyclist as he walked home from football practice. His father and his football coach discuss this tragic story

In 2013, 22-year-old Amber Bass was shot dead in her driveway after a night out. Detectives had to consider if this was just a random act of violence or whether a jealous lover was involved