TV Guide Investigation Discovery Tuesday

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 murder of grandmother Irene Kennedy, found dead in a park. A distant relative was charged with her murder, splitting her family apart, and it took years, another killing and a jail house snitch to bring the family back together

A case in which an obsessive video blogger, who shared every detail of the rollercoaster life she shared with her husband and their children, suffered a break-in during which the intruders tied her up, kidnapped her husband and executed him. Detectives soon discovered that someone had been keeping secrets

The case of outgoing 23-year-old Brandi Wells, who vanished in Longview, Texas, shortly after heading for a nightclub in August 2006. Her car was later found abandoned on a major interstate

The case of Beverly Thompson, who was found bludgeoned to death in her own home. No one suspected her family and detectives remained puzzled until CCTV footage revealed someone was lying

The disappearance of Amy St Laurent after a night out with friends in October 2001. Investigators suspected Jeffery Gorman, who Amy had met at a club, of either kidnapping or killing her, but had insufficient evidence to press charges. However, Gorman later made a full murder confession in a telephone call to his mother

The case of Martin Tankleff, who as a teenager in 1990 was convicted of murdering his parents. Apparently forced into a confession, Tankleff spent 20 years trying to prove his innocence