TV Guide Investigation Discovery Wednesday

The case of former exotic dancer Debra Hartmann, who craved a life of luxury and seemed to have it all - a rich husband, fur coats and expensive car. However, she colluded with lover John Korabik to kill her husband Werner, who was shot dead in June 1982

The murder of Sherman High School graduate Kimberly Dunnachie in Arlington, Texas. Veronica Dunnachie fatally shot her husband Russ and stepdaughter Kimberly in 2014. Kimberly's stepfather and mother, Mike and Dianna Gillum, discuss the incident

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 Sherman High School graduate Kimberly Dunnachie in Arlington, Texas. Veronica Dunnachie fatally shot her husband Russ and stepdaughter Kimberly in 2014. Kimberly's stepfather and mother, Mike and Dianna Gillum, discuss the incident

Late one night in 1993, a California police officer was shot and killed during a routine traffic stop. The only witness was his 12-year-old nephew. However, he was too traumatised to tell police what he had seen

The case of Tracie Andrews, whose 1996 road rage attack killed her lover Lee Harvey. Plus, Hampshire businessman Mike Gifford-Hull's TV plea for his missing wife Farsi that hid the true facts of her disappearance