TV Guide Quest Red Tuesday

The murder of 34-year-old Susan Casey. The mother-of-four's body was found floating in the Yellowstone River in May 2008, but the autopsy report concluded that she had been strangled. The investigation went cold for a few years until her ex-husband Walter Larson was arrested

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

Barrister Robert Rinder looks into the investigation that followed a number of complaints to the RSPCA from people who had purchased sick and dying dogs. It led to an unscrupulous gang of puppy traders and several raids and arrests - but the complaints kept coming. Plus, the story of a murder that tore a family apart

The crimes of Craig Savage, who claimed he never intended to kill his estranged wife and her mother and that his gun had gone off by accident. His body language, however, told a different story

The 2011 murder of Melissa White, whose body was found in her backyard. When investigators took a closer look at the neighbours, they unearthed a secret and had to work out whether it could be connected with the killing