Murder at My Door with Kym Marsh

The story of 17-year-old Thomas Griffiths, who killed his girlfriend and arranged the crime scene to look like a suicide. (1 of 4)

The story of a teen named Margaret, who vanished while in the care of her father's family friends following his death. (S1, ep 5)

The story of 19-year-old Mundill Mahil, who lured a TV executive to his death in an act of revenge. (2 of 4)

An elderly couple are living an idyllic life in a cosy home until a robbery changes everything and one of them is killed. (S1, ep 6)

In one of the biggest investigations ever carried out by Tayside Police, evidence in the case of a pensioner's murder leads to a family friend. (3 of 4)

The story of a reclusive millionaire, bludgeoned to death while he slept after hiring three people to renovate one of his properties. (S1, ep 7)

When a nurse dies after ingesting a sedative, a fellow medical professional comes under question and a horrifying truth is revealed. (4 of 4)

Family, friends and detectives come together to tell the story of Linah Keza, killed three days before her 30th birthday by her ex-partner. (S1, ep 8)