Season 2

In Georgetown, Indiana, a woman and her two children are found dead, and her former state trooper husband is arrested when inconsistencies emerge in his story. Using dramatised reconstructions, eyewitness accounts and details from the police, experts try to get to the bottom of this true story

The case of Mark Winger, who in August 1995 called police to report that he had shot dead an intruder he found was attacking his wife. Although officers closed the case the next day, the emergence of blood spatter analysis and a new witness led to the investigation being reopened

Reconstructing the death of a man at an Ohio petrol station when a motorcyclist pulled up alongside him and shot him in the head. The case revealed a web of secrets and lies connected to one of the richest families in the community. It transpired the victim had told his son to look to a wealthy man named Ed George if anything ever happened to him. Docu-drama, starring Tony Porfillo

An investigation into how detectives used forensic evidence to solve the murder of Betty Jeanne Solomon, who was found shot dead in her home in Greenburgh, New York, in 1989. The case appeared straightforward as the finger of suspicion pointed to her unfaithful husband, but further examination of the crime scene led detectives to the door of his mistress

In 1994, police in Bellevue near Seattle received a call reporting the deaths of three members of the Rafay family. The father, Tariq, was discovered to have sustained fifteen vicious blows to the head, which led detectives to conclude that his murder was commited not by professional hitmen, but by an individual with a vendetta against their vitcims

A case dating from 2001, when police in the small Welsh village of Llanfairpwll discovered the mutilated body of 90-year-old Mabel Leyshon, drained of blood and with her heart cut out. As the scraps of evidence began to come together, the authorities suspected the involvement of a seemingly well-mannered teenager with a penchant for vampire mythology

Focusing on the murder of a trainee nurse in the Canadian city of Saskatoon in 1969. The programme shows how new forensic methods threw doubt on the convicted killer's guilt

An eight-year investigation into a murder, assessing forensic evidence from the scene which appears to contradict the eyewitness testimony that led to a conviction. The evidence points to another suspect, but obtaining a DNA sample from him proves to be far more difficult than anticipated

Investigating the 1974 murder of art student Cheryl Miller, who was found lying dead in her own bedroom. While initial findings indicated the victim had died from strangulation and been sexually assaulted, the case was only solved 20 years later when the wife of the prime suspect discredited his alibi and the original forensic methods, which stipulated the assailant was sterile, were re-examined

The murder of an elderly lady in 1984, which at the time was linked to rumours relating to anti-nuclear activitsts and government officials. However, the emergence of new evidence suggested the crime was committed by a 16-year-old during a bungled attempt at robbery. Last in series