Imperfect Murder

Beard: A multi-millionaire is shot dead in his own bed and a shocking confession implicates a mastermind pulling the strings from the shadows. (S1, ep 5)

Ibarra: In 2015, Samantha Nicole Wohlford, along with co-conspirators, orchestrated the kidnapping and murder of her husband, Ernest 'Ernie' Lee Ibarra Jr. (S4, ep 15)

Ibarra: In 2015, Samantha Nicole Wohlford, along with co-conspirators, orchestrated the kidnapping and murder of her husband, Ernest 'Ernie' Lee Ibarra Jr. (S4, ep 15)

Hlavka: Anna Hlavka is sexually assaulted and murdered in 1979 and the case goes cold for nearly 30 years. A shocking turn of events sees the murder linked to a serial killer. (S2, ep 12)

Lipscomb: Police fail to identify Kathleen Lipscomb's killer and the case goes cold. However, a suspect comes to the fore several years later and the murderer is finally caught. (S2, ep 9)

Barsock: LaNell Barsock is shot dead in 2010 and the victim's friend goes missing. Police use a popular TV show to locate her and uncover the truth, years on from the crime. (S2, ep 11)

Barsock: LaNell Barsock is shot dead in 2010 and the victim's friend goes missing. Police use a popular TV show to locate her and uncover the truth, years on from the crime. (S2, ep 11)

Gouldin: When the murder of a woman in her home spawns numerous other horrific killings in Elkridge, Maryland, brutalised mannequins in the area prove key in solving the case. (S1, ep 4)

Flagg: In the rural town of Fayette, Maine, Ted Flagg returns to his newly purchased home only to find his wife Judith stabbed to death. Investigators race to find answers. (S1, ep 6)

Flagg: In the rural town of Fayette, Maine, Ted Flagg returns to his newly purchased home only to find his wife Judith stabbed to death. Investigators race to find answers. (S1, ep 6)

Baker: After young mother Debbie Masters Baker is found brutally beaten to death in her home near Austin, Texas, police struggle for nearly 20 years to identify the killer. (S1, ep 9)

Lavine-Smith: Engaged couple Kimberley Lavine and Edward Smith head out on a road trip in 1985, but are later found murdered and dumped in the wilderness by an unknown assailant. (S1, ep 8)

Lavine-Smith: Engaged couple Kimberley Lavine and Edward Smith head out on a road trip in 1985, but are later found murdered and dumped in the wilderness by an unknown assailant. (S1, ep 8)