The story of 17-year-old Christine Paolilla and her drug-addicted boyfriend, who took the lives of four people, including two friends, in a horrific, jealousy-fuelled attack.

Jealousy and betrayal fuels a brutal murder as a man suffocates his wife to death after forcing her to sign over custody of her children.

The case of Tina Lasonya Brown, one of three people who in 2010 ambushed 19-year-old Audreanna Zimmerman, who later died from her injuries. The attack was said to be the result of a disagreement over a man.

A teenage love triangle ends in bloodshed when Rachel Wade stabs her ex-boyfriend's new girlfriend to death.

A jealous man takes matters into his own hands when his ex-girlfriend moves on from their relationship, killing her and dismembering her body.

The 2013 murder of Dana Mackay, who was attacked by her husband's mistress and two accomplices while she was recovering from surgery in hospital.

Sixteen-year-old Skylar Neese's fate was sealed by two high-school friends who lured her to her death. Their reasoning? They "just didn't like her".

The 1996 disappearance of Kimberly went unsolved until 2005, when her husband confessed after being arrested for a second murder - of his own son.