The story of a woman who teamed up with her lover to murder her husband, in the hope that they could both cash in on a hefty life insurance policy.

A look at the twisted case of a former airline pilot, who murdered his wife by deliberately crashing their car into a tree after disabling her airbag.

The chilling story of midwife and mother-of-four Hannegret Donnelly, who battered her husband to death with a rolling pin.

Childhood sweethearts Lisa and Thomas Infante quickly grew apart, but their marriage continued to struggle on until Lisa made the fatal decision to leave.

Amin Miah wanted a devout, homely wife to start a family with. Mahmuda Khatun wanted a career, a social life—and her family off her back. It was not the recipe for a happy marriage. Their differences irreconcilable, one of them would choose the violent way out.

Controlling husband Kelvin Newton snaps and strangles his wife to death when she asks him for a divorce in 2013.

A former policeman claims his wife's death was accidental after he chokes and smothers her to death at their home in Aberdeen.

The chilling story of Martin Cavanagh, who killed his estranged wife after becoming consumed with jealousy following the end of their relationship.

The hunt for Martin Duram's murderer goes cold for more than a year until the emergence of an unlikely key witness - his pet parrot - leads detectives to his wife.

When a man is shot in his home in New York, it emerges his wife masterminded an evil murder-for-hire plot so she could cash out life insurance money in his name.

When Kelley Clayton is brutally killed in her home, her seemingly innocent husband has a solid alibi - until a murder-for-hire plot is revealed.

A man carries out the horrendous double killing of his wife and her grandfather before going on the run, leaving his young daughter to discover his crimes.

A violent, estranged husband with a history of abusive and controlling behaviour brutally kills his wife, filming her last moments on a mobile phone with their infant daughter in the house.

In a brutal attack, Scott Gellatly murdered his estranged wife, Lori Jackson Gellatly, and shot her mother in the Jackson family's home in Oxford, Connecticut. He also injured the dog who was trying to protect the mother and daughter.

To others, Stephen Searle was a politician, veteran and pub landlord. To his wife Anne, he was a violent abuser. Only her death would expose his true nature.

Kelly and George Worgan appear to be the perfect parents, but their marriage ends in murder. After strangling his wife, George left a note for his children which read `Daddy loves you.'

After a decade of marriage, David Clark snapped and killed his wife in a brutal attack on one fateful New Year's Eve night.

Brian Burns claimed it was an accident, but the overwhelming evidence against him proved that Brian Burns killed his wife in a savage attack before trying to cover up the murder.

Lois Riess fatally shot her husband and went on the run to evade justice. But her determination to escape her gruesome past left another innocent victim dead.

The shocking story of a husband who opened fire on his estranged wife while sitting in a car outside their children's school.

The story of the vicious murder of Aliny Godinho, whose ex-husband Ricardo stabbed her to death as her three-year-old daughter watched on.

The story of a man who brutally shot his pregnant ex-wife with a crossbow, in a premeditated attack he plotted for three years prior.

Steven and Crystal McDowell were never a good match, but years after they split up, Steven kept telling himself that a reconciliation was near. Until Crystal suddenly disappeared during a deadly hurricane.

Glyn Dix met his second wife Hazel in prison while serving a sentence for murder. After his release, Dix could not resist his urge to kill again and chopped his wife's body into 16 pieces.