Lisa Segotta, a seemingly caring wife living a life of ease, started an affair with a bodybuilder and together they formed a plan to brutally kill her doting husband.

Esther Beckley, a reformed criminal, was convinced by her violent boyfriend to carry out ‘the perfect robbery' which turned out to have deadly consequences.

Kathy Preston was a woman who took pleasure in dominating impressionable men. But, her need for control turned fatal after she married a man half her age.

A woman went from dater to obsessed stalker. She catfished Dave Kroupa and tried to scare off any potential rivals – until one day, a rival couldn't be intimidated.

Mary Jane Fonder was a confirmed spinster, devoted to her local church. When a new priest arrived, Mary Jane became obsessed with him and it ended in tragedy.

In 2008 in Wigan, England, two women had an intense relationship. Becky wore Lyndsey down, abusing her psychically and emotionally and it eventually led to death.

In 2002, a woman who was caring for her ailing mother and unwell husband, felt like she was trapped. She felt her creativity was stifled and planned her escape.

In Perth, Australia, Ella Hromaya's tense relationship with her daughter hits breaking point when Ella moves out of their shared home. It ends in a brutal murder.

A couple were excited about starting a new life together, but a custody battle for his two children is getting in the way. They come up with a fatal solution.

A couple who ran a business together in Lincolnshire, England, were in serious financial trouble. But, instead of declaring bankruptcy, she plots his murder instead.