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Murder by the Sea (2018)

Britain’s Worst Female Serial Killer

0.03 / Oct / 2024•m

Despite only being trialled and convicted for the death of a single victim, Mary Ann Cotton is often classed as Britain’s worst female serial killer.

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Season 9 Episode 4

0.03 / Oct / 2024•m

Despite only being trialled and convicted for the death of a single victim, Mary Ann Cotton is often classed as Britain’s worst female serial killer.