Joanne Froggatt explores what Downton Abbeys Anna Bates would think of Dark Angels Mary Ann Cotton. Dark Angel premieres Sunday, May 21st, 2017 at .\r
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Actress Joanne Froggatt explores the painful past and nuanced character of real-life serial killer Mary Ann Cotton from Dark Angel, as seen on MASTERPIECE .\r
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The real life story behind ITVs Dark Angel - not sure how accurate either are though. However if you want more analytical & factual info checkout the .\r
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