Learn more: http://to.pbs.org/2ntkstK | #DarkAngelPBS
Joanne Froggatt (Downton Abbey) portrays the mother, wife, and infamous Victorian serial killer Mary Ann Cotton in Dark Angel, a one-night television event coming to MASTERPIECE Sunday, May 21, 2017 at 9/8c on PBS.
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Joanne Froggatt, who stole the hearts of millions of viewers as Anna, the loving and resilient lady’s maid on Downton Abbey, stars in a totally different role in this spine-tingling drama. Dispensing death from the spout of a warm teapot, Froggatt plays the notorious Victorian poisoner Mary Ann Cotton, Britain’s first female serial killer.