Serial killer's letters sold

Letters written by the 19th century mass murderer Mary Ann Cotton, known as the 'Black Widow', have been sold in North Yorkshire.

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'Black Widow' letters under the hammer

Some of the letters Mary Ann Cotton wrote from her cell at Durham Prison Credit: ITV Tyne Tees

A collection of Mary Ann Cotton's letters will be auctioned on Wednesday February 27th. Known as the 'Black Widow' was executed in March 1873 for murdering her seven year old step-son Charles after she killed him with arsenic.

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