Letters from Britain's first serial killer are to be sold at auction in North Yorkshire. They were written by Mary Ann Cotton in the 19th century from her prison cell in Durham jail. She was executed - suspected of killing 21 people.
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.
A collection of letters penned by a 19th century mass murderer are going under the hammer. Serial murderer Mary Ann Cotton, known as the 'Black Widow', wrote from her Durham prison cell before being executed in 1873. She was suspected of poisoning 21 people including family and lovers.