Serial killer's letters sold in North Yorkshire
Letters from Britain's first serial killer have been sold at an auction in North Yorkshire for £2,200.
They were written by Mary Ann Cotton in the 19th century from her prison cell in Durham jail.
Known as the 'Black Widow', she was suspected of killing 21 people including her own children, husbands, and lovers.
The letters were written to her lodger who lived in South West Durham.


