The Rise and Fall of Infamous Serial Killer Mary Ann Cotton 

Investigative journalists uncovered a chilling pattern: every individual Mary Ann was associated with succumbed to mysterious stomach illnesses, hinting at her numerous unsettling relocations within London. The culmination of newspaper speculation led to a formal investigation. Crucially, the doctor who examined Charles Cotton preserved samples, revealing arsenic in his system, a sinister find that escalated the case.

Following this revelation, authorities took decisive action by arresting Mary Ann for the murder of Charles Cotton. However, her trial encountered unexpected delays due to her pregnancy and complications in appointing the prosecution counsel. This twist added another layer of complexity to an already convoluted case.