Robert Buchanan was a doctor in New York in the late 1800s who divorced his first wife in order to marry a brothel-owning woman from Newark, New Jersey. When she turned up dead, it...

Jane Toppan, aka Jolly Jane, was a nurse in the late 19th century who cared for the elderly and also murdered at least 31 of them. She admitted to taking pleasure in watching them ...

Georgi Markov was a Bulgarian writer (and chemist!) in the 1960s and 70s whose writings against the Soviet Union and Bulgaria got the attention of that government and led to his ta...

Graham Young was a psychopath chemist who killed or injured many people who he came in contact with. He was fascinated with chemistry, poisons, and the Nazis, and had a habit of po...

Marie Lafarge was a reluctant bride who was accused of murdering her husband in the late 1830s by poisoning him with arsenic. At the time the arsenic tests were often inconclusive,...

Part Two of two: Amy Archer’s reign of terror inside a nursing home in the early 1900s was the basis for the play and later the movie Arsenic and Old Lace. Amy took in boarders in ...