Mary Ann Cotton Britain's First Serial Killer

The True Crime Room with Emma · May 15, 2026 · 13m

In the soot-stained terrace houses of Victorian England, Mary Ann Cotton moved like a quiet shadow, a mourning veil trailing behind her as she buried three husbands and nearly a dozen of her own children. To her neighbors, she was a woman plagued by the tragic misfortune of "gastric fever," but behind the closed doors of her kitchen, the truth was brewing in a chipped teapot. With a steady hand and a heart of ice, she served up arsenic laced with domesticity, trading the lives of her loved ones for meager insurance payouts. Long before the term "serial killer" entered the common lexicon, Mary…