The Life and Bizarre Death of “Necro-Entrepreneur” Locusta, the World’s First Known Serial Killer

The Love Potion. Evelyn de Morgan, 1903.

Little is known about the world’s first serial killer, which is perhaps why accounts of Locusta’s death are . . . eccentric?

Here’s what we do know: Locusta hailed from Gaul, the outer province of Ancient Rome now known as France. Trained in herbs, she mastered the system of “patronage” and made a name for herself as a reliable assassin – or as Dr. Katherine Ramsland calls Locusta’s business, “necro-entrepreneur.” [1] To Locusta’s benefit, Rome brimmed with wealthy, would-be-patrons, eager to hasten the death of rich relatives. These clients also reliably bailed Locusta out of prison when events didn’t unfold per plan.

In AD 54, Empress Agrippina, the fourth wife—and niece—of Emperor Claudius, grew tired of her uncle/husband. She conspired with Locusta to murder Claudius in order to place her son from a previous marriage, Nero, on the throne. The Emperor, however, proved…