 Kate Warne

Kate Warne (1833 – January 28, 1868) was an American law enforcement officer, known as the first female detective, in 1856, in the Pinkerton Detective Agency and the United States.Very little is known about Kate Warne prior to her working for Allan Pinkerton, except that she was born in Erin, Chemung County, New York and was a widow by age 23.