India, Sept. 16 -- Bridget Sullivan was the Borden family maid and was reportedly the only other person in the house the day Lizzie Borden's parents were axed to death. Abby and Andrew Borden, Lizzie's stepmother and father were killed in Fall River, Massachusetts, on August 4,1892.

While Lizzie was tried for the killings, she was acquitted. A murderer has not been found in the slayings that had shocked the country at the time. Now, the gruesome incident is back in focus with Ryan Murphy's Monster: The Lizzie Borden Story.

Vicky Krieps plays the role of Sullivan in the new series. Not only was the maid a key witness but she also possibly was an accomplice, as per an article on her life. Here's all you need to know about Bridget Sullivan...