The booking photo of Helen Spence, 18, after she murdered the man on trial for murdering her father and raping and murdering her stepmother. She later murdered another man for sexually harassing and threatening her. Helen was the inspiration for Mattie Ross in True Grit (Arkansas, 1931) . GalleryThe booking photo of Helen Spence, 18, after she murdered the man on trial for murdering her father and raping and murdering her stepmother. She later murdered another man for sexually harassing and threatening her. Helen was the inspiration for Mattie Ross in True Grit (Arkansas, 1931) .
