Susan is a minor character mentioned briefly in hand in killer7. The lover of Harman Deltahead, her brutal murder in 1768 drove Harman insane with grief. A mysterious man with an 'angelic smile' who Harman had met ten years previously guided Harman to the villa where Susan had been killed, whereupon Harman witnessed a vision of seven corpses, including that of Susan's - his first encounter with the entities known as Remnant Psyches.