His Personal Angel Of Death

Isobel Lukes, AKA Izzie a 24 year old bartenter in new york turned the seriel killer pet. Following Sylar like a lost puppy. She will do anything he says with out question. Why does Peter know her like hes know her for years along with nathen and angela. What happened to the sweet tough little bartender in new york why did she become a killer and fall in love with the serial killer.