But what if it really was about something else? What if this is more than a bizarre coincidence? Is she a terrible person, to wonder whether her ex-fiancé could have anything to do with the crime? It feels ludicrous and, at the same time, perfectly reasonable in a world where someone you once believed in has turned out to be the kind of liar who could promise you a life together one minute and disappear on you the next. After that, what could she not believe?