 Clara is then found dead, having fallen off a cliff during a rest interval while taking a bus to see her dying mother.It is likely suicide.In time, as the official investigation continues, he has to admit to a couple of questionable activities - stalking Clara's bus in his car, while daydreaming about possibly killing her at the first stop (just as Melchior J. Kimmel, a 40-year old bookshop manager, murdered his own domineering wife Helen, an unsolved crime about which Walter had read in the newspaper and grown fascinated by), and visiting Kimmel prior to Clara's death, which ultimately begins to make him look like he was seeking some how-to advice from a wife-murderer.