Chris is shown reading ‘Crime and Punishment’, by Fyodor Dostoevsky Later on, when talking to Mrs. Eastby’s ghost, he refers to the book, by saying that sometimes it is necessary to sacrifice the innocent in order to succeed.
The reference to ‘Crime and Punishment’ is continued, as the escape, after the double-murder is almost a step-by-step recounting of Raskolnikov’s escape from his double-murder. The major difference being that the older woman was Raskolnikov’s target, and the younger woman was collateral damage. In the movie, it’s the other way around, but staged to look the other way.
