Money
I liked Suspicion when I first saw it and loved it the second time, a decade and some years later. One thing disturbed me on this second viewing though, it's the money issue. They can't afford that sumptuous mansion they live in, it must cost millions, she doesn't have much money and as he says he never had any. Even by supposing he managed to get the papers signed without actually paying anything yet, they could not possibly have kept the place for long. Still, they seem well settled as time marches on. It makes no sense whatsoever, this is much more critical than the 2000 grands he stole.
__________________________
Last watched: http://imdb.com/mymovies/list?l=7838626