Murder on the Orient Express

I believe that everyone did it. There are many reasons why I believe this and throughout this paper I hope that you will understand why.
Just after midnight, a snowdrift stops the Orient Express in its tracks. The luxurious train is surprisingly full for the time of year, but by the morning there is one passenger less. An American lies dead in his compartment, stabbed twelve times, his door locked from the inside. These are some of the facts already given from what I have read so far.
One of the first things that lead me to this conclusion was the number of times that Mr. Ratchett was s…