I will start by saying that I am a fan of Psychological Thrillers, not anything involving horror. Unfortunately, however, recently those two genres seem to be hand in hand. Despite this, there is one film that has made waves across the board with thriller spectators; which surprised everyone when it’s author was a man who up until this point has almost exclusively been known for his comedic talents.     Could this film be the start of a whole new era for the psychological thriller genre, or is it just a fleeting enigma?     History of Psychological Thriller  The genre of “thriller” is used in entertainment - literary, film or otherwise - works that utilize suspense, tension and excitement to color plot devices. These attributes stimulate the viewer's moods causing them feel anticipation, ultra-heightened expectations, uncertainty, surprise, anxiety and most often,  terror. The most common use of subgenre to thriller is mystery, crime and psychological thrillers, however there are also many other…