Different styles of Thriller!!

Researching different styles of Thriller, how their openings are, what their trailers indicate about the audiences relationship with the film.

Watched the trailer and a movie clip from “Abandoned".
http://www.youtube.com/watch?v=RFR2tP4kN1I
http://www.youtube.com/watch?v=MW5Ee7RxyC8
It is a psychological thriller about a woman (Brittany Murphy) hose boyfriend goes missing in hospital. The hospital or the police have no records of him and so she is forced to prove her sanity and find him on her own.
The camera angles of the trailer are mainly focussed on her showing us that this is a film mainly about her and her situation. So from the trailer you can see elements of why it would be a psychological thriller.
I can imagine in the actual film the audience follows her, seeing what she sees.

Watched the trailer for “The American”
http://www.youtube.com/watch?v=4ywmoXZwkA0
Which is a Crime 'Drama' thriller about an assassin (George Clooney) who wants to give up his job, but still being hunted by his enemies. Not knowing who is giving them the link on his whereabouts he tested on who to trust and what to do.
The trailers camera shots of him and other characters doings e.g. loading guns indicate that it is a film where the audience follow him but perhaps know more than him but in anticipation wait to see how he finds out and what he will do.



Watched the trailer for "Wrecked"
http://www.youtube.com/watch?v=hKUtFGg09xk
Another psychological thriller where a man (Adrien Brody) wakes up in a state. He’s in a crashed ruined car with injuries. Not knowing who he is, where he is or what he’s done, he is forced to survive in the wilderness searching for clues about himself and his past.
Many of the shots in the trailer are close up shots of the wreckage, his injuries etc some on them are canted, representing the turmoil his situation has caused him.There are also many close ups of his eyes indicating it is a psychological thriller focussing on his mind, emotions and actions. Also the quick images of flash backs from his mind, make no sense to the viewer implying that we as the audience follow him knowing what he finds out, as he starts off knowing nothing just as the viewers do. 

I also watched the first opening 15 minutes of Alfred Hitchcock’s Crime thriller, "Number Seventeen" (1932).
http://www.youtube.com/watch?v=QJAyMwP6EQU

From the opening there was an instant element of suspense as a detective enters a supposedly abandoned house to find it is far from abandoned. The camera angle starts from behind him with an over the shoulder shot, so at first we cannot even see his face or who he is.  As he moves, so does the camera, so we are moving with him. At first we see what he sees. For example at one point he looks up and we are shown a point of view high angle of what he saw of how the stairs go up. After this the viewer has the eyes of God, seeing more than him to watch what will happen and how he will react to it and so the film begins....