Camerawork typical of a thriller film.

birds eye/ high angle shot: these shots are used to look down on an object of figure to make it seem completely powerless or vulnerable.

close up: these shots are used to show characters reactions, this shot shows the most emotion from characters. And captures detail.

tilted angle: these add lots of dramatic tension to shots, it is sometimes used to as the victim on the floor and you are seeing what they are seeing.

over the shoulder shot: this helps build tension, it adds suspense and is especially used around mirrors.