What i want to look at

Giallo - http://en.wikipedia.org/wiki/Giallo

Thriller film - http://en.wikipedia.org/wiki/Thriller_film

Splatter film - http://en.wikipedia.org/wiki/Splatter_film

List of horror film killers - http://en.wikipedia.org/wiki/List_of_horror_film_killers

Slasher: an IFC Original - http://en.wikipedia.org/wiki/Slasher:_an_IFC_Original