While it is well written and I dont read "horror" type novels, I still have the feeling that I have already read it.
Maybe you need a different start. Like
He looked down on the files. There were so many of them. How could that have happened? Was it his fault? it all started a week back when....
(Of course a bit longer ^^)
RE: NaNoWriMo Excerpt #1 -- The Dealer (Somnolence)