1) "My hands moved with a life of their;"
(Um, I might be wrong, but I assume that you've intended to type "their own".)
2) I think that you've chosen the perfect POV for this story. (1st person POV=Heightened horror)
3) Emily is so young, yet so cunning. Argh, her life has ended too soon.

CREEPY! OMG, I had goosebumps crawling all over me!! It was such a scary story... no, not scary, just... creepy? ;)
Narq.