In an office. Cant really remember exactly, but she went to the house pretty soon into the movie.
Few other bits I remember:
The REALLY creepy scene where one girl watches the shadow-thing [for lack of a better word] on a security camera.
Young girl scared to go out cause her friends who were killed want revenge.
Creepy catatonic grandmother type person.
Here's the cover of the DVD I saw [either R1 or Region Free]: