Little Miss Jane

I see ghosts. They're everywhere. They are the victims of violent crimes whose cases haven't been solved. Once they realize I can see them, they beg me to find justice for them so they can rest.
Except one. My sister, Debra.
She was ten and I was six when we were kidnapped. The monster held us for a week and did horrible things to her before we tried to make our escape. He caught us and killed my sister brutally. I barely survived. That was when the ghosts came.
Our case was never solved so...