Who put Bella in the witch elm?

"Who put Bella in the Witch Elm?" Scratched on the front of an old tomb in the graveyard the message had read. It just, appeared there. Days after they found her body in the Wych elm. Whose body? We just don’t know, nobody knows who she is. They decided to named her after the moniker on that graffitied tomb. Days ago, some rebellious boys went out to muck around with each other late in the afternoon found themselves in the more rural part of town. That’s where they found it, that old, dying tree. They decided it would be a great idea to climb up it and look around from the top of it’s scraggly brunches. Then, they saw her. They saw Bella stuffed, stiff and lifeless in the womb of the ageing tree. She had been there for quite some time, her skinned had been picked clean from the years of decay. The tree’s roots wrapped around what was left of her, tangling around every nook and cranny, sprouting from her sockets, it was as if the roots were trying to keep her in there.