It appears that this is thankfully a hoax. While it is horrible that someone would create such a horrible story, for whatever reason it was created, It is even worse that the conditions exist for it to be believed. I leave this post up to show that I do jump the gun sometimes. Ok, a whole bunch. :P
She rode her bike to go to the store. She never came home. They found her bike in a dumpster. Late that evening they found her. She had been assaulted with a sledge hammer, they think, judging from the bruises all over her body. Her knee caps had been broken. She had been gang raped. They buried her alive. 'Roo' presente.