A missing 14-year-old girl was found dead reportedly inside an RV behind her home, and an alleged family member with a history of violent crime has been accused of sexually assaulting and murdering the young girl described as an "angel."

Citing Illinois State Police, KSDK-TV reported that Kylie Toberman was reported missing around 6:30 a.m. Friday. Police said the teen girl was found later that afternoon.

'I WILL NOT SHUT UP OR STOP till my child gets justice!'

The girl's biological mother, Megan Zeller, said Kylie was found dead inside an RV behind a house in Vandalia, where the teen lived with her adoptive mother and two sisters, according to a KSDK news video . Zeller said Kylie's step-uncle — 43-year-old Arnold B. Rivera — lived in the RV behind that house, the video added.

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