A suspect was charged with the murder of a 14-year-old southern Illinois girl who was found dead after she went missing late last week, KSDK, the NBC affiliate in St. Louis, reported.

The girl's biological mother, Megan Zeller, identified her as Kylie Toberman to KSDK.

Kylie was reported missing on Friday morning in Vandalia, and she was found dead that afternoon, authorities previously said. Vandalia, in Fayette County, is approximately 30 miles southwest of Effingham.

Arnold B. Rivera was arrested in connection with the 14-year-old's death and charged with first-degree murder, aggravated criminal sexual assault and concealing a homicidal death.

Toberman was found in an RV behind the home she lived in, said Zeller, her biological mother.

Rivera has a lengthy criminal past, includ

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