Authorities released the 15-year-old girl after determining a resident of the home, described as a woman in her 50s, died prior to the crash, the Belleville (Ill) News-Democrat reported Monday.
"We're still investigating the case. Nothing is conclusive right now. However, it appears at this time that when the vehicle ran into the residence, the female inside had already been dead," St. Clair County Sheriff's Capt. Steven Johnson said.
The crash occurred around 11:30 p.m. Saturday.
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