PENN HILLS (KDKA) — The death of 17-year-old girl in a fire at a Penn Hills home has been declared a homicide.

The Allegheny County Medical Examiner says Teesa Williams was shot in the head; however, her cause of death was smoke inhalation.

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Investigators believe she would have survived the gunshot wound. Williams also had several unexplained bruises on her body.

According to police, Williams’ mother left for work at 6:30 a.m. The fire was reported around 9 a.m., so the crimes happened between that time.

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No one knows why she didn’t go to school. The girl’s mother says she was dressed for school when she left.

Police will not say if there’s a suspect or a person of interest, but say the investigation is ongoing.

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