A nine-month-old West Virginia girl died after sustaining horrific injuries during a sexual assault at the hands of her mother’s boyfriend, authorities confirmed Wednesday.

Benjamin Taylor, 32, was charged with murder on Thursday morning, according to Jackson County Sheriff Tony Boggs. Taylor was initially charged with first-degree sexual assault and was being held on $2 million bail.

The child’s mother found the nine-month-old covered in blood in the basement of the apartment complex where the couple lived on Monday morning.

She had injuries consistent with a violent sexual assault, according to Boggs.

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Benjamin Taylor, 32, was arrested on Monday and initially charged with first-degree sexual assault, he will now face first-degree murder charges. (Photo: WV Regional Jail Authority)