GAINESVILLE, Md. (DC News Now) — Tiffany Nicole Stokes of Gainesville, Md. turned herself in to police after her 20-month-old child died of a fentanyl overdose.

She faces charges of felony homicide and child neglect in the death of her infant.

Prince William County police officers found the child unconscious in an apartment in the 14700 block of Soapstone Dr. on June 23. The child was transported to the hospital where he died.

The Office of the Chief Medical Examiner discovered a lethal dose of fentanyl in the boy’s system caused his death. Police had interviewed Stokes at the time and found her to be in possession of Oxycodone, which had not been prescribed to her.

Stokes was not charged when she was interviewed. Upon receiving a warrant for her arrest, she could not be located.

On Dec. 13, Stokes turned herself in to the police. As of the morning of Wednesday, Dec. 14, she was being held without bond.