Police: Tennessee Woman's Infant Died of Drug Overdose

KNOXVILLE, Tenn. (CBS News) -- A Tennessee mother is facing a first-degree murder charges in the death of her 3-month-old infant last spring, reports CBS affiliate WVLT.

According to Knoxville police, Heather Keylon called 911 on April 21, 2015 after seeing that her child, Skylar Brewer, had stopped breathing. Later, an autopsy revealed that Skylar died of a drug overdose, according to the station.

On the day of Sylar's death, Keylon had reportedly told officers her child went to sleep on the sofa. A short time later, she noticed that the 3-month-old was not breathing.

Nearly a year later, Keylon was arrested Saturday and booked into the Knox County jail, according to WVLT.

In addition to a first-degree murder charge, the mother now also faces charges related to felony murder, aggravated child abuse and aggravated child neglect, according to the station.

Keylon reportedly has a history of criminal convictions that date back to 2004, which includes robbery. She had also allegedly admitted to smoking crack cocaine, according to WVLT.

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