The South Carolina mother accused of lying about her baby's kidnapping is now being charged with her murder, officials say.

According to Chesterfield County jail, 19-year-old Breanna Lewis is charged with murder by child abuse. Baby Harlee's body was found back in May in a diaper box not far from her home.

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Chesterfield County Sheriff Jay Brooks said Lewis was on suicide watch after her arrest. She was also charged with improper disposal of remains.

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Breanna Lewis, submitted photo.
WCNC

Lewis faces up to 20 years to life in prison if convicted.

Related story: Candlelight vigil held for 11-month-old found dead in Chesterfield Co.