BRENTWOOD (BCN) – A Brentwood woman was charged Tuesday with second-degree murder, narcotics possession and child abuse resulting in the September death of her 2-year-old son, police said.

Genesis Barrera-Galdamez, 22, was charged by the Contra Costa County District Attorney’s office in the Sept. 20 death of her son Jasani Kerry, Brentwood police said Wednesday. Barrera-Galdamez is being held on $1.1 million bail.

READ MORE: Lockdown-Violating Underground Gatherings Investigated Over Recent Spate of San Jose Shootings

The case began when Barrera-Galdamez found her son unresponsive and called emergency personnel around 3 a.m. on Sept 20, according to police. Efforts to save the boy’s life were unsuccessful.

READ MORE: The Game Changer: New Test Helps Doctors Find Hidden Prostate Cancer

Officers allegedly found drug paraphernalia and fentanyl near the child, and his cause of death was determined to be acute fentanyl intoxication by the Contra Costa County Coroner’s Office weeks later.

Barrera-Galdamez was arrested at the Comfort Inn in Antioch Oct. 30, according to police. She was booked at the Martinez Detention Facility.

MORE NEWS: Oakley School Board Interim Trustees Vote to Fill Vacant Seats; Reject Special Election

© Copyright 2020 CBS Broadcasting Inc. and Bay City News Service. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.