OAKLAND (CBS/AP) — A California woman and her son are facing criminal charges in connection with the death of a teenager who mixed prescription drugs and alcohol during a party at their Alameda house.

The Oakland Tribune reports that the 57-year-old woman and her son, who graduated from Alameda High School this year, are charged with child endangerment and obstructing a police investigation.

READ MORE: Sacramento's Tower Cafe Appears Set To Reopen In July

They did not appear at their Thursday arraignment. Their next court date is Dec. 30.

READ MORE: Yuba City Neighborhood 'Traumatized' After High Speed Drivers Repeatedly Crash Into Homes

Investigators say 17-year-old Clay Harding died after attending a party at the home last November. He was known as “C-Bone” and liked skateboarding.

Clay’s mother Patty Harding said Monday that she thinks it’s good for the community that criminal charges were filed so others are aware of dangerous teenage parties.

MORE NEWS: Trap, Tag, Haze: New Efforts To Get Bears To Behave In Tahoe Area

Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.