Mom who provided drugs to Cathedral Catholic students pleads guilty

SAN DIEGO (KGTV) -- The mother of a Cathedral Catholic High School student who sold prescription drugs to minors and marijuana to teenagers pleaded guilty Wednesday.

Kimberly Dawn Quach, 49, pleaded guilty to the felony charges, including furnishing Xanax to a minor. Quach now faces between eight and 11 years, eight months in prison.

Quach’s live-in companion, William Sipperley III, 50, also pleaded guilty to using a minor to transport marijuana and furnishing to a minor over 14-years-old.

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Quach was arrested in 2017 after police said she sold or offered suboxone, an opiate, and Xanax to minors starting in January of 2017.

Police also say that Quach gave at least 10 teenagers marijuana to sell, package or transport. Cathedral Catholic students regularly smoked marijuana Sipperley grew at the couples Carmel Valley home.

One detective said Quach had as many as 70 teenage clients at the Catholic school and at other schools.

During a search of her home, police found large containers of marijuana, plant food, grow lights and drug paraphernalia. Quach is scheduled to be sentenced on August 24.

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