The ex-girlfriend of a Delta pilot, who was arrested after landing at San Francisco International Airport on child sex abuse charges, has also been charged in the case that involves her young daughter,

The Contra Costa District Attorney's Office has now charged 45-year-old Jennifer Powell in the case. Powell is the mother of the girl who survived the abuse.

Federal agents and sheriff's deputies stormed the cockpit of a Delta Airlines flight from Minneapolis to San Francisco over the weekend and arrested the co-pilot on child sexual assault charges, authorities said.