A former Mar Vista High School campus aide arrested earlier this year on allegations of engaging in sex acts with a 17- 17-year-old male student pleaded guilty this week to sex crime charges.

Lisette Veles Ortega, 32, who was an employee of an outside contractor used by the Imperial Beach secondary school, pleaded guilty on Thursday to charges of unlawful sexual intercourse with a minor and oral copulation with a minor, according to the San Diego County District Attorney's Office.

Ortega was arrested in May. At the time she was working at the Imperial Beach school, she was employed by Ro Healthcare, which the company's website states is a medical staffing and home health agency that helps staff nurses at schools, correctional facilities and for private home care.

Ortega's guilty pleas d

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