STOCKTON (CBS13) — A former San Joaquin County Sheriff’s deputy now coaching at Delta College is facing allegations that he raped a student athlete while she was unconscious.

The Stockton Police Department says Donald Tisher sexually assaulted an 18-year-old student athlete in her Stockton home. The district attorney says it happened while the woman was unconscious.

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Tisher is listed as a track and field assistant coach on the team’s website.

The school’s human resources director did not return repeated calls with questions about Tisher’s employment status.

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Outside of the home of the former deputy, his stepdaughter says she’s disgusted by the allegations against him and believes they are true.

“F— no—excuse my language—no, no I do not want to defend him in anyway,” she said.

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Tisher was featured in a story CBS13 reported on last year where he was credited with stopping a backyard burglar.