IRVINE (CBSLA.com) — A parent volunteer was arrested Monday morning for embezzling funds from the Beckman High School Cheer Booster Club, Irvine police detectives said.

Cecilia Zamora, 39, who was arrested at work in Orange, was the club’s treasurer from 2009 to 2011.

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The new treasurer found collection notices for invoices Zamora documented as paid, according to police.

“Detectives believe Zamora wrote checks to herself but indicated they were written to pay bills for the club’s coaching stipends and uniforms.  The checks were written for $2,000 to $3,000 each over her tenure as the club’s treasurer totaling approximately $16,000,” police said in a news release.

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Detectives also found deposits to personal accounts connected to Zamora.

The Tustin Unified School District and school officials are helping with the investigation.

The booster club has since put on fundraisers to supplement the loss.

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Zamora is being held on a $25,000 bail at the Orange County Jail.