Sarah Diamond, 30, of Woodstock, (inset) faces up to 10 years in prison after pleading guilty this week to tampering with morphine prescribed to multiple patients at Crystal Pines Rehabilitation and Health Care Center in Crystal Lake in 2021. | Inset Photo: LinkedIn – Background Photo: Google Street View

A Woodstock woman, who worked as the assistant nursing director at a Crystal Lake rehab center, has pleaded guilty to federal charges for tampering with medication prescribed to patients.

A federal indictment was returned in U.S. District Court in Chicago in January 2022 charging Sarah Diamond, 30, of Woodstock.

Prosecutors said Diamond was employed as the Assistant Director of Nursing at a Chicago-area medical rehabilitation center.

According to Diamond’s LinkedIn, she worked at Crystal Pines Rehabilitation and Health Care Center in Crystal Lake starting in June 2021.

Diamond was accused of removing morphine from bottles prescribed to patients in July and August 2021 and replacing it with another liquid, knowing the diluted substance would be dispensed to the patients, according to the indictment.

Prosecutors said Diamond diluted the bottle of morphine intended for one of the patients so that it contained only approximately 26% of the declared amount of morphine.

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She also diluted a bottle of morphine intended for another patient so that it contained only approximately 53% of the declared amount of morphine, prosecutors said.

Diamond then administered liquid morphine shots to the patients using the diluted bottles and withholding the remainder of the pain medication for her own personal use, prosecutors said.

Diamond removed liquid morphine intended for use by at least five patients at the rehabilitation center, each of whom had been prescribed liquid morphine to manage their pain, prosecutors said.

The indictment said that Diamond tampered with the liquid morphine with “reckless disregard” and “extreme indifference” to the risk that the patients would be placed in danger of bodily injury.

The indictment charged Diamond with two counts of tampering with a consumer product.

“Patients deserve to have confidence that they are receiving the legitimately prescribed medication and not a diluted substance,” U.S. Attorney Lausch said early last year.

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“Health care practitioners who illicitly tamper with prescription drugs will be prosecuted to the fullest extent of the law,” Lausch said.

Court records show Diamond pleaded guilty Tuesday to one count of tampering with a consumer product as part of a plea agreement.

She faces a maximum sentence of ten years in federal prison.

A sentencing hearing is scheduled for September 12.