ADAMS COUNTY, Colo. (CBS4)– A judge in Adams County has declared a mistrial in the murder of Adams County Sheriff’s Deputy Heath Gumm. The coronavirus pandemic delayed the start of the trial for Dreion Dearing.

Deputy Heath Gumm (credit: Adams County)

Gumm died Jan. 24, 2018 while responding to an assault near 88th Avenue and Washington Street in Thornton.

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Dreion Dearing (credit: CBS)

Dearing has been charged with first-degree murder of a peace officer after deliberation, first-degree felony murder of a peace officer, first-degree murder after deliberation, first-degree felony murder, first-degree burglary, possession of a weapon by a previous offender and third-degree assault.

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The judge in the case entered a not guilty plea on Dearing’s behalf.

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Exactly why the judge declared the mistrial hasn’t been released but jurors did express fear at being exposed to coronavirus while serving on the jury.