WELD COUNTY, Colo. (CBS4)– A former Ault police officer accused in a deadly road rage crash has pleaded not guilty.

Blair Jackson is accused in the case. The crash happened on June 1 on Highway 85 between Platteville and Gilcrest.

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Esteban Moreno Jr., 39, of Evans died.

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Blair Jackson (credit: CBS)

Blair Jackson in court on Monday (credit: CBS)

Investigators say Jackson and Moreno were speeding and tailgating each other. They say at one point Jackson cut the other car off, causing Moreno to lose control and crash.

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Jackson was off-duty and on his way from work at the time.