A former Colorado School of Mines professor will go to prison for the deadly DUI crash that killed a Golden police officer last year.

Stephen Geer, 44, plead guilty to charges of vehicular homicide - DUI in the killing of Officer Evan Dunn and vehicular assault DUI for injuries caused to others.

File photo of Stephen Geer in the Jefferson County Courthouse. CBS

Geer's vehicle careened into Dunn and three other people on the side of Highway 58 on a snowy night in early November. Dunn and his partner, Officer Bethany Grusing, were investigating a different car crash.

Golden Police Officer Evan Dunn Golden Police Department

In January Geer is scheduled for a sentencing hearing where he will be given a sentence of between 4 and 18 years in prison.

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