The man accused of trying to run over a  Wyoming Highway Patrol Trooper, changed his plea today in Natrona County District Court.

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The incident happened on Christmas Eve and began as a high speed chase. According to the affidavit, troopers on scene identified a speeding vehicle as stolen and set up spike strips to slow the Chevrolet Blazer-- which was reaching speeds in excess of 90 miles per hour.

When Thomas Clark, the driver of the stolen vehicle, approached the spike strips, he veered off the road- nearly hitting a trooper. According to the affidavit, other troopers on the scene believed that Clark was purposely trying to hit the trooper.

The pursuit ended after Clark drove through a barbed wire fence and became stuck in a creek bed.

In District Court in front of Judge Park, Clark plead guilty to one count of felony aggravated assault and could be facing four to five years behind bars.

He will be sentenced at a later date.