AURORA, Colo. (CBS4) – Police are offering a $4,000 reward for information in a murder that happened on Christmas Eve.

It happened in the parking lot outside the “Rack’em Billards” in Aurora.

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The victim got into a fight with three people and was shot in the back.

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The suspects then ran.

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Detectives want to talk to the people inside a car seen driving past the bar at that time.