AURORA, Colo. (CBS4) – Investigators from the Aurora Police Department are looking for information after a man was fatally shot in the early morning hours Sunday. APD officers responded to East Colfax Avenue and North Beeler Street at 1:45 a.m. and found a man lying on the ground.

The 31-year-old was transported to a hospital but passed away.

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The man has not been identified. Neither has any suspect.

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What led up to the shooting is also unknown, per investigators.

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Witnesses or people with information about the incident can contact investigators anonymously. APD’s Homicide Unit can be reached at (303) 739-6077. A $2,000 reward for information leading to a conviction is also being offered by Metro Denver Crime Stoppers, (720) 913-STOP (7867).