The Aurora Police Department is investigating a robbery at a marijuana dispensary in southeast Aurora that left a security guard dead.

Police responded to Green Heart Marijuana Dispensary, located at 19005 East Quincy Avenue, at 9:44 p.m. Saturday on reports of a robbery with shots fired.

When they arrived, they found a security guard suffering from multiple gunshot wounds inside the dispensary.

The victim was taken to a hospital where he was pronounced dead.

His identity is not being released at this time.

Aurora Police are looking for two men who are possible suspects.

Investigators from the Major Crimes/Homicide Unit and Crime Scene Investigations Unit responded to the dispensary to take over the investigation.

Police are asking anyone with information to contact Agent Matthew Ingui at 303-739-6067.

Anonymous tips can also be given to Metro Denver Crime Stoppers at 720-913-7867. Tipsters may be eligible for a reward of up to $2,000.