WESTMINSTER, Colo. (CBS4) – Police in Westminster are searching for two suspects wanted in a home invasion, robbery and shooting connected to a medical marijuana grow operation at a home.

Police say about 3 a.m. Tuesday, officers rushed to the residence in the 7400 block of Julian Street. When they arrived they found a 73-year-old male suffering from a gunshot wound.

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The man told officers he was asleep when two males broke into the home and woke him up. The victim is from out of state and was in town for a model train convention, visiting friends, when the home invasion happened.

He told police both suspects were wearing masks at the time of the shooting.

Officers found a large marijuana grow operation at the residence and believe the home invasion is the motive behind the robbery and shooting.

Cheri Spottke with Westminster Police in interviewed by CBS4's Mark Taylor (credit: CBS)

Cheri Spottke with Westminster Police in interviewed by CBS4’s Mark Taylor (credit: CBS)

“These things happen with these marijuana grows, especially in personal homes,” Cheri Spottke with Westminster Police said.

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A large amount of marijuana was stolen.

The victim underwent surgery and is expected to survive his injuries. Police say he had nothing to do with the grow operation and was in the wrong place at the wrong time.

The home where the invasion occurred (credit: CBS)

The home where the invasion occurred (credit: CBS)

Because of recent snowfall investigators are having a hard time in the search for clues and need the public’s help with information.

Police say they are still investigating to see if the home’s medical marijuana grow is completely legal.

Additional Information From The Westminster Police Department

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The Westminster Police Department is asking for the public’s help in identifying who may be responsible for this senseless crime. If anyone has information they are asked to call the Westminster Police Department 303 658 4360 or you can contact Crime Stoppers 720 913 STOP (7867). You can remain anonymous and may be eligible for up to a $2000.00 reward.