Jackson Police are looking for a man who took medical marijuana from a home on the 700 block of Union Street at about 10:45 p.m. Wednesday.
Police say the man entered a home with a gun and demanded the marijuana.
The victim, 36, was hit in the head; he does not know what was used.
He received a minor injury and did not need to go to the hospital.
An undisclosed amount of pot was taken.
The victim was a registered medical marijuana user.
The suspect is described as a black man, 6'0"-6"2", with a stocky build.
He was wearing dark clothing.
Call police at (517) 768-8701 if you have any information.