(Richmond, IN)--A Richmond man was robbed and beaten behind his home Thursday night. Police were called at around 7:30 to the alley behind the 400 block of South 12th. The victim told officers that he was struck in the back of the head by four suspects who then took his wallet. A police canine was able to track the suspects for a short distance but then lost the trail. The victim refused medical treatment. The suspects were described only as black males wearing hoodies. They were still on the loose Friday morning.