Police are trying to figure out who beat a man and left him in the middle of a downtown street.
A witness found the man in the 100 block of E. Houston St.
Police say he had been beaten and had head injuries and a large laceration on his head.
They say the man wasn't responsive when EMS transported him to SAMMC.
Police say they found a knife next to the victim, but it had no visible signs of blood on it.