A homeless man charged with manslaughter in Danbury has entered a plea of not guilty. 46-year old Carlos Enrique Guzman-Lopez also faces an assault charge for the death of a man found by the railroad tracks last month. An investigation was launched June 24th after a man was found lying face down in heavy brush. He was later identified as 60-year-old Ricardo Uruchima. Police say he suffered multiple blunt force trauma strikes to his head and upper body. The man's death was ruled a homicide. Guzman-Lopez is being held on a $1 million bond and has a pre-trial scheduled for October 2nd.