Santa Rosa police are trying to determine how a 40-year-old man found lying in the roadway died. Last Thursday night, first responders arrived near the intersection of Royal Oak Place and West Steele Lane where there was a man down in the roadway. He had major injuries and paramedics tried to save him but he died at the scene. He’s identified as Jesus Silveira of Santa Rosa. Police were called and investigators are still trying to determine if Silveira was assaulted or struck by a vehicle. Anyone with information or footage should contact Santa Rosa police.