(Alton, IL) — A man shot and killed by police in Madison County could be the same man wanted for questioning in another shooting. Police say an officer shot the armed man at an Alton home Monday evening after he refused to drop his weapon. He was pronounced dead at the scene. Authorities believe the shooting victim could be 27-year-old Isaac Jimenez of Worden. Jimenez was considered a person of interest in the shooting of a woman Sunday in St. Louis County, Missouri.