Police are investigating the death of a baby girl who was found outside an apartment building in Chicago's Uptown neighborhood, about a block from Weiss Memorial Hospital. The death was ruled a homicide after the Cook County Medical Examiner said she died of blunt force trauma to the head. The baby was found about 11:45 on Wednesday night. She was rushed to the hospital and pronounced dead. http://abc7chicago.com/news/abandoned-newborn-left-outside-was-beaten-to-death-me-says/1080698/ Why?