CHICAGO -- Authorities believe a teenager accused of abducting two young children in Chicago intended to perform a demonic ritual in order to get a former girlfriend back. Prosecutors said David Rodriguez, 18, and a companion snatched Erika Castillo, 6, and her older brother, Oscar, outside a Little Village library on Friday and planned to carve a pentagram in the girl's chest. Police said Rodriguez made up an errand to get rid of Oscar and took the Erika into his home. "He told me to take a paper to the doctor," Oscar told NBC5. Police said Rodriguez and a friend...