The Supreme Court has upheld lower courts' three-year prison term for the sister-in-law of football player Hwang Ui-jo on charges of exposing the footballer's private life and blackmail, judicial officials said Wednesday.The top court made the decision last Friday. The woman was convicted of uploading explicit pictures and videos showing Hwang with women on Instagram while presenting herself as a former lover of Hwang in June last year. She was also found guilty of blackmailing Hwang.Hwang himself was indicted without detention in July on charges of illegally filming his sexual encounters with two women. His first trial is scheduled to be held at the Seoul Central District Court on Oct. 16.Source: Yonhap News Agency