SEOUL - A Korean-American woman who had been investigated by South Korean authorities for making positive comments about North Korea has been deported to the United States, an official in Seoul said on Monday.Shin Eun-mi, a South Korean-born American who came to the South last year as a tourist, has spoken positively of life in North Korea in speeches around the country, as well as in online posts. She also blamed South Korea's news media for encouraging alienation between the people of the rival states."She has been ordered to depart forcibly for violating the immigration control law and the National Security Law," said a Justice Ministry official, who asking not to be identified."She was taken to the (airport) and was expelled, and is barred from re-entry for the next five years," the ministry official said.Shin boarded a plane on Saturday. Yonhap news agency said she landed in Los Angeles on Saturday local time. It said a scuffle broke out at the airport between supporters welcoming her back and opponents.The National Security Law, enacted after the two Koreas were split up at the end of World War Two but before the 1950-53 Korean War, prohibits South Koreans from publicly praising the North Korean regime.It is considered obsolete mostly by liberal critics, who say it is used by conservative governments to stifle political opposition and suppress freedom of speech.Appearing before reporters on Saturday after questioning by immigration authorities, Shin said she was being deported "but my love for my homeland cannot be expelled"."I will be wishing peace and unification for my homeland from afar with the love I have for my compatriots," she said.