Cho Hyun-ah, former Korean Air Lines vice president, bows before the media at an immigration office in Seoul, South Korea, on May 24, 2018. Cho Hyun-ah was questioned by the immigration office Thursday over fresh allegations that she illegally hired housekeepers from the Philippines. (Xinhua/Lee Sang-ho)

Cho Hyun-ah, former Korean Air Lines vice president, bows before the media at an immigration office in Seoul, South Korea, on May 24, 2018. Cho Hyun-ah was questioned by the immigration office Thursday over fresh allegations that she illegally hired housekeepers from the Philippines. (Xinhua/Lee Sang-ho)

Cho Hyun-ah, former Korean Air Lines vice president, bows before the media at an immigration office in Seoul, South Korea, on May 24, 2018. Cho Hyun-ah was questioned by the immigration office Thursday over fresh allegations that she illegally hired housekeepers from the Philippines. (Xinhua/Lee Sang-ho)

Cho Hyun-ah, former Korean Air Lines vice president, bows before the media at an immigration office in Seoul, South Korea, on May 24, 2018. Cho Hyun-ah was questioned by the immigration office Thursday over fresh allegations that she illegally hired housekeepers from the Philippines. (Xinhua/Lee Sang-ho)

Cho Hyun-ah, former Korean Air Lines vice president, bows before the media at an immigration office in Seoul, South Korea, on May 24, 2018. Cho Hyun-ah was questioned by the immigration office Thursday over fresh allegations that she illegally hired housekeepers from the Philippines. (Xinhua/Lee Sang-ho)