obtained from questionnaire is important and results of in-depth interviews were only partly utilized. As the disappearance is in close connection with those cases of repatriation from China, information obtained from in-depth interviews were used as necessary and adequate. Table 1-5 Survey on Disappearance (Questionnaire and Interview) Classification SocioDemographic Background and Personal Identification Items Surveyed for Disappearance Name, gender, date of birth, date of arrival in South Korea, place of birth/residence/education/type of work and role of witness/marital status/family in North Korea, date of the last defection from North Korea, present conditions of physical and mental health, present address, present family, present employment and etc. Witness or hearsay of disappearance, witness to disappearance by period, frequency of hearsay, victim of Cases of Disappearance disappearance, the organizations or perpetrators responsible for disappearance, when and where of disappearance, process of final disappearance including charges against the victim, response from the family, impact on the family, circumstance of witness and etc. Acts causing disappearance, perpetrator/method of Knowledge of disappearance, knowledge of residents on the disappearance, Disappearance impact on neighbors and their reaction, impact on the family of victim, connection of disappearance to PPC 29