was detained there. >> reporter: that's right. barely two weeks. another american professor from the same pyongyang university of science and technology. now, poppy, imagine what it would be like to find out that your husband had just been detained by the north koreans on suspicion of plotting crimes against the state. that is what happened to kim me-yuk. the wife of this naturalized u.s. citizen, agriculture expert teaching techniques to harvest rice in north korea and also evangelical christian pastor. i asked this distressed woman what her message was to north korea right now.