. >> andrei lankov is a historian who has studied north korea for decades. >> north korea is a notorious human rights abuser. arguably the world's worst human rights abuser. having said that these resolutions have no impact whatsoever. because they understand: it's official now: if they lose they are not going to be spared. so they are going to fight and they are going to be even more repressive, not less. >> in seoul, kim ji-woo ("kim jee oo") - not her real name - told us she had been arrested and tortured by the north korean security police after she was falsely accused of being a spy. she said she defected in 2013 and that her family is still in north korea. ji-woo told us that when kim jong il died many people had a secret hope his son would bring change but she says it could not be said publicly and they had to fake their grief but she said that hope didn't last long. >> did you ever see something like that? did you see executions? >> there is a small dirty secret. there is very little resistance in an efficient and sufficiently brutal dictatorship state. resistance is possible whe