korea. >> how often do you come here to your daughter's room? >> reporter: every day i come home from work and i go to her room to see if anything has changed, she says. if she's come home. mun's parents haven't heard from her in four years. they still keep her university uniforms pressed and ready just in case. >> reporter: i strongly believe you were deceived into going down there, i trust you, she tells her daughter. your parents will be here waiting for you until the end of our lives. will ripley, cnn, pyongyang, north korea. firefighters in northern california had a brush fire of five acres about two hechtares on their hands monday. >> the fast-moving fire was in martinez, california. this is at the edge of a regional park there. . at one point construction crews