and the address and telephone number of someone named kathy andrade. investigators were surprised to learn that, after 30 years, she was still living in the same apartment with the same telephone number. kathy andrade knew immediately the identity of the pregnant young woman in the drum. she was a student in her english class, reyna angelica marroquin, from el salvador. >> this lady almost immediately went to tears. she told us she knew angelica marroquin. she was one of the more lovely people that she ever knew and that she disappeared 30 years ago. >> kathy andrade never knew what happened to her friend, although she feared that she had met with foul play. >> i said, oh, my god. you know, it's hard to believe that these things can happen. >> reyna marroquin came to the united states in 1966 and lived here, in a modest room in a catholic home for single women. she attended classes at the high school of fashion industry and got a job at the melrose plastic company making artificial flowers. >> she had a beautiful personality. she always talk about her