She didn't go into the details, unfortunately. I also doubt she was responsible for making the final call as to whether or not a person is a security risk -- mo

She didn't go into the details, unfortunately. I also doubt she was responsible for making the final call as to whether or not a person is a security risk -- more about allowing higher-up folks to keep their eyes in the right places. I imagine the North Korean spy thing was a trend she had corroborated with higher-ups rather than determined completely on her own.