marian carole rees was 13 when she disappeared from hillsdale in early april 1975 after telling a friend that she had forgotten something and jumped off her school bus .
the teenager often talked of running away from home and had said goodbye to her brother on the morning she disappeared , magistrate sharon freund said in findings handed down on thursday .
marion carole rees -lrb- pictured -rrb- who went missing 40 years ago may still be alive .