and then there is marjorie diehl-armstrong. >> marjorie had a tremendous magnetism. were just drawn to each other. >> reporter: in the 1960s, susan robison and marjorie were students together at erie's academy high school. >> she just walked up to me and said, "hello." and i had the funniest feeling that i had met somebody that was gonna be with me for -- as a friend for a long time. >> reporter: susan also knew "big bill" rothstein, who she says was in and out of marjorie's life for decades. >> i think the first person she dated seriously was bill rothstein. and he worshipped her. well, that's heady stuff. i said, "what was the attraction?" and she said, "there was intellectual compatibility. i really liked that about him 'cause he was so smart." >> reporter: but susan says marjorie started acting strangely, eventually turning to astrology to help guide her life. >> she drew up her astrological charts herself. she'd look at the charts, and they did not serve her well, for the most part. >> there's a pattern, which i saw only years later because the people she was as