Amanda Riley drew people in with a story. She presented herself as a young woman and mother of two battling an aggressive blood cancer, Hodgkin’s lymphoma — who, despite her devastating ...

There is an astonishing clip in the first episode of the ABC docuseries “Scamanda” when a 2015 video is played on screen. In it, a young mother, her eyes glinting with the beginnings of tears, says, “I’ll never forget the doctor’s words: Your cancer’s back,