She also examined all of the historical records and scientific reports pertaining to the case and transcribed the Hills ' hypnosis sessions with Benjamin Simon for her detailed comparative analysis .
Marden knew Betty well and had spoken with her at great length about the encounter .
Betty also examined all of the historical records and scientific reports pertaining to the case and transcribed the Hills ' hypnosis sessions with Benjamin Simon for Betty 's detailed comparative analysis .
Marden knew Betty well and had spoken with her at great length about the encounter .