What conversations ?????

Very very disappointed by these "conversations" with killers! Indeed, instead of conversation, we just prepare and journalist's state of mind before the said interviews ... The beginning of the book is "interesting" (pardon the word) but soon gives way to conversations (without interest) with an "agent" of serial killers and a fan, former girlfiend of a serial killer, loooongues descriptions of places "cults" such as Sing Sing prison ... Some passages are " instructive "(yet PARDON!) but the choice of other cases clearly unsatisfactory, especially that of a" Vampyre "cartoon kind of lobotomized Gothic ... Very very disappointed with this work that appears more like the" under -text "explained his documentary on serial killers, documentary I have not seen ...