 A few weeks later, De Roos followed up with an interview in Vampirisme.com, in which he proposed Anders Albert Andersson-Edenberg (1834-1913), a senior journalist and drama translator who cooperated with Harald Sohlman within the framework of "Publicistklubben", the Swedish Publicists' Association; he frequently used the pseunonym "A.-E." During the course of 2017, De Roos published around two dozen similarities between "Mörkrets makter" and articles Andersson-Edenberg had previously published in "Svenska Familj Journalen.