Shoko Asahara
Prior to publishing "Malignant Pied Pipers of Our Time" in 2005, Olsson had written scholarly articles on the subject; specifically on Osama bin Laden and Shoko Asahara. These include "A Malignant Pied Piper: Osama bin Laden", which also appeared as Chapter 5 in the book "Jihad and Sacred Vengeance: Psychological Undercurrents of History", and "Shoko Asahara: The malignant pied piper of Japan", which was cited by Rosenman in "The American Journal of Psychoanalysis".