Professor of Psychology

Published: 4 April 2020| Version 1 | DOI: 10.17632/ydprxg57tf.1
Paul Vitz


Hypothesis: Mass school shooters will show little or no positive psychosocial characteristics. Hypothesis confirmed strongly by data. Data based on systematic search of available biographical information on each of 20 mass school shooters. Many negative psychosocial characteristics were observed, e.g., depression, obsession with violence, family disruption.