Why do mass shooters kill? It's about more than having a grievance
- Written by Arie Kruglanski, Professor of Psychology, University of Maryland
 
A memorial for Joshua Barrick, killed by a shooter at the bank where he worked, April 10, 2023, at Holy Trinity Catholic Church in Louisville, Ky.  AP Photo/Claire GalofaroAn acutely troubling aspect of life in contemporary America is the growing proliferation of mass shootings that claim thousands of innocent lives year after painful year and...





