Walden University ScholarWorks Walden Dissertations and Doctoral Studies Walden Dissertations and Doctoral Studies Collection 2020 Mass Murderers: A Case Study Analysis of Social Media Influence and Copycat Suicide Stephanie Ann McKay Walden University Follow this and additional works at: https://scholarworks.waldenu.edu/dissertations Part of the Social and Behavioral Sciences Commons This Dissertation is brought to you for free and open access by the Walden Dissertations and Doctoral Studies Collection at ScholarWorks. It has been accepted for inclusion in Walden Dissertations and Doctoral Studies by an authorized administrator of ScholarWorks. For more information, please contact
[email protected]. Walden University College of Social and Behavioral Sciences This is to certify that the doctoral dissertation by Stephanie McKay has been found to be complete and satisfactory in all respects, and that any and all revisions required by the review committee have been made. Review Committee Dr. Eric Hickey, Committee Chairperson, Psychology Faculty Dr. Jerrod Brown, Committee Member, Psychology Faculty Dr. Victoria Latifses, University Reviewer, Psychology Faculty Chief Academic Officer and Provost Sue Subocz, Ph.D. Walden University 2020 Abstract Mass Murderers: A Case Study Analysis of Social Media Influence and Copycat Suicide by Stephanie McKay MS, Walden University, 2012 BS, Francis Marion University, 1996 Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy Forensic Psychology Walden University May 2020 Abstract The frequency of mass murder has increased over the past decade, with nearly half of all mass murderers committing suicide. Previous researchers have found imitations of mass murderers which relate to suicide contagion, media contagion, and copycat effects; however, there remains a gap in the literature pertaining to the connection between copycat suicides of mass killers and the influence of social media.