Dr. Langman presents his four-pronged model of the factors that contribute to school shootings. This article discusses Evan Ramsey, Kip Kinkel, Eric Harris, Adam Lanza, and Nikolas Cruz. Reprinted with permission from L.W. Collins, T.J. Landrum, and B.G. Cook, eds., Issues Around Violence in Schools, Advances in Learning and Behavioral Disabilities, vol. 33, (Leeds: Emerald Publishing Limited, 2023).

This is a presentation of the Marjory Stoneman Douglas Public Safety Commission, compiled by Special Agents Randy Camp, Chuck Massucci, and John Seuss.

This is a presentation of the Marjory Stoneman Douglas Public Safety Commission, compiled by Pinellas County Sheriff Bob Gualtieri.

This was compiled by the Marjory Stoneman Douglas Public Safety Commission.

This contains a great deal of details regarding Cruz's peer interactions, internet activity, text messages, etc. 

This is a report from the Florida Department of Children and Families on a home visit from 2016.

This document provides a summary of Nikolas Cruz’s educational history and the relevant laws and statutes that guided the district’s process. 

Though many pages are blacked out, this document does contain narratives from first responders. 

This document contains notes and other materials from the Florida Department of Children and Families. 

A chronological list of the calls made to the police regarding the Cruz home.

Rocxanne Deschamps was a neighor of the Cruz family. After Cruz’s mother died, Ms. Deschamps allowed him to live with her for a few weeks. 

This report was produced by Police Foundation and released in August, 2019.

The subtitle of this document is “A National Police Foundation Interim Review of the Impact of Communication Systems and Processes on the Response to the February 14, 2018 Marjory Stoneman Douglas High School Shooting.”