Documents By Type:
Official reports > Specific incidents
Pekka-Eric Auvinen · Jokela High School
Jokela School Shooting Official Report [148 pp, 1.5 Mb]

This document is the official report of the investigation commission of the Finnish Ministry of Justice.

Seung Hui Cho · Virginia Tech
Mass Shootings at Virginia Tech: Report of the Review Panel [260 pp, 17 Mb]

This is the official findings of the review panel from August 2007.

Virginia Tech: Addendum to the Official Report [210 pp, 4 Mb]

This report, released in November 2009, is a revised version of the original report.

Nikolas Cruz · Marjory Stoneman Douglas High School
Recovering and Moving Forward: Lessons Learned and Recommendations Following the Shooting at Marjory Stoneman Douglas High School [99 pp, 1.65 Mb]

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

Regional Public Safety Communications in Broward County [59 pp, 1.92 Mb]

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.”

Valery Fabrikant · Concordia University
Arthurs Report on Fabrikant [84 pp, 1.7 Mb]

Fabrikant had a long history of conflict with the university and this report investigates his complaints.

Cowan Report on Fabrikant [44 pp, 913 Kb]

This report documents the history of Fabrikant's years at Concordia from 1979 to 1992, highlighting his erratic behavior and warning signs of impending violence.

Thomas Hamilton · Dunblane Primary School
Dunblane Official Report [180 pp, 3.6 Mb]

This report is the summary of the public inquiry conducted in the wake of the attack by Thomas Hamilton. The transcript of the court proceedings is also available on this site. The official report provides details on the life of Thomas Hamilton, as well as discussing issues related to firearm access, school security, and other topics. A published, bound copy of the report is available from Scotland, and a version is also available online as an html document. We created this pdf version from the html version and matched the pagination to that of the published report. Thus, any quotation cited from the published report can be located on the same page in this document. 

Transcript of the Public Inquiry [3376 pp, 5.5 Mb]

This document is the transcript of the public inquiry that was held following Thomas Hamilton's attack. Note: the pagination in this document is not reliable.

Eric Harris / Dylan Klebold · Columbine High School
JCSO Official Columbine Report [513 pp, 32 Mb]

This is the final report from the Jefferson County Sheriff's Office regarding the attack at Columbine High School. (Note: The report was published as a website. This is a PDF version of the entire site. As of October 2014, the original site no longer seems to be accessible. We have added bookmarks to this document; we recommend downloading it and using the bookmarks pane in your PDF viewer to navigate. Most of the audio and video links are still functional; clicking on a link will download the audio or video media to your computer.)

The Report of Governor Bill Owens’ Columbine Review Commission [188 pp, 938 Kb]

This is the official report from May 2001 on the attack at Columbine.

Report of the Investigation into the 1997 Directed Report and Related Matters Concerning the Columbine High School Shootings in April 1999 [55 pp, 1.21 Mb]

This report reviews all the known law enforcement contacts relating to Eric Harris and Dylan Klebold prior to their attack. Most of these involved Harris and occurred in 1997 and 1998.

Wanton Violence at Columbine High School [72 pp, 2.27 Mb]

As stated in this document, “This report is an analysis of the fire service and emergency medical service (EMS) operations and the overall response to the assault on Columbine High School at Littleton, Colorado, on April 20, 1999. Incident command, special operations, and mass casualty emergency medical services are featured.” The report was produced by the U.S. Department of Homeland Security.

Steven Kazmierczak · Northern Illinois University
Northern Illinois University Official Report [322 pp, 13.6 Mb]

This is the official report on Steven Kazmierczak, the attack, and the university's response.

Sunghee Kwon · University of South Carolina: 2015
USC Institutional Review [4 pp, 211 Kb]

This brief review was done in the wake of Sunghee Kwon’s attack in 2015 to evaluate the university’s response and recommend improvements.

Adam Lanza · Sandy Hook Elementary School
Appendix to Sandy Hook Official Report [236 pp, 25.31 Mb]

In the initial aftermath of the attack at Sandy Hook, it was reported that Adam Lanza had deleted his computer files. Among other details of the investigation, this document provides information regarding Lanza’s electronic files that investigators were able to recover. In addition, there is a summary of “The Big Book of Granny,” a piece of writing created by Lanza and a peer. The story includes a character who states, “I like hurting people … especially children.” Also, in one “episode,” Granny’s son shoots her in the head; in other words, a son shoots his own mother in the head. This is what Lanza ended up doing in real life.

Sandy Hook Official Report [48 pp, 608 Kb]

This is the official report by the State’s Attorney, Stephen J. Sedensky, III, documenting the investigation of the attack by Adam Lanza.

Shooting at Sandy Hook Elementary School: Report of the Office of the Child Advocate [114 pp, 895 Kb]

This report was released on November 21, 2014. It reviews Lanza’s contacts with medical and mental health professionals and the missed opportunities for intervention.

Jared Loughner · Safeway Supermarket
Using a Systems Approach for Threat Assessment Investigations: A Case Study on Jared Lee Loughner [21 pp, 908 Kb]

This report was published by the Secret Service.

Jared Padgett · Reynolds High School
Patrick Purdy · Cleveland Elementary School [Purdy]
Patrick Purdy Official Report [99 pp, 3.2 Mb]

This document is actually several documents on the case, including a chronology of Patrick Purdy's life, his contacts with the mental health system and the legal system, a psychological analysis, his preparation for the attack and details of the attack itself, and his autopsy. This is the best source of information on Purdy that I have found.

Elliot Rodger · University of California at Santa Barbara
Isla Vista Mass Murder May 23, 2014: Investigative Summary [68 pp, 1.27 Mb]

This is the official report of the Santa Barbara County Sheriff’s Office on the rampage by Elliot Rodger. Though Rodger’s autobiography referred to “concentration camps,” it contained no references to Hitler or the Nazis. This official report documents Rodger’s many online searches related to Hitler, Nazis, Heinrich Himmler, and Joseph Goebbels. It also presents information on Rodger’s childhood, adolescence, education, and mental health treatment.

Matti Saari · Seinajoki University
Kauhajoki School Shooting Official Report [194 pp, 2.2 Mb]

This is the official report on Matti Saari's attack by the Finnish Ministry of Justice.

Charles Whitman · University of Texas
Charles Whitman Official Report [21 pp, 718 Kb]

On 8 September 1966, this official report was made public.

John Zawahri · Santa Monica College