Editing Columbine High School massacre (section)

==== Other theories ====
There have been other attempts to diagnose Harris and Klebold with mental illness. [[Peter F. Langman|Peter Langman]] believes Harris was a psychopath and Klebold was [[schizotypal]].<ref>{{Harvnb|Langman|2009}}</ref> Professor Aubrey Immelman published a [[personality profile]] of Harris, based on journal entries and personal communication, and believes the materials suggested behavior patterns consistent with a "[[malignant narcissism]]...[[pathological]] [[narcissistic personality disorder]] with [[borderline personality disorder|borderline]] and [[Antisocial personality disorder|antisocial]] features, along with some [[paranoia|paranoid]] traits, and unconstrained aggression."{{efn|The report notes that such a profile should not be construed as a direct psychiatric diagnosis, which is based on face-to-face interviews, formal [[psychological testing]], and collection of collateral information.<ref>{{cite web |title=Eric Harris: Personality Profile |first=Aubrey |last=Immelman |date=August 2004 |url=http://www.csbsju.edu/uspp/Criminal-Profiling/Columbine_Eric-Harris-profile.html |publisher=College of Saint Benedict and Saint John's University |archive-url=https://web.archive.org/web/20070911215748/http://www.csbsju.edu/uspp/Criminal-Profiling/Columbine_Eric-Harris-profile.html |archive-date=September 11, 2007}}</ref>}}