When personality disorders explode In this video, Seung-Hui Cho, a student at Virginia Tech, described the slights he experienced throughout his life. After mailing the video to NBC News, he proceeded, on April 16, 2007, to kill 32 people, including himself, and to wound 25 others in a massive campus shooting. Most clinical observers agree that he displayed a combination of features from the antisocial, borderline, paranoid, schizoid, schizotypal, and narcissistic personality disorders, including boundless fury and hatred, extreme social withdrawal, persistent distrust, strange thinking, intimidating behavior and arrogance, and disregard for others.