The New York Times has reported the killer was on a prescription medication, and authorities have said he was confined briefly several years ago for a mental episode. They also have confirmed that the “prescription drugs” found among his effects related to the treatment of psychological problems.
Dr. Peter Breggin, a prominent critic of psychiatric drugs and founder of the International Center for the Study of Psychiatry and Psychology, said even if Cho wasn’t taking psychiatric drugs the day of the shooting, “he might have been tipped over into violent madness weeks or months earlier by a drug like Prozac, Paxil, or Zoloft.”
Read more at http://www.wnd.com/2007/04/41218/
It’s a self-fulfilling prophesy though. A crazy person takes drugs intended for crazy people.
Coming off the drugs can make you suicidal and if you don’t fear the afterlife, they reason “Why not?”.