I never heard that the Virginia Tech shooter was on any prescriptions.
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 wasnt 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/