Eric Harris age 17 (first on Zoloft then Luvox) and Dylan Klebold aged 18 (Colombine school shooting in Littleton, Colorado), killed 12 students and 1 teacher, and wounded 23 others, before killing themselves. Klebold's medical records have never been made available to the public.
Jeff Weise, age 16, had been prescribed 60 mg/day of Prozac (three times the average starting dose for adults!) when he shot his grandfather, his grandfather's girlfriend and many fellow students at Red Lake, Minnesota. He then shot himself. 10 dead, 12 wounded.
Cory Baadsgaard, age 16, Wahluke (Washington state) High School, was on Paxil (which caused him to have hallucinations) when he took a rifle to his high school and held 23 classmates hostage. He has no memory of the event.
Chris Fetters, age 13, killed his favorite aunt while taking Prozac.
Christopher Pittman, age 12, murdered both his grandparents while taking Zoloft.