Nehemiah Griego - In 2013, at the age of 15, Griego shot and killed his parents and three siblings. His charges were adjudicated in the juvenile court and he was committed to a juvenile detention facility until the age of 21.
The Virginia Tech massacre was a school shooting that took place on April 16, 2007,on the campus of Virginia Polytechnic Institute & State University in Blacksburg,Virginia, USA. Seung-Hui Cho,a senior at Virginia Tech,shot and killed 32 people & wounded 17 others iNn 2 separate attacks, approx. 2 hours apart,before committing suicide(another 6 people were injured escaping from classroom windows) http://en.wikipedia.org/wiki/Virginia_Tech_massacre
Alexander Pichushkin This vicious and cruel evil minded killer, killed 48 people, most of which were elderly homeless men in Southwest Moscow’s Bitsa Park. He found pleasure in killing and killed in competition with Russia’s most notorious serial killer, Andrei Chikatilo, who was convicted in 1992 of killing 52 children and young women in 12 years.