A decade after Eric D. Harris and Dylan B. Klebold fatally gunned down 13 people and wounded 23 others at Columbine High School, researchers are still sifting for answers to questions raised by the elaborate and notorious attack. Books and studies being published to coincide with the 10th anniversary of the April 20, 1999, massacre at the…

Asserting that prevention and intervention efforts to reduce bullying can serve to reduce later criminal behavior and save lives, this report identifies programs that have reduced bullying by as much as half and cut future arrests in half, and urges schools to invest in these programs. Chapter 1 of the report defines bullying and presents…