ABC News: Health: Deadly Teen Pairs Haunt Columbine, Beltway, Boston

Deadly Teen Pairs Haunt Columbine, Beltway, Boston

Dylan Klebold, Lee Malvo and Dzhokhar Tsarnaev all might be seen as more passive teenagers who were attached to more assertive mentors whose actions h...

Source: http://feeds.abcnews.com/c/35229/f/654831/s/2b0e56a6/l/0Labcnews0Bgo0N0CHealth0Cboston0Emarathon0Ebomb0Esuspect0Edzhokhar0Etsarnaevs0Eteen0Ebrain0Cstory0Did0F190A19227/story01.htm