Dzhokhar Tsarnaev

Marathon Bombing Verdict

The government is closer than ever to its ultimate goal: sending Dzhokhar Tsarnaev, now a convicted terrorist, to death row.

His Idea

If the Tsarnaev brothers in fact trained themselves in terror, it would put them in an extremely rare breed of extremists. Al Qaeda expert Richard Barrett explains why.

EMERGING PROFILE

Forget what you know about terrorism. Christopher Dickey on the three surprising factors that contribute to creating deadly terrorists, whether they are from al Qaeda or the IRA.