Leonid Bershidsky, Columnist

How to Produce Fewer Terrorists in Prison

Some countries are better than others at minimizing prison radicalization.
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It's seems likely that London attacker Khalid Masood was radicalized in prison. It's an all-too-common prerequisite for terrorism, but some countries are better at managing the problem -- and thus minimizing foes -- than others.

QuickTake Lone-Wolf Terrorism