Europe The risk of European jihadis coming home: How do you calculate it?

European leaders like David Cameron are seeking new powers to prevent jihadis abroad from returning home and launching attacks. But such measures require a careful balancing act, experts say.

By , Staff writer

Matt Dunham/AP

There are few anxieties in Europe's governments greater than the fear that European jihadis returning from the battlefields in Syria and Iraq could mastermind terrorist attacks at home.