Prison: a breeding ground for radicalisation and violent extremism?

What measures can prison authorities take to detect radicalisation in prison? How should prison staff be selected? How should they be trained to evaluate and manage the risks without abandoning high ethical standards? What role can religious representatives, psychologists, friends and family play?
The appalling images of recent terrorist attacks in Europe and the rest of the world remain in everyone's memory. In the face of such horrendous acts, national governments and international organis...