Nuclear terrorism poses a grave threat to national security, a fact dramatically demonstrated on 11 September 2001 by Al-Qaeda's attacks against the World Trade Center and the Pentagon. These strikes revealed the vulnerability of Western societies to foreign terrorist threats and underscored the...

Video-recorded decapitations have an enormous impact, they are cheap and easy, and they allow the terrorists to exploit the potential of the Internet. With these advantages, the tactic would have been expected to quickly spread across the globe as a favored tactic. Yet, years after its invention...