Faith Based Places of Worship (FBPOW) are more than places for prayer and reflection. They are often also the central point of the community, the site of faith based educational institutions and a source of a variety of social and welfare services.
DBIEDs or Drone Borne Improvised Explosive devices can turn into real threats. They are small, quiet, almost invisible, and they can, directly and indirectly, cause substantial damage.
Public venues, particularly places where many people gather for some common activity, are becoming a preferred terrorist target. It’s easy to understand why. Each such attack sows fear and horror in many, attracts huge media attention and disrupts normal life.