[RightWhale]

It's possible the Turks don't monitor each and every person every minute of every day. A terrorist group of global reach could meet secretly in a village on Turk territory. If they were caught they would be in deep doo-doo.

[Pericles]

Calculate the sq kilos of Turkish occupied Northern Cyprus divided by the number of Turkish troops and police and see how small it is. In addition Sudanese "tourists" are a rare sight in Northern Cyprus. The Sudanese Arabs would have stood out like a sore thumb, and just how do you smuggle radioactive material to a heavily militarized island and not be noticed?