Video: Walid Shoebat explains "Muruna"

In Islam, there is a term known as "taqiyya." According to the Religion of Peace website, it means that it is ok for a practicing Muslim to lie if it advances the cause of Islam:

These circumstances are typically those that advance the cause Islam - in some cases by gaining the trust of non-believers in order to draw out their vulnerability and defeat them.

However, former PLO member and Muslim Brotherhood activist, Walid Shoebat has uncovered a deeper level of this deception; it is called "Muruna."

Via Shoebat: