Al-Qaeda will publicly try to justify their actions using religious beliefs, ISIS does not try nearly as hard. I do not know if other Muslims consider ISIS "Tak

Al-Qaeda will publicly try to justify their actions using religious beliefs, ISIS does not try nearly as hard. I do not know if other Muslims consider ISIS "Takfir"[0] though. [0] http://en.wikipedia.org/wiki/Jama%27at_al-Muslimin http://en.wikipedia.org/wiki/Jama%27at_al-Muslimin ...in the Muslim world Takfir is "generally used as a derogatory description for extremists that kill Muslims without sufficient religious justification".