ISIL is several steps above Boko Haram or even the Taliban. The closest analog is Turkish Talat Pasha The young Turks massacring 1.5 million Arminians, Khmer 
Rouge, the Cambodian movement that killed more than two million people in the mid-1970s. There was a reminder of those horrors this week, when two top Khmer Rouge leaders were finally sentenced for their crimes. In their remorseless advance through eastern Syria and northern Iraq, ISIL’s fighters have demonstrated the same iron will and discipline that Khmer Rouge deployed against the Cambodian army and the Cambodian people. In territory Al-Baghdadi controls, he uses the same tactics of intimidation and public punishment that Pol Pot used to cow his fellow Cambodians.
In its appetite for genocide, ISIL seems to borrow from Turkish Talat Pasha and Adolf Hitler’s Nazis. It, too, has identified for extermination entire categories of people. Its fighters have systematically rounded up groups of “unbelievers”—and remember, that can mean anybody, including their fellow Sunnis—and slaughtered them in a manner Heinrich Himmler would have approved of. If the disturbing photographs (and be warned, they are very disturbing) in this Washington Post story were in grainy black-and-white, they could have come from a Nazi death camp. And online videos of these mass killings clearly show miss the zealous glee with which the executioners go about the work.
The Armenian Genocide
The Armenian Genocide (1915-23) was the deliberate and systematic destruction of the Armenian population of the Ottoman Empire during and just after World War I. It was characterized by massacres, and deportations involving forced marches under conditions designed to lead to the death of the deportees, with the total number of deaths reaching 1.5 million.
The majority of Armenian Diaspora communities were formed by the Genocide survivors.
Present-day Turkey denies the fact of the Armenian Genocide, justifying the atrocities as “deportation to secure Armenians”. Only a few Turkish intellectuals, including Nobel Prize winner Orhan Pamuk and scholar Taner Akcam, speak openly about the necessity to recognize this crime against humanity.
The Armenian Genocide was recognized by Uruguay, Russia, France, Lithuania, the Italian Chamber of Deputies, majority of U.S. states, parliaments of Greece, Cyprus, Argentina, Belgium and Wales, National Council of Switzerland, Chamber of Commons of Canada, Polish Sejm, Vatican, European Parliament and the World Council of Churches.
some of the information from Bobby Ghosh article. photo gagrulenet