Ironic or not, the leaders of ISIS are teaching its members how to kill people.The jihadis were taught how to execute the prisoners. However, the whole lesson was stopped when the “teacher” got killed by a sniper, who waited patiently for the right moment.The incident happened in northern Syria. Special Air Service Regiment shot the ISIS leader in the back of the head. The sniper stopped him from teaching them something horrible, something that no one should put in practice.According to one unknown British military source, the sniper who assassinated the executioner is among the 20 SAS soldiers who managed to enter an area swamped with terrorists.The mission had to be committed with a sniper because it was dangerous to bomb that area. Near the terrorists was a small village and a school. The sniper positioned himself 1,200 meters away from the camp and waited around 12 hours…Watch more below and click in the link!!!