Ibrahim, Religion or no religion-good people will do good and evil people will do evil. But under the forece of religion, good people comit evil. This is the case with terrorists who kill people in the name of Islam. Please refer to the following verse numbers of Quran:3:151,8:60,8:12,2:191,2:193,3:28,4:48,4:84,4:141;5:33;8:70;8:65,9:5.9:14,9:23,9:28,9:73,9:111,9:123. 3:151 is Surah 3 and ayat 151 of Quran and so on.