Edited sentence: "  He referred to an incident in Hebron when an Israeli Arab citizen was killed by the Al-Aqsa Martyrs' Brigades after being mistaken for a Jew.According to the Israeli Defense Forces, the Iz-Adin Al Qassam Brigades--which threatened in a web bulletin to "knock on the doors of Heaven with the skulls of the Jews"--openly declare they seek the killing of Jews simply for being Jews.Organized motivated violence against Jews by Arabs has been called "Racist terrorism against Jews" by the Jewish Agency for Israel.the exclusive targeting of any Jews and apologizing for killing a non-Jews has been observed by Alan Dershowitz in an article titled "Palestinian racism exposed," wrote about the racism of killing Jews in Israel: "they target every Jew, regardless of his or her individual political views, and they apologize when they accidentally kill a non-Jew (Arab), regardless of his political view