What religion, what culture can spawn an ax murder of a child?

Cleared for publication: Bat Ayin terrorist arrested
West Bank resident, 26, admits to attacking and killing 13-year-old boy at Gush Etzion settlement in early April, says he carried out attack for religious reasons, wanted to die as a 'shahid'. Victim's brother: It's a shame murderer is still alive
The terrorist who murdered 13-year-old Shlomo Nativ at the Gush Etzion settlement of Bat Ayin was arrested two weeks ago by the Shin Bet, the Israel Defense Forces and the Border Guard, it was cleared for publication Sunday.
Nativ was murdered in the attack after being hit with an axe by a terrorist who infiltrated the community, and a seven-year-old boy was lightly injured. Following the attack, the IDF launched an extensive search in the area and asked all residents to remain in their homes.
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Sadly, the Gush Etzion area was the scene of a famous massacre in 1948.
http://www.answers.com/topic/kfar-etzion-massacre
The Israeli histories of the Kfar Etzion massacre (such as Levi, 1986, Isseroff, 2005) note that the defenders had put out the white flag and lined up to surrender in front of the school building of the German monastery. There were 133 people there. After they were photographed by a man in a kaffiyeh, an armored car apparently belonging to the Jordanian legion opened fire with its machine gun, and then Arab irregulars joined in. A group of defenders managed to crawl into the cellar of the monastery, where they defended themselves until a large number of grenades were thrown into the cellar. The building was then blown up and collapsed on them. According to this reckoning, about 129 persons were murdered.Only three of the remaining Kfar Etzion residents and one Palmach member survived.