The Jordanian jihadist who was also known as the "Shaykh of the slaughterers" was blamed for the deaths of how many during the 2004 Iraq churches attack in 2004?
2004 Iraq churches attacks:  The six attacks killed at least 12 people and wounded at least 71. Abu Musab al-Zarqawi: Abu Musab al-Zarqawi (Arabic: أبو مصعب الزرقاوي‎ ‎ , "’Abū Muṣ‘ab az-Zarqāwī ", "Abu Musab from Zarqa";    ; October 20, 1966 – June 7, 2006), born Ahmad Fadeel al-Nazal al-Khalayleh (أحمد فضيل النزال الخلايلة , "’Aḥmad Faḍīl an-Nazāl al-Ḫalāyla "), was a Jordanian jihadist who ran a paramilitary training camp in Afghanistan.
i don't know