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?
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. Abu Musab al-Zarqawi:  He was sometimes known as "Shaykh of the slaughterers".
i don't know