August 2004 and the Macedonian government confirmed their execution by October 21, 2004; receipt of videos depicting two beheadings were announced, but not broadcast, on al-Jazeera TV on October 17, 2004. Ronald Schulz, American contract electrician, killed around December 8, 2005. Other activities The Islamic Army in Iraq claimed responsibility for the 1 September 2004, assassination attempt against Iraqi politician Ahmed Chalabi, leader of the Iraqi National Congress, in which two of his bodyguards were killed, two were wounded and two went missing (the IAI admitted capturing one of Chalabi's bodyguards and executing the other), and Chalabi escaped unharmed. On 22 April 2005, the IAI released a video of their members killing a Bulgarian civilian contractor, who survived after the downing of his helicopter. He was helped to his feet and then shot with 27 rounds of ammunition. The group also claims to have shot down a commercial airliner in Iraq, although officials maintain the accident was caused by fog. The crash killed 34 people. In 2006, videos were released of their snipers killing coalition forces. The nom de guerre of the IAI sniper(s) is "Juba". These sniper videos were distributed for free to Iraqi citizens on CDs as part of a propaganda, recruiting campaign and as a means of waging psychological warfare on coalition forces. Islamic Army videos of attacks on US-led coalition forces were aired on the al-Zawraa TV channel, which is now banned in Iraq. As of 2011 the group's content was distributed online by the Jihad Media Battalion (subtitled in English) and the Media Division of the Islamic Army in Iraq (subtitled in Arabic). These groups were considered distinct from al-Qaeda and the linked groups As-Sahab, Ansar Al-Mujahideen, and al-Fida Islamic Network and also distinct from GIMF, Islamic Media Center, and the media center of the Islamic Jihad Army. War with al-Qaeda in Iraq In early 2007, the Islamic Army engaged in an armed conflict against Al-Qaeda in Iraq. In June, this ended in a ceasefire between the two rival groups. The IAI was quoted saying "The most important thing is that it's our common duty to fight the Americans;" nevertheless, the groups never adopted al-Qaeda's philosophy and refused to sign on to the al-Qaeda-led Islamic State of Iraq. According to Iraqi sources, fighters from the Islamic Army battled Al-Qaeda gunmen around Samarra at least twice in October and November 2007, a possible indication that the