Killing of captives by the Islamic State
Executions by ISIS refers here to killing by beheading, immolation, shooting or other means of military and civilian people (such as captives and "criminals") by the Islamic State of Iraq and the Levant (ISIL). ISIL has released a number of propaganda/publicity videos of beheadings or shootings of captives. Houtat Sulūk is reported to be a mass grave. Military captives. By June 2014, according to United Nations reports, ISIL had killed hundreds of prisoners of war and over 1,000 civilians. Specific incidents involving the killing of military prisoners including the mass killing of  up to 250 Syrian Army soldiers near Tabqa Air base, and killings that took place in Camp Speicher (1,095–1,700 Iraqi soldiers shot and "thousands" more "missing") and the Shaer gas field (200 Syrian soldiers shot). ISIL was reported to have beheaded about 100 foreign fighters as deserters who tried to leave Raqqa. Muath al-Kasasbeh, a Royal Jordanian Air Force pilot whose F-16 fighter aircraft crashed near Raqqa, Syria, on 24 December 2014 during the international military intervention against ISIL, was captured by ISIL, and on 3 February 2015 released a video showing al-Kasasbeh being burned to death while  trapped inside a cage. Civilian captives. Among the known killings of religious and minority group civilians carried out by ISIL are those in the villages and towns of Qiiniyeh (70–90 Yazidis killed), Hardan (60 Yazidis killed), Sinjar (200–500 Yazidis killed), Ramadi Jabal (60–70 Yazidis killed), Dohula (50 Yazidis killed), Khana Sor (100 Yazidis killed), Hardan (250–300 Yazidis killed), al-Shamal (dozens of Yazidis killed), Kocho (400 Yazidis killed and 1,000 abducted), Jadala (14 Yadizis killed)<ref name="OHRCHR/UNAMI"></ref> and Beshir (700 Shia Turkmen killed), and others committed near Mosul (670 Shia inmates of the Badush prison killed), and in Tal  Afar prison, Iraq (205 Yazidis killed for refusing conversion). Journalists. ISIL has tortured and murdered both local and foreign journalists, creating what Reporters Without Borders calls "news blackholes" in areas controlled by ISIL. ISIL fighters have reportedly been given written directions to kill or capture journalists. Aid workers. ISIL has also murdered aid workers.