Question: On February 12, 2015, the Islamic State of Iraq and the Levant (ISIL) released a report in which online magazine used by the Islamic State of Iraq and the Levant (ISIL) for islam and recruitment, showing photos of 21 Egyptian Coptic Christian construction workers who that they had kidnapped in the city of Sirte, Libya, and whom they threatened to kill?
Sentence (from "2015 kidnapping and beheading of Copts in Libya"): On February 12, 2015, the Islamic State of Iraq and the Levant (ISIL) released a report in their online magazine "Dabiq" showing photos of 21 Egyptian Coptic Christian construction workers who that they had kidnapped in the city of Sirte, Libya, and whom they threatened to kill to "avenge the [alleged] kidnapping of Muslim women by the Egyptian Coptic Church".
Relevant evidence: Yes