Jacob Siegel, Islamic Extremists Now Crucifying People in Syria—and Tweeting Out the Pictures, in The Daily Beast, 30 aprile 2014. URL consultato il 14 luglio 2014.
«CORRECTION: This story misidentified the origin of a tweet and attributed it to an ISIS member when it actually came from Aymenn Jawad Al-Tamimi, a student of Oxford University who has no affiliation with ISIS. We regret the error.»
