A new Islamic State video has issued a graphic propaganda tutorial to Muslims to murder "disbelievers" in Britain, the U.S. and France. The video - "Taking revenge for the Muslims" - contains ...

While the extent of Islamic State involvement remains an open question, what is known is that Mr. Mateen followed the established ISIS protocol for carrying out an attack in the group's name ...

The Spanish translation follows the same design as the original al-Qaeda tutorial, with the same step-by-step photos for bomb-making that were followed by the Boston Marathon and Chelsea bombers.