The video showing the killing of Steven Sotloff is a mirror image of that two weeks ago carrying the last words of his colleague James Foley.
Wearing an orange jumpsuit, meant to remind us of the inmates at Guantanamo Bay, Sotloff kneels as he reads out a prepared script denouncing United States foreign policy.
Afterwards, his captor, with the same British accent as Foley's apparent killer, addresses President Barack Obama, saying, "I'm back," and unleashing a further diatribe about American attacks on Isis.
He then begins to cut at Sotloff's neck, before the video fades out. It returns to a gruesome image of Sotloff's corpse, with his head lying on his chest.
The location is slightly different from that in the Foley video, in which tracks and a green valley could be seen. This enabled analysts to identify the location outside Raqqa, a town in Syria controlled by Isis, where it was filmed.The latest video shows a similar, remote desert landscape.