Update: France says there is a connection.
France links beheading, gas plant attack to Islamic State.....
French investigators have uncovered links between Islamic State militants and the man who hung his employer's severed head at a gas plant he was attacking, a prosecutor said Tuesday.
With a long-bladed knife and a gun in hand — as well as two brand new flags emblazoned with the Muslim declaration of faith, Salhi tricked his boss into getting into the van, knocked him unconscious and strangled him, Molins said. About 500 meters (a quarter-mile) before reaching the plant, he decapitated his victim, and then almost immediately sent two photos of the remains to a friend in Syria: One was a selfie, and the other included an image of the severed head placed carefully on the torso.
In a subsequent message, the friend, a Frenchman identified as Sebastien Younes who has been in Syria since November, indicated he was in contact with Islamic State higher-ups about the images.....snip~
France links beheading, gas plant attack to Islamic State