His voice, his posture and his threats are menacingly familiar.
The black-clad ISIS militant shown in a video demanding a $200 million ransom to spare the lives of two Japanese citizens looks and sounds similar to the man who has appeared in at least five previous hostage videos.
The knife-wielding masked man with a London accent, nicknamed “Jihadi John,” has issued threats and overseen the beheadings of American and British captives.
