Detailed text transcripts for TV channel - KGO - 20140821:09:02:00
About the identity of the hooded executioner of jim foley. using a data base of known jihadists to look for a match with his eyes, his hands, and most telling his voice, with what british authorities call a distinct london accent. >> you have gone far out of your way -- >> from what we see it looks like it is a british citizen, that is deeply shocking. >> reporter: in the last year, hundreds of foreign fighters, from western europe and the u.s. have joined isis. as it has conducted a well-financed holy war. now increasingly threatening to target the u.s. a former french hostage, nicolas henin,...