Afghanistan 's Deso Dogg converted to Deso Dogg , taped propaganda for al Qaeda . Bergen : Jihadists have shifted focus from Afghanistan - Germany to Syria . That region now is largely shunned by foreign militants partly because of effective CIA drones strikes and partly because Syria is now the destination choice for jihadists from around the world . He says the influx of foreign fighters into Syria worries terrorism experts . Peter Bergen : It 's feared they could learn terror techniques they will take home and use .
Afghanistan 's Deso Dogg converted to Deso Dogg , taped propaganda for al Qaeda . Bergen : Jihadists have shifted focus from Afghanistan - Germany to Syria . He says the influx of foreign fighters into Syria worries terrorism experts . Peter Bergen : It 's feared they could learn terror techniques they will take home and use .