compiled. >> so even though we may be having trouble shutting down isis propaganda clapper did talk about isis overseas and it's reign as caliphate. and isis said it's running into a lot of problems running its own government in part due to coalition air strikes according to clapper. back to you. >> a complicated situation. he also said he has active cases involving radicalization of isis in all 50 states right now. so coming up in the next hour pamela brown will have an interview with outgoing attorney general eric holder. canadian authorities investigating the whereabouts of six missing teenagers. investigators believe they recently travelled to turkey with the ultimate goal of joining isis. cnn's paula newton joins us more from ottawa. what do we know paula? >> well alisyn we know that these families alerted authorities, the investigation was open but the trail has gone cold somewhere in turkey. authorities have no way of knowing if these essentially