Negotiating through back channels for their freedom. In exchange isis wants the release of a failed suicide bomber in jordanian custody a woman. All this raising serious questions about talking at all with a group that does not just take and kill hostages but also publicly revels in it. Chief National Security correspondent jim sciutto joins us with new information. Whats the latest on this ultimatum . What do we know . Reporter thats right, this was released on an isislinked twitter account which has previously released other hostage videos and audio recordings. This one a recording purputters to be the voice purports to be the voice of the surviving hostage, kenji goto. He presents an odd exchange really and ultimatum saying if by sunset tomorrow mosul time about 9 30 a. M. Eastern time tomorrow if the convicted terrorist held now jordan al rishawi, is not at the Turkish Border then the jordanian pile captured when his f16 went down last month over syria would be killed. Again, the j