i lived in the beirut in the 1980s when cnn's own jeremy levin, abc's charlie glass and the associated press terry anderson'sen hostage. it creates such a drama and trauma for the home country of these hostages. so isis has been brutal in dealing with whether it's the foreign journalists in others, it's taken hostage with the minorities, christian yazidi and others, both in iraq and syria. so this does not come as a surprise. but i think we have crossed a threshold now in how to deal with them. >> and certainly i mean this tape is going to be dissected by intelligence experts to try to determine a location, to certainly determine when the video was shot, which will don't know, to try to determine even the identity of this, of the masked killer. >> sure it's very difficult to find out, as we know, with the case of osama bin laden, how long it took to find him, to identify where he was. these are -- isis is constantly on the move in irya areas in s and iraq. they cross back and forth. i suspect they're nowhere near the place they actually executed james foley. >> also, you know, the technological abilities of