let me bring in pete ia inciden. okay. what did he mean by th or group? >> welhey want to know whether there's a connection. they want to know if it's the the al qaeda magazine has run articles about how to build similar devices. they will look at the very microscopic level, how were the wires connected together, that kind of thing. >> tell me what we know about minnesota. is that definitely unconnected? is there some thought there -- >> there's no reason to think they're connected at all. that appears to be a coincidence of timing. nothing similar at all. they will be looking at the man'spa killed. looking at his residence, seeing if he was inspired by isis propaganda. >> going back to new york city, there's probably more cameras there than any city in the world. i assume -- i have to think they may think they might have suspects in mind or persons of interest. >> they have some video. it appears that the device that did go off in new york was dropped into this dumpster outside the buildings there. that's another difference between new york and new jerse