machines includes taking swab tests in the airport in place in modern rp airports in jump, in the united states, in some parts of the gulf as well. they are actually very good at detecting the kind of explosive devices that al qaeda in yemen and other groups are trying to develop even when there's a concealed in laptop. >> the emirates, for example, are on this list. >> that's -- >> can you tell us here or what? >> they've got just as motd earn machines as in the united states and europe which are very good, i repeat, very good at detecting these kind of explosive devices. one possibility is there's some concern over training protocols at the airports, there's concern about human error. >> yeah. >> all the machines are knots systematically being used. it should catch just about anything al qaeda or isis could put together right now. it's important to stress that.