CNN Erin Burnett OutFront November 7, 2015 00:33:00
Underwear. in the case of metro jet 9268, u.s. officials suspect a conventional bomb, like this one shown in this test of plastic explosives. officials believe the bomb was placed in the cargo hold of the a-321 along with other luggage. one big question, how would such a device be detonated? jim maxwell was a bomb technician for the fbi. >> switches that turn your refrigerator light on and off is the type of switch that could be used in this type of setting. vapor switches which measure the changes in air density inside a room. or you could use a timer off your watch or your phone. >> reporter...