CNN CNN Newsroom Live November 3, 2015 06:30:00
U.s. spy satellite. the satellite was over the sinai peninsula when flight 9268 went down. the flash may indicate an explosion or onboard fire. or it could just have registered the plane hitting the ground. dr. allen deal is a former ntsb investigator. he's also author of the book "air safety investigators using science to save lives one crash at a time." he's joining us via skype from new mexico. thank you for being with us. let's talk about this heat flash for a moment. how could it have been spotted by a u.s. spy satellite? what would that satellite be up there looking for in the first pl...