to solving definitively this mystery. egyptian authorities from the onset have been downplaying the possibility of terrorism. egyptian president el sisi saying that the isis claim of responsibility is pure propaganda, wolf. >> erin, what's the security situation like at that airport? i assume -- i don't know, you actually flew in there as opposed to driving through sinai, right? >> reporter: yeah. we flew into the airport yesterday from cairo, wolf. we also checked out the airport again today. we didn't see any visible signs of heightened security presence. that was really in line with what the interior ministry was saying yesterday. they were saying they weren't going to increase security at the airports because there was no indications they said that this was an act of terrorism. although today egypt's foreign minister changing that saying that they are going to be increasing security at all airports in egypt. and that's more to reassure people as opposed to being based