The Committee Urged the sources of such reports to provide it with all information that could help us to undertake our mission. Sixth, the committee is considering with a great attention all possible scenarios for the cause of the accident. So the media report that official referenced says the noise heard on that cockpit recording is the sound of an explosion and that explosion is not from an accident. The report also said the recordings reveal there was no sign of mechanical malfunction. This as isis is doubling down on its claims of responsibility in a new propaganda video. And egypts foreign minister is saying the International Community did not heed egypts call to seriously deal with terrorism. So were also learning that this is not the first time a passenger jet has been threatened in those skies. In august, a Thompson Airlines plane narrowly avoided a missile when heading into Sharm El Sheikh. And today, the department of Homeland Security says it will tighten security for u. S. Bound flights in several international cities, including cairo, amman, and kuwait. Lets get to our full coverage now of this story. Nic robertson is in st. Petersburg, russia. And nema is in Sharm El Sheikh, egypt. We just heard the head of the Investigative Team say, all scenarios are still on the table. Were talking a weak nek now, a really they said the same thing. So where does this investigation go . Well, the new information that people will be jumping on is that sound that they say the recorder got in the last second. And that is something that they are unwilling, for obvious reasons, to speculate on. But it has been the focal point of a lot of speculation, including that france ii report. Our cnn affiliates report this was the sound of an explosion. Thats what theyre hearing from their sources. As you said, it doesnt feel like weve moved that much further along. And theres a reason for that. They say investigators havent been able to access that site for the last three days, since wednesday, they say, bad weather has been hampering this investigation. What theyre hoping to do is to get this plane to move all of the various parts to cairo, to a neutral and sterile environment, to be able to really try and take it apart there. I think what was really heartbreaking, when we were listening into that press conference is even though the lead investigator was trying very hard to use very, very measured language, for the families of the victims in this, to hear that the blasts or whatever this was, that broke this plane apart, was able to throw debris for 30 kilometers, thats going to be a very difficult image for them, fredricka. All right. Thank you so much. So Nic Robertson in st. Petersburg. The russians have stopped all flights into egypt, similar to other countrys airlines. So officially, the investigation is inconclusive, but we know the uk and u. S. Have shared intelligence with the russians. But to what extent is russia assisting in this investigation or perhaps even, you know, deflecting some of the information coming out of it . The russians were promised by the egyptians that they would have a broad role in the investigation. 58 people, according to the egyptians, are involved in the investigation. Seven of them, were told, russians. The russian president , vladimir putin, talked again overnight last night with the egyptian president , president cici. They discussed the safety and security of all those russian, those russian holiday makers that are now sort of left stranded, if you will, in egypt. Mostly, theres an estimated 78,000. Now mostly in holiday destination Sharm El Sheikh. The russian president concerned for their safety, but also discussing with president cici that hopefully, they say, that they can get back to getting regular flights coming and going between the two countries. But its far from regular right now. Were told that nine flights of russians came back from hugana and four from Sharm El Sheikh, but none were able to take their cargo luggage with them, their bags in the cargo hold. They were only allowed a few personal things, things like baby food or medication. 44 flights were scheduled today to go to egypt and bring back russians. It seems, so far, only a fraction of those flights have returned here. So it does seem that it will take quite a bit more time before all the russian tourists, at least, can get back home. Fredricka . Thats a huge number, 79,000 from your reporting on russians in egypt. Thats pretty big. All right, Nic Robertson, thank you so much. So lets get more analysis now. Joining us from new york, cnn contributor, michael weiss, the coauthor of isis inside the army of terror. So, michael, good to see you,. Egyptians didnt necessarily say it was a bomb this morning, but other investigators as well as the u. S. And uk believe that there has been some sort of explosion. So what does this tell you . If, indeed, isis, which insists some responsibility, what does it tell you about the seriousness of the isis threat or reach if, indeed, that group is responsible . Well, i think the most alarming aspect so far, and again, this is assuming that this was, in fact, a bomb. I think its quite right to stress that the investigation is still underway. The most alarming aspect to me is that it will have been done with an insider. Somebody in the Security Services of Sharm El Sheikh airport or perhaps even within the egyptian government. This could be somebody what was bribed by the isis affiliate in the peninsula or somebody who is ideologically on side with isis. And their grim apocalyptic vision. And this is deeply concerning, because egypt is in the midst of this National Security crisis. I mean, in the peninsula, youve got this very sophisticated, i mean, ive been calling them it will farm team of isis, and i think i regret that now. Its a bit too flip. In july, these guys waged a pretty dramatic attack on 15 separate checkpoints, simultaneously. They killed about two dozen egyptian Security Services members or personnel. They were using antitank missiles, such as the russianmade antitank missile. And the egyptians said, we have to fight them like theyre conventional military. This mirrors very closely the way isis in syria and iraq have comported themselves. Fighting not so much as a guerilla insurgency, but almost as a quasimilitary force. If you talk about these 15 checkpoints, thats pretty significant, but probably most outside egypt of that region didnt know anything about that. So is there a feeling that the incidentsy rate involving isis in egypt has been underreported or perhaps even underestimated . Well, i mean, look, egypt has suffered from, you know, islamist terrorism for the last several decades. This is not terribly new. There have been cases, in fact, of Egyptian Army soldiers or officers defecting, and essentially going over to the other side, either al qaeda or some offshoot. But i think what worries me the most, apart from, as i mentioned before, that theres people on the inside of the government who might be working with isis is that this is really a new debut for isis. This is exactly what they wanted to perpetrate, right . Its not just about emigration to the kacaliphate and expandin its about these spectacular attacks. The symbolism that comes with egypt. The most populous countries absolutely, one of the hashinger states of the middle east. So theyre all over the place now. Theyve got branches or franchises in yemen, in libya, and i think now this is going to put the focus back on egypt. And its making will ed sinai to come into its own. This prior branch has been loyal to al qaeda. And there is a cold and a hot war taking place within the ranks of international jihadism. Isis is competing with its former patron, al qaeda. And its competing exactly in this manner. How many crusaders infidels can we kill . And what kind of an impact can we have on the west and its Government Security forces. Very complex. And until talking to you, i think very few of us realized how complex, indeed, it is. Michael weiss, thank you so much for breaking it down for us. See you again soon. Appreciate it. When we come back, well have more on the crash investigation, plus how it can affect the u. S. Led coalition fight against isis. Well ask former u. S. Assistant secretary of state, jamie ruben, next. Little did we know, but life was inviting us all this time. To step into the great unknown. In a place where riches. Were measured in footsteps. Flavors and friends. We tasted cuisine wed only heard about and for the first time. Felt like locals. Call it magic. We called it ours. Mazatlan. Live it to believe it. Big day . Ah, the usual. Moved some new cars. Hauled a bunch of steel. Kept the supermarket shelves stocked. Made sure everyone got their latest gadgets. Whats up for the next shift . Ah, nothing much. Just keeping the lights on. laugh nice. Doing the big things that move an economy. See you tomorrow, mac. See you tomorrow, sam. Just another day at norfolk southern. Russian, egyptian, and u. S. Vergs are all working furiously to determine what caused that deadly crash of that russian metrojet in sinai, egypt. Today the officials said the flight data recorder revealed a noise in the seconds before the crash. Theyre looking at a potential scenarios, including the possibility that an isis bomb exploded on the plane. President obama says that could very well be the case and a u. S. Official tells cnn the signs are increasingly pointing to isis as the culprit. Joining us now from london, former assistant secretary of state, jamie ruben. Good to you see this to be with you. Given your experience in the state department, take us into the white house. The meetings between the president , secretary kerry, members of National Security. Their discussions now about, wait a minute. If, indeed, were going to commit our 50 special ops forces to syria and stir the nest there, so to speak, the beehive, so to speak, will what has just happened to this russian jetliner potentially happen to a u. S. Interest . Because isis is blaming russians participation in syria as to why they would take down this plane . Whats that conversation like now in the white house as to how the u. S. Moves forward in its potential assault against isis . Well, i think youre asking exactly the right question, because i think there are going to be two views. Remember, we are now conducting an air campaign, a significant bamming of almost dozens and dozens of countries, every day are launching air strikes against isis. We are effectively at war this organization and have been for over a year. And the reason we are is not just because theyve taken over a portion of syria and iraq and we have interests in the middle east, the reason is because theyre a terrorist organization. And up until now, weve been in a sense, fortunate, that isis has not had the intent to launch attacks against the west. Because their capability is far, far greater than any terrorist organization weve faced before. Remember, even al qaeda didnt have tens of thousands of brutal fighters willing to do things like burn jordanian soldiers alive, rape women, cut off peoples heads. And they have an actual location, almost a country in which terrorist acts can be planned, can be organized, terrorists can be trained. After 9 11, when al qaeda did that from afghanistan, our country, the united states, and our friends in europe, they said wed never let that happen again, never let a Global Terrorist Organization have the freedom to do that. Well, so far, we thought, or it looks like the government thought that isis was focused on syria in iraq, on building this caliphate and protecting it. But if this signals a change in isis intent, than this is a big wakeup call for the white house, for all the investigative agencies, and frankly, for all the governments in the west, because now we have people who have passports. Remember, al qaeda had to come in with visas and student visas and hide their presence. But tens of thousands of these people have passports to europe and the united states. So if their goals have changed, this is going to be a very, very dangerous development, indeed. So you said a couple of things there, a lot of things of interest, but one in particular, where you talk about isis taking over a country. Youre talking about syria. You just heard from author michael weiss, who was just with us, who talked about an isis branch that was once loyal to al qaeda, who has now essentially taken over that entire territory in egypt, where this claim of responsibility may be originating. So now, what is your worry about egypt . Because egypt has been that stabilizing force. And if now egypt is being taken over a territory, being taken over by this terrorist group, or being targeted in a very large way, how influential is that now . What kind of tone is that setting for the entire middle east . Well, remember, hosni mubarak, the previous leader of egypt that we worked closely, was one of the strongest counterterrorism fighters we had. He kept track of islamic extremists, put many of them in jail. He was always focusing his Security Services on that risk. When egypt had its democratic change, had the Tahrir Square demonstrations, the focus of egypts leaders changed. And they didnt have the wherewithal and the extreme focus on fighting terrorist organizations. Thats how this organization in the sinai grew, because nobody was minding the store. If thats changed now be made of Saddam Hussein and moammar gadhafi, that they, too, were able to keep counterterrorism groups at bay or at least strangulate them to a certain degree. Theyre no longer there, and now look at what has happened. Do you see a correlation there, directly . Well, theres no question that our invasion of iraq let loose some terrible, terrible consequences. And one of them is that unlike the claims of Vice President cheney all those years ago that iraq was a terrorist nation, now it really is. Now there really is an isis located in a third of iraq and some third of syria and they have tens of thousands of dedicated fighters, willing to kill and die for their cause. So terrorism has been let loose in iraq and syria, in egypt assias well. The question has always been, whats their target . Are they focused on their local problems . Are they focused on building the caliphate, protecting its borders, collecting money, dealing with all these slaves weve heard about, where women are brought in, or are they fighting the west . Are they going to launch jihad against us . And if thats whats happening now, thats a major worry. Right. And when you talk about the mobility, the passports, the influence now, is it even possible that the u. S. Can make a dent . Can help contain what is a growing problem . Is the u. S. Involvement the answer . Well, somebodys going to have to do something here. If, indeed, were seeing what it looks like were seeing, namely a change of goals of isis and these tens of thousands of extremists are now going to be looking towards targets in the west, were all going to have to get together and come up with a much, much better plan, having a few special forces and a few bombing raids is not going to protect us. Remember, after 9 11, we said wed never let this happen again. Wed never let a place be used to train and plan for global terrorism. And that now looks like its going on, in egypt, in iraq, in syria, and its much, much more dangerous than people are letting on. All right. Jamie ruben, always good to see you. Thank you so much for joining us. Youre welcome. Another story that we are following right here in the u. S. , a 6yearold child killed, shot several times by police during a car chase with his father behind the wheel. Now the two officers are under arrest and facing serious charges. That is next. 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