Moments. Key moments of the Malaysia Airlines flight 370, missing now for more than ten days. There are new questions about a crucial period when the plane was crossing between malaysian and Vietnamese Air space. Earlier, malaysian authorities said a Communications System was shut down before the verbal message from the cockpit saying, all right, good night. Now they say theyre not sure exactly when the system was shut off. Malaysian Officials Say they cannot confirm the malaysian newspaper report the plane may have dropped below 5,000 feet. The report is from the new straits times. Aviation experts say thats not low enough to evade radar detection. Indias military now says radar near the andaman and in this case owe bar islands is not as closely watch closely watched as other areas, raising the popularity it might not have been picked up if it flew through that area. Were talking about a 15minute period when the plane was crossing into sVietnamese Air space from Malaysian Air space, also the time period when two, repeat two Communications Systems stopped working. Lets bring in our aviation correspondent, richard quest, working the story for us. So what do we know, richard, about this sequence of events during these critical few moments . Wolf, im pleased you said stopped working, because that seems to be crucial. And we dont know why. Whether we cant make the leap to say switched off, disabled. We just know stopped working. So monday, lets go through what we actually know. We know that at 12 41, the plane, mh 370, departs from kuala lumpur, a sixhour flight to beijing. That much we know. We know at 1 07, there is the last transmission from the planes automatic reporting system. We know this, because its been told to us by the ceo of the airline, and its been in the news conferences. Then 1 19, last verbal communication. This is a significant one, wolf. This is where the co pilot, we know its the co pilot. Thats been confirmed at a news conference. The co pilot says, all right, good night. And thats the last verbal communication. Go to another press conference during the week. We know 1 21, the transponder. This is the bit that sends the signal out that the name of the plane, the altitude, the direction, the speed, we know that stops working. So these are facts that we know on the time line. Then move forward. Civilian radar has already confirmed they lost contact with the plane at 1 30. Now this is when it gets more tricky, wolf. Bear with me. 1 07, we had that acars reference. 1 37, the next acars message should have been sent from the plane. But it wasnt. So sometime in that period, either it was disabled or it failed. But we know between 1 07 and 1 37, they were the key times. Finally, 2 15. We get military radar, last detects the plane. And 8 11, the satellite makes its last socalled handshake. Now, wolf, pull all this together. And what we come back to is a very fine line, a very defined area where between 1 07, 1 19, 1 21, 1 37, the incident was taking place, wolf. So this these are critical moments, as you correctly point out. Two systems stopped working during that same rough period, the handover, between the malaysian and Vietnamese Air space, that handover was taking place. So would that be an optimal time for someone to do something wrong in this particular place . Absolutely. And it seems to be i mean, the conspiracy theorists say that is exactly the point upon which you would do it. Lets go back if we can to the previous page on this time line. Keep here we are, exactly the page. So the previous one. The one that the exact page of the first shows exactly where. 1 37, next acars transmission. This is the key bit that we dont fully understand. Why did this transmission not take place. Was it because it had been disabled, was it because it was not working. Wolf, that is the answer that we are looking for at the moment. And if you look at the map, you can see exactly just how wide this search area has now become. Remembering where we are over here, wolf. Weve left over here, heading up this way. But the incident happens, the plane turns around, and then you end up with this vast arc where theyre continuing to search. More than two dozen nations are now involved, ships, planes, and the focus of attention, wolf, firstly appear over these countries. But deep, deep, deep into the south indian ocean, where australia, it was announced today, australia is now taking the privacy. Australians have good Technological Capabilities over there. Stand by, richard, were going to get back to you. The little data that is available on flight 370 is being fed into the boeing 777 simulators to see what can be learned about the planes possible flight path and location. Our own Martin Savidge has been doing that on a Flight Simulator just outside toronto. Also joining from us new orleans is james bern zony, former Deputy Director of the cias Counter Intelligence center. Martin, lets start with you. The revised time line suggests the socalled acars system made its final transmission after the cockpit signed off with Malaysian Air control. So does that lend more credence to a potential mechanical failure as opposed to someone doing this deliberately . You know what, weve gone over that, the pilot here and i, and im not sure we have come to any strong conclusion as to whether this means that this was an accident or deliberate. If you have the shutdown over time, it certainly sounds deliberate. But the fact that the acars system would be first. Why . You know, it doesnt lend any credibility to the theory that either way. It could have been mechanical, although i believe that its highly unlikely. The systematic approach with which it was shut down suggests to me it was shut down by somebody. We could point out, wolf, the acars system could actuallily be accessed by going through what is sort of the big huge gps system. This is used how you input how youre going to travel. Here you see acars right here. You can access it now. And you can begin to if it was an emergency, use this system to start transmitting messages. But you could also shut down aspects of the acars system by certain key entry. So the real question here is, was acars totally dismantled, or was it its ability to report somehow degraded . In other words, shutting it down, using this key board, or did somebody actually pull a wire . And i dont know if weve got the answer to that. Earlier, martin, we had been told, and maybe this is incorrect that, someone had to go below the cockpit actually to shut down that acars system. You couldnt just do it from within the cockpit. But what youre saying is, aspects of it could be shut down, even while a pilot or co pilot is seated . Right. This would seem to sort of get it at the problem that many experts have seen, that even though the acars system is said to be shut down, there is still a report that comes over the satellite. And acars is believed to be that system. So in other words, its like theres no information coming. But theres definitely a signal coming out. So that somehow perhaps they degraded, shut down certain reporting aspects, but didnt cut it off all together. But again, there is so much more we would really need to know in order to make that final judgment. All right. I want to come back to you guys. Hold on for a moment. James bernazoni, terrorism expert, worked in the government. Based on what we have learned so far, do you suspect credibly this was an actual terrorist act . I think the human factor is emerging. I think when you look at the human factor, theres three main investigative. The pilots acting on their own. An inside job. Or a classic cockpit breach. If you are looking at the inside job, you look at everybody who touched that aircraft. I think one of the major developments that we may pursue is the Flight Simulator of the pilot. Everybody should be focusing on that pilot and that Flight Simulator. But one must ask the question, did anybody else have access to that simulator to learn how to fly the 777, and if so, did that pilot provide that training. And what would if it were a terrorist act and the plane simply disappeared for it to be a credible terrorist act, wouldnt it have had to land someplace or that that plane could be used down the road in some sort of horrible way . Yes. The terrorists are students of history. And relative to a hijacking, hostage situation such as twa 47 in beirut, lebanon, the passengers were held in exchange for prisoners held by israel. It was the Lebanese Hezbollah who perpetrated that act. And as a result of the exchange, the israelis, although they wont admit to it, let 700 fighters go. And so we dont know this yet, wolf. Basically, all theories are still on the table. But in the focus of human factor, one must look at if the plane is intact, most probably will be eventually for prisoner exchange. If its not intact, then there is a lot of forensic work to do. Stand with us, james. Richard, martin. Everyone stay put. Were going to talk more about the focus on these two pilots and anyone else on that plane who may have had experience in the cockpit. Our panel standing by. Much more coming up. And later this hour, the crisis in ukraine. President obama picks specific targets, individuals for sanctions. Were going to talk about that strategy with the former u. S. Ambassador to the u. N. , bill richardson. Peace of mind is important when youre running a successful business. So we provide it services you can rely on. With centurylink as your trusted it partner, youll experience reliable uptime for the network and services you depend on. 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What exactly could we learn from that simulator . Well, i agree, and i think mitchell, the pilot agrees, that could be a key piece of evidence and information. And explain why, mitchell. Well, the flight data or the Flight Simulator is like any other computer. It stores data. It stores the roots. Anything he did with it, any tinkering, any planning or practicing maneuvers, will be stored on a hard drive. So in other words, if he had preplanned this, if he had had wanted to actually try it, he could have loaded all that information into the simulator as if it were the real flight. Yep, absolutely, he could have. And thats going to be important for investigators to look through now and see if there was any premeditation to this. The problem with a tool like that, it could be used by a pilot to practice, to hone their skills, or it could be used by anyone who might have aviation skills to plot something bad. Yeah. James, do you think the malaysian authorities are really handling this investigation well . Are they inviting the top experts around the world, including from the u. S. Government, in as their full cooperation . James, thats for you. Im sorry. Yes, wolf, english i think that people have to understand is do not confusion intention with capability. The United States has the experience because we have been victimized by terrorist incidents and we bring a wealth of knowledge relative to investigative pursuit that perhaps the malaysians wouldnt have, not because they dont have the capabilities as far as the conceptualization of what happened. Because they have been through it before. But unfortunately, the United States has been through this before. And the fact that the fbi is now arriving to assist with the con comprehendence of the United States, i think will advance this investigation and to bring it to logical conclusion. One aspect of this human factor investigation relative to the Flight Simulator, not only is the Flight Simulator of value, but now with that theory of perhaps the training was done by somebody who was visiting this fellows residence to learn to fly the 777, the investigators will be in to look at the communication devices of this pilot, his emails, his phone calls from his cell phone or land line. To see who he was in contact with leading up to the mystery of where this aircraft is. I asked the question, richard quest, because yesterday the malaysian authorities gave us one line when that socalled acars System Stopped Working and today they revised it, a significant revision. And the credibility is beginning to be questioned. Well, what they did was, they clarified, wolf. Because what we knew is that at 1 07, there was a transmission by this automatic data reporting system known as acars. Aircraft communication and reporting system. So we knew that happened at 1 07. Now we all jumped the gun, and we assumed that if there wasnt another one, then it failed after that. But if we move and therefore, we had the last verbal communication, and you had the transponder stopping. And we all thought that clearly that must be the moment. But if we move to the next set of the time scale, youll see exactly. But instead what we now know is at 1 37, there should have been an acars. There should have been an acars. So you have a window, wolf, between 1 07 and 1 37. Its a 30minute window. And in that window, we know two things happened. We know the transponder stops, and we know all right, good night. But we could not know at what pointed acars was disabled. All we do know, in that 30minute window, potentially it was the moment because at 1 37, it didnt chirp as it was supposed to. An important clarification, because it helps underline if, in fact, these two systems, the transponder and the acars, were switched off at different times or the same time, and its a very Significant Development in terms of trying to come to grips with what actually happened. Guys, thanks very much. Were going to stay on top of this story, investigators are checking the background of all the people, all 239 people on board the missing flight, flight 370. Were going to meet with family members in malaysias capital. Also coming up, there is a developing situation in ukraine. President obama today expanding sanctions against russia as a response to crimeas independence. Were standing by for a closer look. Huh, fifteen minutes could save you fifteen percent or more on car insurance. Everybody knows that. Well, did you know pinocchio was a bad motivational speaker . I look around this room and i see nothing but untapped potential. You have potential. You have. Oh boy. Geico. Fifteen minutes could save you fifteen percent or more on car insurance. Getting right back to the search for the Malaysia Airlines plane in a few minutes. But first, the vote is in. Crimea one step closer to becoming part of russia again. President obama signed an executive order, freezing the assets of several russian officials involved in the crimean incursion, including members of russian president Vladimir Putins staff. Heres part of what the president said a little while ago. As an initial step, im authorizing sanctions on russian officials, entities operating in the arms sector in russia, and individuals who provide Material Support to senior officials of the russian government. And if russia continues to interfere if ukraine, we stand ready to impose further sanctions. Back in crimea, ethnic russias are celebrating their victory. Nearly 97 of