Christine romans. Im john berman. 5 00 in the east. We do begin with the latest on the flight for 370. And the news that broke overnight that once again, search crews have heard signals, possibly from the jets black boxes. Two noises were detected by the United States equipment on an australian ship. Only for a few minutes this time. The signals were weaker than they had been before. That in itself could be revealing and its being called a positive sign and likely at this point the best chance to find flight 370. Perhaps within a matter of days. Cnns Erin Mclaughlin live with the latest. And it seems again from the body language from the announcement overnight that they seem fairly optimistic that these signals are coming from the black boxes and they are narrowing down that search area. John, this is very encouraging news. Angus hughson is the man responsible for coordinating this search effort. He gave a press conference earlier today. Hear how he characterized these new detections. I can now tell you that ocean shield has been able to reacquire the signals on two more occasions. Like yesterday afternoon and late last night. The detection yesterday afternoon was held for approximately five minutes and 32 seconds. The detection late last night was held for approximately seven minutes. Houston went on to say that the signals detected were noticeably weaker than the saturday detections and that significance, he said thats most likely because the batteries of these black box pingers are expiring. They have a self life of some 30 days and were now on day 33. So the priority of this search operation right now, very much rests with the ocean shield, the australian vessel equipped with the american operate d ping locator. Still scouring the waters trying to pick up any more detections. The more detections they make, the more they are able to narrow down a potential search field to try and find the source of that signal. And once they do that, they will then deploy the bluefin 21 which is an american provided autonomous underwater vehicle capable of searching the ocean floor for actual wreckage. And thats really what they say they need at this point to confirm that this is, in fact, from the missing plane, john. Theyll keep listening until they are 100 convinced those batteries are dead. Erin mclaughlin for us in perth with this new development. What they are looking for is any evidence, any evidence of what led flight 370 to make its dramatic turn away from its route to beijing. Investigators in malaysia expressing optimism. Nic robertson has the latest for us from kuala lumpur. Well, we have heard from the acting transport minister on his twitter account since the third and fourth pings have been announced. He said hes cautiously more optimistic. He also says he prays this will help everyone move forward. And hes also praised ang was houston who is leading the Search Mission off the coast of australia. Praised him as a professional. But what we continue to hear from officials here is that the black boxes are a vital part of the investigation, that they wont announce any sort of partial findings that theyve had so far. We have heard saying that despite saying that we have heard from the police chief here saying hes been able to rule out all 227 passengers being involved in the disappearance of flight 370. But the investigators wont go further than that because they say that the information they have so far is essentially only partial. That the black boxes will provide more information thats important. And we also understand from sources here that its very likely that its not just the black boxes, if the plane is found and discovered for sure. That the medical team if you will, thats been formed as part of a commission by the malaysians here to investigate the missing aircraft, the medical component will be important. The pathology experts for what they may find aboard the aircraft. Thanks to Nic Robertson for that. There was one american adult on board flight 370. Philip wood, an ibm employee heading them to beijing. His partner sarah bajc tells jake tapper on the lead she thinks philip wood may still be alive. And she doesnt think that were hearing the truth about what happened to the jet. I do believe that there is some sort of coverup by some sort of government agency. Whether thats malaysia, the United States, china. I dont know. But its impossible to me that all those governments radars were so silent and so quiet when a 777 was flying over their air space. Theres nearly something we dont know. Most the people on board that flight were chinese. Of course, they want answers. But they are saying theres been so much false information throughout these 33 days. At this point, they dont know what to believe. Pauline shew has been spending the last 33 days with these grieving families in beijing. There was a meeting overnight between a group of americans and some of the families. So who were these americans . Why were they there, and what happened . John, these were three american women who all lost loved ones in the past in plane accidents. And for the very first time, chinese families here were meeting people who could say sincerely, we know what youre going through because weve been through it already. And these three women came over on their own time. They are with an Organization Called planesafe. Org. Its a nonprofit organization. And the three women answered the chinese families questions for about two hours. Questions about the airplane, questions about terrorism, how they dealt with that because one of the womens husbands died in 9 11. He was in one of theure ure tte twin towers on september 11th. They gave guidance and advice and pushed the family members to push for more answers and warned it could take a long time, even years. Now as for some of the families who still hold out hope for survivors, i asked one of the american women what she would say to some of the chinese families here who still believe that the plane is intact somewhere, may have crash landed, and that there are survivors on board. I asked her what she would say to these family members. I respect every Single Family member and what they personally believe and the questions that they have. I think its a very good question. Theres we have no proof that this plane has crashed at this point. And we have satellites that can read the license plate on a car. Dont tell me that after a month we cant find an airplane . Now gail dunhams exhusband was a captain of a United Airline flight, and that flight crashed in colorado back in 1991. And since then, gail has been a huge advocate about safety improvements in the airline industry. Now she and the two other americans are going to stay here in beijing until friday. They say they are here for the chinese families. They came with this nonprofit organization. And they are willing to speak with them and answer any of the questions from how they investigated their particular incidents to how they emotionally tried to overcome all of the grief that theyve been through the past couple of years, john. Has to be such an important resource for the families. Pauline chiou, thanks to you. There are 14 ships scouring the ocean. The weather has been a concern almost every day. Indra petersons, how are things looking here . This is the best news we have. They are getting to this critical time period. You can see the search area. Look how clear it is in the vicinity. Seeing all the weather moving out of the region. Very good conditions. You can see the bulk of the systems out there really staying down to the south. This is the good news. Now that that search area is farther to the north. The weather is a lot calmer in this region. Looking at the clouds and any potential for rain. Cant say theres not a few scattered showers here or there. Nothing in comparison to what they were deal with a few weeks ago. Otherwise, yes, some light showers and even the winds. Look at this. The bulk of the winds far down to the south. Even these are clearing out. 10, 15, maybe 20mileperhour winds. And that is it. You really could not have better news in such a critical time period right now than good weather for the next 24 hours. Following the latest breaking news on the search for flight 370 all morning. Two pings heard again. But first, happening now, Oscar Pistorius being grilled by prosecutors trying to tear apart his testimony at his murder trial. Were live with this very emotional testimony this morning. 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Fancy feast. Love served daily. We know in the cyber world, threats are always evolving. At first, we were protecting networks. Then, we were protecting the transfer of data. And today its evolved to infrastructure. Finance. And military missions. Were constantly innovating to advance the front line in the cyber battle, wherever it takes us. Thats the value of performance. Northrop grumman. Thats the value of performance. Making moves that would put an adult in the emergency room. Yet all they really want to do is grow up. Its funny, everyone i know wishes they could go back and feel younger. Sound familiar . Then test drive one of these. Current nongm owners and lessees use your 1,500 allowance to lease the 2014 cadillac ats for around 359 a month with nothing due at signing. Breaking news this morning from australia. Officials say theyve reacquired signals in the indian ocean signals that could be from flight 370s black boxes. Now these signals didnt last very long. Just five minutes and seven minutes, and they are weaker than they had been days earlier. Thats a sign the batteries on those devices may be dying. But this gives new hope now that search crews may be closer to finding that jet. That jet missing for 33 days. We have more breaking news. Its a crucial moment right now in south africa at the murder trial of Oscar Pistorius. He is on the stand right now being crossexamined by prosecutors. And these questions, they are tough. A lot tougher than he received on direct examination. Lets listen. Ive made a terrible mistake and you made a mistake . Thats correct. You killed a person. Thats what you did, isnt it . I made a mistake. You killed reeva steenkamp. Thats what you did. I made a mistake. You are repeating it three times. What was your mistake . My mistake is that i took reevas life. You shot and killed her. Why dont you take responsibility for that. Kelly phelps is outside the courthouse in pretoria. Kelly, that was quite an exchange. Whats the prosecution trying to do here . The prosecution is definitely trying to go after him with aggression, unnerve him and through unnerving him trip him up. Theyll try and trip him up on two grounds. Theyll first three try to get him to reveal a more aggressive side of his personality which is always the portrait of him theyve painted. That hes this very volatile and aggressive personality. And theyll try to get him to demonstrate that for them on the stand. The second thing theyll try to trip him up on is if theres any inconsistencies in his statement. The hope is by going in aggressively, he loses his train of thought and lets something slip that he was trying to hold back when he was more composed. On the facts themselves right now, where we sit as he testifies to the prosecution this morning, what kind of factual case did Oscar Pistorius lay out yesterday and factually speaking, sdwhat the prosecution need to do to undermine that . Well, we always have to remember that, in fact, its the state who has the burden to put the case on the record. And what pistorius needs to do is poke holes in that. And he has factually provided some basis to poke holes in it. And we saw a lot of that actually this morning. So yesterdays testimony was important with regard to his state of mind. We know his defense rests on a mistaken belief, so thats what he was putting on the record yesterday. Today he went on a much more factual basis to try to contradict key, pivotal parts of the states case. For example, we know that much of the states murder case rests on the supposed evidence of neighbors having heard a woman scream. So they used pistorius testimony today to put on record the fact that most of the neighbors in fact if not all of the neighbors that were in closer proximity to pistorius house, they all gave statements saying they did not hear a woman scream and one or two of them in fact, said in the statements that they need a man crying. So they are putting evidence on the record to suggest that there is a doubtful validity on the basis of the states case. And they were quite consistent in doing this today because he was more composed and, therefore, more coherent and eloquent in the testimony he gave. The judge cut off the testimony yesterday. He was more eloquent today. As you say, the burden of proof is on the prosecution. Now crossexamining pistorius on the stand all morning. Well stay on it. Kelly phelps, thanks so much. There is more breaking news this morning. Toyota recalling more than 6 million cars worldwide for problems ranging from air bags not deploying to steering columns breaking to seats not locking into position. In are a total of five different issues affect something 27 different models. 2 million of the cars involved are from north america. Feels like the year of the recall. Its only april. Gm deal with more fallout from the faulty ignition switch. They must pay 7,000 a day to the national Highway Traffic Safety Administration for being late to hand over documents. Gm says it handed over twothirds of the papers. More than 270,000 pages and is working hard to hand in the rest. Stocks up today after the u. S. Stock market snapped a threeday losing streak yesterday. Futures pointing to a higher open today. The big question on wall street right now, are we in for a correction . Thats the 10 or more drop from market highs. The nervous nellies have been out in force saying we need one after a few years. Well hear from the fed today and get earnings reports over the next few days. At least for today, some of the recent selling seems to have stopped. Happening today, president obama and the first lady travel to ft. Hood for a Memorial Service honoring three people killed, 16 wounded when a soldier opened fire there before taking his own life. Investigators say specialist ivan lopez got into some sort of altercation. That may have sparked the shooting. He was being treated at the time for anxiety and depression. At camp lejeune, a marine is dead, a fellow marine in custody this morning after a deadly shooting there. Authorities say it happened at a guard shack when one marine shot the other. Both were on guard duty. But few other details at this point being released. New developments in the search for victims from the deadly landslide northeast of seattle. The death toll has now reached 35. 31 victims have been identified, including a 2yearold girl. 11 people still missing. President obama plans to visit oso washington april 22nd as he heads west for a trip to asia. The white house says the president will meet with families and first responders. Real tough situation. The breaking news. New clues in the search for missing Malaysia Airlines flight 370. Crews detecting new signals in the ocean that could be the vanished jetliners black boxes. Can the wreckage be found before the batteries on those black boxes run out . And could we finally learn why the plane vanished without a trace . We are live next. vo you are a business pro. Maestro of project management. Baron of the buildout. You need a permit. To be this awesome. And you. Rent from national. Because only national lets you choose any car in the aisle. And go. And only national is ranked highest in car rental Customer Satisfaction by j. D. Power. aaron purrrfect. vo meeeow, business pro. Meeeow. Go national. Go like a pro. [ female announcer ] we eased your back pain, you turned up the fun. 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The question we have here, it seems like an incredible stroke of luck that they were able to hear these pings in the first place over the weekend at that location. Now theyve heard them again. Do you get the sense that they feel that th