coast guard on the search for a missing sub, officials say a banging noise was detected again this morning as they hold out hope. and plus the air national guardsman accused of posting classified government secrets on social media is back in court today, his first appearance since being formally indicted last week. and new dna results have been released in the case of four murdered university of idaho students, what investigators say they found. we are following these major developing stories and many more all coming in right here to "cnn news central". more underwater noises detected today and still hope that critical search for this missing submersible can still be

a rescue mission. five people trapped, potentially more than 2 miles under water. and officials estimate they have 14 to 15 hours of breathable air supply left. this animation of how the competition was supposed go. we just heard from the company that owns the support ship which took the titan oig out for this dive but then lost communication with the five men crew and hour and 45 minutes into the journey. those underwater noises by the way detected by sonar, some coast guard crew describing them as banging noises but they can't guarantee they are from the missing vessel. >> we need to have hope, right? but i can't tell you what the noises are. what i can tell you, and i think this is the most important point, we're searching where the noises are and that is all we can do at this point. >> let's go now to jason carroll, he is live for us in

boston which is where the u.s. coast guard is communicating what is going on with this rescue from. jason, what is the plan as we have 14 to 15 hours, of course that is just an estimate? >> reporter: right. and the plan quite simply is to keep going as they have been going. you know, when asked about that, what happens when the clock runs out so to speak. i mean the coast guard making it clear this is a search and rescue operation. and that is how he basically answered the question to that. but there was a lot of -- there were a lot of questions specifically about the noises that have been heard especially when we heard about yesterday, the canadian aircraft dropping that sonar buoy and picking up banging noises, if you will, the same banging noises it was revealed this afternoon were also picked you again this morning, also by sonar buoys. and so that raises the question what more can you tell us about

these particular sounds. so that is what i asked the captain there. and he said re, quote, i just dt know what they are at this points. so you have to ask yourself what are they doing? they have sent in additional resources into the area where the sounds were detected. and what they have done, they have taken the acoustical information, they sent it to the u.s. navy for analysis so they can try to determine is it human sound, is it someone knocking trying to indicate that they are alive, or is it some other sound from the ocean. is it from the wreckage settling near the "titanic" or some other noise. this is what the experts have to determine, which is why the u.s. coast guard is offering caution, but you also heard offering hope. because that was also a question. what would you say then to the family members waiting to hear some sort of word and the word is that they will continue to send as many resources into the area, continue to offer hope.

>> there could still be time, so they need to proceed as if there could still be time. jason carroll in boston, thank you. as the hours pass and the oxygen on board the vessel begins to dwindle, this is an all hands on deck effort. miguel marquez is live where the canadian coast guard is headquartered. what more are canadian officials saying at this hour? >> reporter: well, horizon maritime just held a little press statement and took some questions from the press. this is the company that has the "polar prince," the ship that they do a range of different things, everything from oil exploration and gas, and they were talking about the "polar prince," that it is the ship that took the submersible out there, it is now participating in the search as well.

and the other ship that they have, the "horizon arctic," that was ported here and then there were three u.s. military c-17s that flew in yesterday, a ton of gear in that including a deep water remote operated vehicle that is now on that ship and headed out to the search area as well as a coast guard ship here. it is just -- it is full-on, there will be ten ships out there in the next 24 to 48 hours. they know that there is a time issue because of the air issue that the submersible has, but my sense is that they want to keep looking for every possible se second. that is why despite how small the sliver of hope is given the sounds that they heard yesterday and today, that is where they are focusing their search right now because that is the one thing that they can do. and they just have a massive amount of gear out there right now. and hoping even if it goes past

the time that they know that they would have no more air, they will continue to search in the hope that somehow they have survived and they can bring them home to their families. back to you. >> miguel marquez, thank you so much. jim, an unprecedented effort. >> no question. and joining us to talk more about the search efforts and what hopefully at some point would be rescue efforts is retired navy captain chip hk c mccord. good to have you on. i wonder if you can help us understand the significance as we know it of the noises heard so far. if you listened to the press conference, they say in so many words they truly don't know what the noises are. they have hope. they had been described by some as banging although the coast guard captain wasn't certain that is what it was, wasn't certain also the time frame as described, was it every 30 minutes or some other indeterminate time frame. do you believe that they have a

reliable potential contact with the missing submarine? >> jim, i think that i would agree with the coast guard captain who said sthey don't knw exactly what they have. they are all out there looking at it and we could put conjecture into it, but if they knew for sure that it was someone banging on a hull with an s.o.s., they would have told us. so i think right now the answer is for us out here, they really don't know what they have. >> and that is important for expectations management. but it is apparently the best they have. so you have this indicator here, indeterminate one. you throw everything you can at it. what is the stage now? you are still going to be listening with what are effectively sub hunting aircraft, the p-3s and p-8s, there is also side scan sonar going out there. can you search the area twice the size of connecticut quickly

to try to zero in on something like this? >> i don't think that they really need -- on the underwater portion, to search the area twice of size of connecticut. it is probably no more than a mile or two miles by two miles on the bottom, which is most likely the place where the submersible is, most likely it is not on the surface or i think that it would have been spotted. it is very, very highly unlikely that it is in the water column between the bottom and surface. so most likely it is on the bottom and again the currents aren't that great down there, so most likely it is pretty close to the area where they descended to. >> and so that saernl area that is the surface search area, you're saying based on with what they know, they can probably -- and i know there are no certainties here, but greatly narrow that search area to a couple of miles. if that is the case, how quickly -- >> a couple miles -- it is a large area on the surface because there is currents and

tides on the surface. so if they were on the surface, it would have floated. on the bottom it is not going to float down there. >> is it based on what you know more likely that this thing is on the bottom as opposed to floating halfway up or on the surface? >> absolutely. yes. and the reason it is still on the bottom is that it might have had an electrical failure, it might not have been able to off load ballasts on it to help it raise. it might be caught under something. or it could have crushed, had a structural failure. >> if it was not crushed, and if it is still a liveable space in there, can you bring it up? a practical question. can you. and if you can, how quickly? >> okay. so the u.s. navy who is out there, the salvage offices, they have a lot of experience doing this. in the last two years, they recovered an f-35 i think from

12,500 feet of water. that is a fighter jet. and a helicopter from 19,000 feet of water. so basically both aircraft were intact and they recovered them. they normally don't go real fast, they don't go slow, because there is normally not a case of someone being alive in what they are recovering. so it is a pretty step by step process. the way that they do that is that they search, find the item that they are looking for, which again is the key in this situation right now, inspect it with an rov, and then probably hook a line on to it and recover it with a line. again, let's make sure that we understand that it is 2 1/2 miles deep, very few vehicles manned or unmanned can go down that deep. when you put a line down there on it, it is a 2 1/2 mile line. and so the surface ship is going

up and down, so the navy has this special system that that line is routed around a pulley on top of basically a big shock absorber. so there is no snap load on the line. and again, they have a lot of experience doing that. it is just a matter of timing. i believe that fadoss system is out there, i believe the navy vehicle -- again, other vehicles can work at depths. the underwater vehicles are designed do certain things. >> let me ask you this -- >> other people's rovs may not be designed do that sort of thing. >> you say they have done that with the f-35 and the helicopter, but those did not have living human beings on them. has anyone ever successfully recovered people from depths this far down? >> i don't believe from depth.

boy, i'm trying to remember back in the '70s, there was a submersible down in florida. and i'm sure for drawing a blank on this, but i think they recovered the people from that. no, not at this depth. again, very few things that can go down there to get them, and it is very time consuming to get all the equipment on site, put it on board a ship, secure it to the ship, basically weld it done so they don't fall around. you've got a lot of equipment. big cargo boxes of stuff. the rov is the size of a cargo van. its cable is 20,000 feet and the cable is inch and a half to 2 inches in diameter. and you've got, you know, 3 1/2 miles of that. so all these things add up to a

large surface area on board the ship that it has to be loaded on to. >> listen, those are the challenges. >> and then once you get it on, it has to steam out to the site. >> well, we know it is difficult. we know they are doing their best and we can only hope that they are successful. captain, thank you. ahead, his report con dclud the fbi was wrong to launch a full investigation into president trump's connection to russia. what john durham is saying about his findings and his reputation. and jack teixeria, the air national guardsman accused of leaking highly classified government secrets back in court today. what you can expect there. we'll talk about that. and dozens injured after a fiery gas explosion in central paris. hundreds of firefighters are on the scene and we'll take you there live. ome hemorrhoid enters the room. phil: excuse me? hillary: that wasn't me. narrator: said hillary, who's only taken 347 stepsps today.

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today on capitol hill, special counsel john durham is testifying before the house judiciary committee, just weeks after he released a report that was highly critical of the fbi's investigation into donald trump's 2016 campaign and possible contact with russia. let's take you live to which i will and sara murray. what will lawmakers hear from durham during the hearing? >> reporter: it was a pretty spicy hearing today as you might imagine with a number of partisan attacks and john durham defending his work investigating the origins of the russia investigation and the fbi's actions. he penned a report saying that while the fbi may have been warranted in launching the preliminary investigation, they should not have launched a full-scale investigation and he ran through some of his other concerns like the fbi failing to look at exculpatory evidence and interviewing key witnesses. take a listen.

>> as we said in the report, our findings were sobering. i can tell you having spent 40 years plus as a federal prosecutor, they were particularly sobering to me. a number sglooichblgtsd of of of glooifshts themselves, they were sobering. >> reporter: durham of course faced an avalanche of criticism from democrats, they said his report and investigation were essentially dog whistles to far right conspiracy theorists, that he was covering up for donald trump. and they accuse his colleagues of holding this hearing to distract. and we've heard from especially jim jordan and you can bet that he will continue looking into it. >> spicy moments indeed. sara murray, thanks so much. moments from now the air

national guardsman indicted on charges of posting highly classified military documents on line oig wwill be back in courte arraigned. oren lieberman is live at the pentagon for us on this. what are we expecting from this hearing? >> reporter: this arraignment is scheduled to start in just about half an hour, so at 3:45. and in terms of the process that will play out in court, it shouldn't be all that long. 21-year-old jack teixeria will be a ra a arraigned on six cound he will enter a plea. and we'll find out what he and his lawyers have decided in this case. and then the judge is expected to schedule the next hearing. so in terms of what happens in court, this should go fairly quickly as this begins to move through. the judge has ruled that teixeria will remain in detention pending trial. prosecutors say that teixeria spread classified information in two ways, first accessing it as

a member of the air national guard, then writing it down and essentially posting it online. and then they also say that he then simply took pictures of classified documents and posted those pictures online. in terms of the period, he did it for nearly a year and a half from january 2022 until april of 2023 and that is when he was arrested of course and that is when the legal process began to play out. and that process will continue today with the arraignment. we'll keep you posted. >> we'll be looking forward to that. oren lieberman, thank you. coming up next, an update on the missing sub as the coast guard reveals search aircraft have heard unidentified noises for a second day. what that all means. plus new information about dna found inside the house where those four university of idaho students were murdered. we'll have moor just ahead. long, get one 50% off in the subway app today. now that's a deal worth celebrating. man, what are you doing?!

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. let's get back now to our top story. the coast guard says there is still hope in the search for the missing submersible. officials estimate the five people on board now have been 14 to 15 hours of oxygen left. more vessels are headed to the search area. >> this is a search and rescue

mission 100%. we're smack dab in the middle of search and rescue and we'll continue to put every available asset that we have in an effort to find the "titan" and the crew members. >> the coast guard also says that search aircraft detected more underwater noises today. fact is though they are not sure what the noises are at this point and whether indeed they did come from the messing sub. the search area on the surface at least has grown to two times the size of the state of connecticut. search area on the ocean floor perhaps much smaller than that. chad myers is joining me now. chad, big question, find it, right? that is what they are trying to do. and now they are throwing what they can at it and the signals seem to be the best clue they have at this point. sad fact of the matter is that recovery would be a different task entirely. what do we know? >> it certainly would be. you have to think about even if they found it and they could hook it up to something, that is

12,000 feet of cable. you have to get that 12,000 feet of cable to the bottom and then a reel up to the top. there are so many unknowns here. really i think what has happened, best thing that has happened over the past 96 hours really is that the weather hasn't been too bad. 3 to 6 foot swells. not talking about the sharp waves that you see on lakes. these are the ocean swells. even though there are a couple clouds out there, there is no real big change or system there. we know the temperature is somewhere between 55 and 60 degrees. closer you get to down here into the warmer temperatures, the brighter colors, that is where the warmer water is. now, the difference is when you get a little bit farther down than that, things change dramatically. things change when it comes from the temperatures from the top to the bottom. something else that goes on when we get to this thing called the

thermocline, speed of the sound changes due to the temperature of the water and also the density of the water. so those sounds that they hear can actually be refracted. if a sound is made in the thermocline, it can go for hundreds if not thousand of miles. they think that is how whales talk or sing to each other. farther down at the bottom, another problem is that the temperature of the water is 39 degrees. so you are above freezing, yes, but in a fairly noninsulated capsule, you are in a nonheated capsule. i know people are trying to take all the ingredients and put them all into one, but even if we do get all the way down here, they need to really ramp this up and find it like now. >> and i know you're a surface person, weather, but currents are a factor i imagine at those various depths as well. >> sure. and of course they would have planned that out.

because they knew that we lost contact an hour and 45 minutes in to the dive, typically about a 2 hour, 2 1/2 hour dive, they know if it actually did stop, it didn't get entangled, that it just started drifting, they would have planned that into the drift category, they would have planned it into the mh 370. they knew where that would be drifting. but the currents at the bottom are not nearly as fast as at the top. this is -- i don't want to call it a dead sea because that already has a name, but down here things don't move very much. >> that is helpful to know. chad myers, thanks so much. those depths tells you so much of the picture. and still to come on "cnn news central," a fiery explosion in central paris injuring 29 people. we'll tell you what police say caused the blast. plus experts raising red flags about the future of artificial intelligence, how the white house is racing to regulate it.

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unfolding right now, rescuers looking to victims after an apparent gas explosion and fire in paris. it happened inside a building that houses the paris american academy, a stein schdesign scho. kent state university says all

of its students there are okay, two are missing.elissa bell is . what are you seeing where you are? >> reporter: you can see behind me the huge operation taking place, an enormous part of the left bank, latin corner, has been cordoned off. and earlier on the images were really quite dramatic. what we understand happened was inside the paris american academy that you speak of, a fashion design school here in central paris, a gas explosion is the assumption as a theory that paris officials are working off of. and an explosion that was so large that what we've been hearing from eyewitnesses who live nearby is that the apartments all around actually shook, furniture moved. apparently one described it as sounding like an earthquake. so extremely shocking scenes when it took place just before

5:00 p.m. local time here. the entire front of the building as we understand it completely collapsed. and fires were set off in several surrounding buildings. in the end 29 people injured, of those four still in critical condition. the french interior ministry is on the scene behind me. as for the american students from kent state university, that statement, about 20 of their students here in paris at the time, although they say all the students and faculty are safe and accounted for. but still several hours after the explosion, search continues for two people that are apparently still reported missing. of course an inquiry that will tell us more about this, how the gas explosion could have come to be, but for a few hours we saw in paris here huge fires raging, the fire billowing out over the left bank, really pretty impressive. and for all of us who have been in the facility and heard the initial bang and seen the chaos afterwards, extremely oshocking

scenes. >> and we hope those two unaccounted for are soon found. the maker of ozempic is suing for allegedly selling knockoffs of its drugs, the claim that it carried the active ingredient. the unlawful marketing and sales practices have created confusion, deception, also central safety concerns for customers. a new report from the world economic forum shows a bleak outlook for women. new data estimates the world will not see gender equality for another 131 years. if youuyou are marking your calendar, that would be the progress was disrupted by the covid pandemic's impact on women

and girls both in education and the workforce. and the supreme court is already looking at cases for next term, the justices set to meet behind closed doors tomorrow to consider whether to take up a blockbuster second amendment case. the challenge comes from the conservative leaning fifth u.s. circuit court of appeal which is claims a new federal law barring domestic abusers from buying a gun is unconstitutional. the white house is scrambling with how to address and regulate artificial intelligence as warnings about this rapidly growing technology continue to mount. a recent poll found 42% of ceos surveyed fear artificial intelligence could destroy humanity in five to ten years and dozens of industry leaders and even celebrities warned that it could lead to human extinction. yes, you heard that right. in the meantime, president biden met with a group of experts and

academics in san francisco to discuss the future of ai. joining me now is jier from common sense media, he was part of the talks. and i know that you are especially worried about kids. what was your message to the president? >> my message to the president was this is really the way to frame the narrative around ai. because the big winners potentially or the big losers are going to be the next generation, are going to be young people. whether it is the damage to democracy, whether it is the potential to improve our education system, whether it is the chance to make ai actually work on behalf of kids and families, these are critical questions. and the president has a big opportunity to lead on that. >> so he has this meeting. you are part of that. you are one of many people who are sounding some alarms about this. he also attended though a fundraiser on this trip hosted by reed hoffman, an early

investor in the parent company of chatgpt. do you worry that big companies are going to lobby their way out of the effective regulation, ala social media companies how they have? >> so great question and by the way i know reed hoffman. and i have a lot of respect for reed. but, yes, you asked the right question here. look, ai is going to be a bigger deal than social media. and i think that that is really important for the public to understand. that the impact of ai will be bigger than facebook, instagram, snapchat, et cetera. and the truth is there have been no regulations that are meaningful on social media. so we don't want to blow that again with ai. and the truth is, it is now incumbent upon us to put guardrails and common sense regulation around this extraordinary new technology. because used well, there is incredible potential to improve our lives.

used badly, i don't know if i'd talk about existential extinction, but there is very, very scary things that could happen in terms of misinformation, polarization, and the damage to our democracy. and president biden understood that. and i think that it was a very small conversation with a handful of experts, and we all said you cannot leave this extraordinary new technology up to a handful of very large companies who may or may not have the best interests of the public in mind. >> and today you had senator chuck schumer laying out a plan for that, for senate regulation of ai. i want to listen to what he said. here it is. >> later this year, i will invite top ai experts to come to congress and convene a series of first ever ai insight forums. for a new and unique approach to developing ai legislation.

>> you know, you heard it there. has he invited you to participate in this? >> yes, he has. but you know what i would say to congress? show me the money. show me the action. look, when you look at privacy issue, which affect every american, as you may know congress has still not passed any kind of significant privacy legislation since mark zuckerberg was in kindergarten. and we actually passed a major piece of legislation in california in 2018, the california consumer privacy law, which is the law of the land. so privacy is an important issue and by the way it is related to ai. but if we're going to have an important set of guardrails and public interest toward this new technology, congress will have to stop being politically polarized and unable to get out of its own way. and so i'm very glad that senator schumer invited me to these meetings and is talking about hearings.

but actions speak louder than words. and as a citizen, all of us should want the government to defend the best interests of kids and families and schools and take advantage of these new technologies, but not let they will managed by a small group of trillion dollar companies. so the proof is going to be in the 3pudding. >> you say the way to frame it is to talk about the effects on children. what are you worried will happen, what negative effects would this have on children that people really need to be focused on? >> so brianna, think about for example the big youth mental health crisis in the united states. common sense we've been focused on a national campaign working with the surgeon general, dr. mu murthy, around the fankts that we have a mental health crisis. amen mm mm mment -- ai amplifie

everything. if you think of all the bullying that can happen on platforms and you magnify that with ai, you could go down the rabbit hole there on terms of youth mental health. and the question is will we regulate that. so there is a down side. but there is also the extraordinary potentially founder of kahn academy was there with me, and we were talking about if you used ai well, we could actually transform educational opportunities and tutoring opportunity he is and coaching opportunities for young kids particularly in low performing schools in this country. so a lot of it is will we have a public interest common sense perspective on this and will we put the appropriate regulation in place. that is why i say it is up to congress and the president to do that, it is up to states like california and europe by the way to do that. but at the end of the day, we should make ai safe, high quality, and beneficial to children and families, period.

>> optimize the good, minimize the bad. jim, great to have you. thank you so much for being with us. >> great to see you, brianna. police unveiling new evidence against bryan kohberger, the criminology sgraut graduate accused of murdering four university of idaho students. what dna is telling investigators. the sheer majesty. experirience it with state-of-thehe-art expedition equipment and hands-on scientific research activities, alall in exceptional viking comfort. we invite you to discover the world's seventh continent: antarctica. viking. exploring the world in comfort.

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developments in the murder case of four university of idaho students found stabbed to death last november inside of their oaf off campus home.

just released court documents reveal new evidence against bryan kohberger, the criminology graduate student, university of washington. pardon me, washington state. cnn's jean carrares is here with more. what could you tell us. >> reporter: well this document was filed because the defense has asked for all information in regard to dna testing. they want the sources. they want the methods, they want the numbers. prosecution is responding by saying you should not get all of it. you don't deserve all of it. but in this filing, the headline is they are stating as a fact that when bryan kohberger was arrested, a buccal swab, done in the cheek of his dna was taken. so they finally had his dna. and that they compared that to the unknown dna found on the knife sheath which we know first have learned, this is new information, the knife sheath

was turn over on the bed next to maddy mogen, partially under her body and a comforter. and they compared that and a statistical match was on the knife sheath. let's look at documents. here is what they say and it is the str testing. they say the str profile is at least 5.37 octylon times more times likely to be seen if defendant is the source than if an unrelated individual randomly selected from the general population is the source. that is the science data for str dna testing. here is one more thing we learned for the first time from this document. now cnn, we had reported this through our sources on the day that bryan kohberger was arrested but it is the first time that the prosecution has

said that the fbi did genetic dna and they took that unknown dna and they put it through public data bases, finding relatives, distant relatives, generational relatives and they used that with investigate techniques and they went to local law enforcement and said, bryan kohberger is your suspect. and it went on from there. >> octillon. sounds like a good dna match. some good news there today. thank you for that. >> that is big news. another story, 30 million americans under heat alerts in the south and southwest. texas breaking daily temperature records, some cities climbing close to scorching 120 degrees. adding to people's misery, hundreds of thousands have lost electricity. that means no air conditions. we are in galveston, texas, i wonder any relief in sight.

>> reporter: it feels like you feel dizzy when you're in the heat. your vision gets hazy. it is that hot here in galveston. right now it is about 90 degrees but in nearby houston, given the humidity, the heat index is between 110 and 115 degrees. now one of the things that experts say is that you cannot forget your pets or your children in the car because temperatures rise very quickly. now my producer, shara wise had this salad in the morning, we arrived here about 5:45 this morning and it was a beautiful leafy green salad and take a look at it now. the plastic, jim, is even crumbled and it is completely dead. so there -- these are some of the dangers that the experts tell us about when it comes to the heat. you have to be very careful and stay hydrate and don't forget your kids or your pets in the

car. >> the heat could be dangerous. rosa flores, thank you. still to come, the man who attacked d.c. metro police officer michael fanone with a stun gun on january 6 has just been sentenced. we'll give you a live update when we come back. you u know with priceline you could actually take that trip for less than all this. i made a horrible mistake. ♪ go to your happy price ♪ ♪ priceline ♪ i'm a bear. i'm cocoming out of hibernatio, and papa is hungry. and while you're hittin' the trail, i'm hiing your cooler. and your cut-rate car surance might t pay for all this. so get allstate. ♪ ♪ a bunch of dead guys made up work, way back when. ♪ ♪ it's our turn now we'll make it up again. ♪ ♪ we'll build freelance teams with more agility. ♪ ♪ the old way of working is deader than me. ♪ ♪ we'll scale up, and we'll scale down ♪

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just into cnn, daniel rodriguez, the january 6 rioter who attacks police officer michael fanone was just sentenced to 12 years in prison. rodriguez attacked officer with a stun gun after the pro-trump mog dragged him into the crowd. you could see him falling to the

gr ground. >> rodriguez pled guilty to four counts back in february and ordered to pay more than $96,000 to the d.c. based metropolitan police department for medical and leave expenses which resulted from at tack. he suffered a heart attack and a traumatic brain injury from that assault. >> experienced the most brutal savage hand-to-hand combat of my entire life. let alone my policing career. which spans almost two decades. >> fannon who addressed the court today said in his mind his attackers ceased to exist a long time ago. the former officer demanded they pursue a indictment of trump over the capital attack. so many political charges around that. but you see what you see with those eyes an it is quite