line tonight >> juju: tonight, race against time. the desperate hunt for the submersible lost on a deep sea dive to the "titanic." >> to date, those search efforts have not you'lled any results.

>> juju: search teams covering thousands of miles as the oxygen supply quickly dwindles with only hours left. >> i can't imagine what's going through someone's mind when they're inside a submersible. >> juju: new details about the five explorers, including a billionaire adventurer. >> if he can be the first human to achieve something, he will. >> juju: and a father and son. the previous safety concerns about "the titan" and a hope a miracle is still possible. and plea keel. hunter biden agreeing to plead guilty to misdemeanor charges and settling a fellny. top republicans lashing out. >> if you are the president's son, you get a sweetheart deal. >> juju: former president trump facing his own federal trial, calling it a mere traffic ticket as president biden stands by his son. is the investigation over? one prilosec otc each morning blocks

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teams covering thousands of miles as the oxygen supply quickly dwindles with only hours left. i can't imagine what's going through someone's mind when they're inside a submersible. new details about the five ex you. you. thanks for joining us tonight. the world is watching the dire search for a submerged rebel. it's set out to see the historic wreckage of the titanic with five people on board, including a billionaire adventurer and father son explorers. the clock is ticking as the vessel remains lost somewhere in the north atlantic and the oxygen supply

is running dangerous, low. it was supposed to be the adventure of a lifetime. a submersible vessel that could reach depths. few others can, taking tourists to witness history firsthand. the iconic wreckage of the titanic. more than 12,000ft underwater. but it's turned into a nightmare as search and rescue teams race against time and depleting oxygen levels to find the missing capsule and its five passengers. overnight the us coast guard confirming that a canadian military aircraft detects underwater noises in the search area. but follow up searches could not conclude the sources of the sounds and yielded negative results. i can't imagine what's going through someone's mind when they're inside a submersible and they know they only have so much time. i am to my core terrified that they're not going to make it equipment from both the military and the private sector brought in to scour by air and

in the sea, an area double the size of connecticut. there is a full press, full court press effort to get equipment on scene as quickly as we can. the navy sending a portable lift system designed to recover large, heavy objects. the capsule dubbed the titan, is operated by oceangate expeditions and descended into the atlantic ocean off the coast of newfoundland sunday. these are the last known images of the submersible. the trip was only meant to take 8 to 10 hours, but contact was lost less than two hours after the journey began on the fact that they lost contact. so early in particular is worrisome because there is still not that deep in the water. that in itself is extremely unusual. the 21ft long vessel is equipped with four days of oxygen. tonight, there's less than 30 hours of oxygen left. when you're in a submersible and you're breathing, you take in oxygen and you release carbon dioxide. and if you have five people doing that, that's a lot of carbon dioxide that's getting released into the atmosphere of the sub. and if that builds up

very quickly, then you will pass out. it's not it's not good loved ones of those five on board clinging to hope that survival is still an option. ambitious, larger than life, he is an explorer at heart. he works hard and he explores hard british billionaire and explorer hamish harding was drawn to this trip by his love for exploration. according to friend and mentee janicka mikkelsen. what makes hamish tick? something that hasn't been done before. he's been on mountain peaks. he's been to the south pole, and now he's trying to achieve reaching the titanic. hamish even flew to space on blue origin with jeff bezos last year. the sheer experience of looking out of the window is something i'm looking forward to hamish posting on facebook on the eve of his latest adventure sharing photos documenting the preparation and writing a weather window has just opened up and we're going to attempt a dive tomorrow. businessman shahzad dawood and his 19 year old son suleiman are also on

board the dawood family releasing a statement saying they are praying to allah for the safe return of their family members. renowned french diver and titanic researcher h nodule, the fourth person on board speaking about his love for the ship in this interview last year , the titanic magic they can pronounce the titanic and are in reaction and stockton rush the ceo of oceangate expeditions also confirmed on board. the plan is to scan the wreck with the latest technology. so know to document its current condition and then be able to see how that changes over time. since the cruise liner sunk on its maiden voyage in 1912, the world has been obsessed. it's something that once you're into it, it's such a fascinating topic. i don't think you can really let go from the discovery of the wreckage in 1985 by robert ballard, east of new york. scientists aboard the us navy research ship are now

looking at large sections of the mass grave called the rms titanic to its prevalence in pop culture from film and the king of the world out to museum displays and musicals deep down, but also back for more. yes. now the world is once again watching the titanic. and it is sort of interesting. the comparison of the world is waiting after the titanic sank. you know, the world waited till the carpathia got to new york to find out what happened. and right now, we're still waiting to find out what happened to this submersible. the titan was built in 2018. rush talking then about the promise, the submersible posed for research beyond the titanic. and this is critically important when you realize that there are tens of thousands of shipwrecks from world war two, many of which sank with toxic chemicals and fuel oil on board that same year, ocean gate was sued by a former employee who claimed he

was fired after raising safety concerns. as the case was later settled out of court. last june , cbs news joined rush on one of his deep sea titan tourism ventures. ross showing the intricacies of the titan, including the use of a video game controller to operate it, corresponding david pogue questioning rush on the vessel's integrity. it seems like this submersible has some elements of macgyver. why jerry rigged noose. i mean, you're putting construction pipes as ballast. i don't know if i'd use that description of it, but there's certain things that you want to be buttoned down. so the pressure vessel is not macgyver at all, because that's where we work with boeing and nasa and the university of washington. everything else can fail. all your thrusters can go, your lights can go. you're still going to be safe. to date, the titan has made more than a dozen trips each passenger paying up to $250,000. in a statement, the company saying they are

exploring and mobilizing all options to bring the crew back safely. aaron newman paid to go on an expedition with oceangate in 2021. we didn't have any problems at all. it went very, very smoothly, he said. inside the submersible, deep underwater, it's chilly and cramped. you're basically in there ten hours, but it is a floor. you can't stand up. you might be able to stand up, totally leaned over. it does have a little heater in it that works as long as you have power , but you're generally bundled up at that at that depth. newman says there's a weight system that if working correctly, would bring the submersible back to the surface. we are certainly all hoping that it's bobbing around at the top and there just have to find it right now. don lynch has also seen the titanic firsthand. he dove with james cameron after working with the director on his blockbuster film . um, it was fascinating to see the ship that i had studied for so many years and to look at the decks and see where the people

had spoken with had actually stood his thoughts today with those on board the titan. i never even thought for a minute when i dove on the titanic that i would ever be in a situation where we would run out of oxygen and it just has to be horrifying . i can't imagine what goes through your mind. i'm just heartbroken about it. doctor michael gillen was the first journalist to travel down to the titanic in 2000. he was then the science editor for abc news. while underwater, he had his own close call. so are we stuck or what? when we collided with the propeller and i started seeing those big chunks of metal raining down on us, the first reaction i had was this can't be happening. this is not what i signed up for tonight with the search area expanding those who know the explorers on board are praying a miracle could happen. right now i am hoping for the best. up next, the hunter biden

plea deal. what the son of the president of the united states has agreed to. and the reaction tonight from republicans as the tonight from republicans as the man with the troubled phil: excuse me? hillary: that wasn't me. narrator: said hillary, who's only taken 347 steps today. hillary: i cycled here. narrator: speaking of cycles, mary's period is due to start in three days. mary: how do they know so much about us? narrator: your all sharing health data without realizing it. that's how i know about kevin's rash. who's next? wait... what's that in your hand? no, no, stop! oh you're no fun. [lock clicks shut] my most important kitchen tool? my brain. so i choose neuriva plus. unlike some others, neuriva plus is a multitasker supporting 6 key indicators of brain health. to help keep me sharp. neuriva: think bigger. you know that feeling of having to rewash dishes that didn't get clean? i don't. new cascade platinum plus...

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♪ control is everything to me. ♪ learn how abbvie could help you save. hemorrhoid enters the room. excuse me. i wasn't me, said hillary, who has only taken 347 steps today. i cycled here. speaking of cycles , mary's period is due to start in three days. how do they know so much about us? you're all sharing health data without realizing it. that's how i know about kevin's rash. who's next? wait, what's that in your hand? no, no, stop. well you're no nos household sleeps till the middle of the morning. she doesn't eat all the beauty rest she can get thousands of women with metastatic breast cancer are living in the moment and taking ibrance. ibrance with an aromatase inhibitor is for adults with hr+/her2- metastatic breast cancer as the first hormonal based therapy. ibrance plus letrozole significantly delayed disease progression versus letrozole. ibrance may cause low white blood cell counts that may lead to serious infections. ibrance may cause severe inflammation of the lungs. both of these can lead to death. tell your doctor if you have new or worsening chest pain,

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dreamer. but i'm not the. only one i hope someday you'll join us. and the world will live. as one. how prepared is your family? if disaster shows up at your doorstep, you can't just turn away a natural disaster that's why it's important to go to ready.gov slash plan before they show up. it has the tools and tips you need to make an emergency plan with you the cenr of political scrutiny since his father was a candidate for president. but he's also been the center of an investigation. and tonight he's agreed to a plea deal with the justice department. but the controversy is far from over. here's abc's pierre thomas. how do you focus ? you're such a good kid. i'm very proud of my son. after a five year investigation, the

justice department today cutting a deal with hunter biden, the son of the president of the united states. hunter biden, agreeing to plead guilty to two misdemeanor counts of tax violations and acknowledging that he illegally possessed a gun while he was addicted to a controlled substance. the deal, which will allow biden to avoid prison time if approved by a federal judge, reflects a sober reality. hunter biden committed crimes until his plea. he had maintained his innocence. i am absolutely certain 100% certain that at the end of the investigation that i will be cleared. but today, a different tune. his attorney saying biden believes it is important to take responsibility for these mistakes he made during a period of turmoil and addiction in his life. the plea agreement outlines the two misdemeanors, citing that he failed to pay more than $200,000 in taxes over two years. in 2017, 18 and 2018. he would also avoid prosecution

on another charge considered a felony, admitting that he illegally possessed a firearm. a colt cobra 38 special in 2018, while he was still an addict. if he doesn't violate the terms of probation and doesn't violate the terms of the diversion agreement, then he would not serve time behind bars. republicans swiftly hitting back from house speaker kevin mccarthy. if you were the president's leading political opponent, the doj tries to literally put you in jail and give you prison time if you are the president's son, you get a sweetheart deal. two presidential candidate ron desantis tweeting, if hunter was not connected to the elite class , he would have been put in jail a long time ago. and former president trump himself facing a federal trial claiming that the case against hunter biden was whitewashed, calling it a mere traffic ticket, saying the system is broken. this is a slap on the wrist, but it's probably a harder slap than an ordinary person would get if their name

wasn't hunter biden, the man in charge of the investigation, us attorney david weiss was appointed by former president donald trump and kept on by attorney general merrick garland to show he would not meddle in the case. there will not be interference of any political or improper kind. weiss recently said in a letter to congress he was granted ultimate authority over this matter, including responsibility for deciding where, when and whether to file charges. his long and wide ranging investigation examined various parts of hunter biden's life, including his business dealings in ukraine and china. you're going to see a combination of a victory lap and a rallying cry from conservatives from some of the republican presidential candidates up to including donald trump, saying that, look, we knew there was something there, but this is not the end of it. well this could conclude doj's investigation. even congressional republicans are still pursuing their own investigate mission into nearly every facet of hunter biden's business dealings, including

examining foreign payments, the whole cloud of stuff around his son, his laptop, his drug addiction. now his his admitted tax evasion, as well as his business dealings. they all represent something that is core to the biden image, and that is potentially vulnerable politically. today. president biden standing behind his son, releasing a statement through a white house spokesperson saying that the president and first lady loved their son and support him as he continues to rebuild his life. this is not the first time that hunter has been the center of a political and legal firestorm form in 2020. trump accused him of profiting from business interests in ukraine during the time when his father was vice president. the newly uncovered emails reveal that a top executive from the highly questionable ukraine company it's an energy company which paid hunter at least $50,000 a month. he was alleging essentially that that hunter biden was was leveraging his

relationship with his father as vice president to score lucrative contracts, consulting contracts with companies that had interests before foreign governments, particularly the ukrainian government. but in 2019, hunter biden defended how he got his position on the board of burisma. bottom line is that i know that i was completely qualified to be on the board and that's all that i focused on was basically turning a eastern european independent natural gas company into to an western standards of corporate governance. did i make a mistake ? well, maybe in the grand scheme of things, yeah. but did i make a mistake based upon some unethical lapse? absolutely not. today, an attorney for hunter biden, christopher clark, spoke to msnbc. how does hunter biden feel? i think hunter feels happy to move on with his life and his recovery and keep doing i mean, the one thing nobody talks about is how long hunter has been

sober and moving forward with his life being a good person, his lawyers would say this is it. this is the end. it's all behind him. but the congressional republicans are making it clear that they don't view it that way. and joining me now, former trump administration justice department official sarah isgur. you know, sarah, some republicans are calling this plea a sweetheart deal. what's your take? well, at the top level, what republicans are arguing is that you have donald trump facing 37 felony charges, that all carry jail time compared to hunter biden, who will now have no jail time. hunter biden was negotiating with the department of justice. donald trump has shown no interest in meeting with the department of justice to talk to them about a potential plea negotiation or deal. and the other part of the hunter biden news that we learned today is tax evasion, misdemeanor charges , that he got probation for that feels very normal on the gun

charge. that pretty trial deferment. but for a first time offender, not too surprising from the department of justice. you mentioned that his plea includes that pretrial diversion program you worked at the doj. tell us what exactly that means and how does it help people keep people accountable? this actually is like probation, but probation only happens after you've pled guilty. so this still will have community service or payments if you fulfill all of those, though, your charges are dismissed. so it does not stay on your record. for instance, that you are a felon, which i'm sure was very important to hunter biden's legal team. now, the us attorney in charge of this investigation , an we know was appointed by then president donald trump and also looked into hunter biden's business dealings in ukraine and china. could he still be the subject of other investigations as so, first of all, the house which is controlled by republicans absolutely is going to continue investigating hunter

biden's business dealings. but they're not the executive branch. they can't bring criminal charges. but you also saw that us attorney say that that part of the investigation wasn't closed. and it's interesting because cause the hunter biden legal team says that very much this means that all investigations into hunter biden are closed by the department of justice. it's clearly a sticking point yet to be totally resolved by both parties here. as we say in television. stay tuned. sarah isgur, thank you so much for your insights. appreciate it. thank you. up next, the unbelievable new rubicks record and the inspiring story behind and the inspiring story behind it. if your moderate to severe choose stelara® from the start... and move toward relief after the first dose... with injections every two months. stelara® may increase your risk of infections, some serious, and cancer.

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dreamer. but i'm not the only. one i hope someday you join us. and the world ever live as one on how prepared is your family? if a hurricane shows up at your doorstep or a flood or a blizzard and you can't just turn away a natural disaster that's why it's important to go to ready.gov slash plan. now, it has the tools and tips you need to make an emerg life's puzzles. yes 3.13 seconds. that's how long it took. 21 year old max park to solve a rubik's cube, setting a new guinness world record as the fastest person to do it. but there's more to the story. park was diagnosed with autism as a toddler and the cube quickly became a tool not just for his motor skills, but according to his dad, for his life skills, too. not only was it something that really helped him with his fine motor skills, but it helped him with his social development to find his tribe of people. once you find your tribe of people that you connect with that become your friends, i think the sky's the limit for you. congrats to max. and that's nightline for tonight. see you back here same time tomorrow. thanks for staying up with us. good night, america