why prosecutors say enrique tarrio was the leader of a conspiracy. here are tonight's headlines. ♪ ♪ the man who wrote on social media on january 6th "make no mistake we did this" sentenced to more than two decades in prison. the new details just coming in. ♪ ♪ back-to-school meltdown, with nearly half of the country facing sweltering temperatures in the 90s or higher, some districts are forced to cancel classes. how long will it last? ♪ ♪ >> today is the sixth day in a manhunt for convicted killer. danelo cavalcante was spotted at longwood gardens. >> expanding south with the latest sighting. ♪ ♪ >> united airlines has now lifted a nationwide ground stop. >> the ground stop translated to hundreds of delays. ♪ ♪ >> lawyers for convicted murderer alex murdaugh are seeking a new trial. they claim to have new evidence. >> the clerk of court had improper private communications the jurors. ♪ ♪ >> the white house confirms that first lady jill biden has tested positive for covid-19. >> yesterday he took a test, and it was negative. today he took a test, and it was negative. ♪ ♪ >> norah: student loan payments are due again as millions scramble to pay off their debts. >> that $700 a month that could be food, it could be gas, it could be bills paid. ♪ ♪ >> norah: and honoring a hero, the emotional moment at the white house as a vietnam war veteran is awarded the medal of honor. ♪ ♪ good evening to our viewers in the west, and thank you for joining us on this busy tuesday night. we begin with breaking news from the federal courthouse right here in washington. 39-year-old enrique tarrio once the top leader of the far right extremist group the proud boys was just sentenced to 22 years in federal prison for orchestrating the failed plot to forcibly block the peaceful transfer of power following the 2020 presidential election. it's the longest sentence yet stemming from the january 6th assault on the u.s. capitol, but not as long as a 33 years requested by prosecutors. he begged the judge for mercy saying "i'm not a political zealot." but he did not receive that mercy. cbs's scott macfarlane was inside the courthouse. he joins us now. good evening, scott. >> reporter: good evening, norah. enrique tarrio was the highest level january 6th defendant convicted of that highest level charge, seditious conspiracy. choking up, he apologized in court to police and other victims. but for the judge, that remorse e was too lilittle, too late. the man federal prosecutors called the leader of the conspiracy that led to the january 6th attacks, former proud boys leader enrique tarrio, stood in court today and asked the judge to show mercy. adding how sorry he was for the events that occurred that day. but judge timothy kelly who sentenced tarrio to the longest jail sentence yet for any january 6th defendant pointed to this text message tarrio sent after the capitol had been breached "proud of my boys and my country. don't expletive leave." >> the jury agreed with the government that he directed this that he recruited the individuals who were in place and led the assault on the capitol. with the express intention of preventing the peaceful transfer of power. >> reporter: tarrio's attorneys sought leniency arguing he was not at the capitol that day. watching from a hotel in baltimore. a prior arrest banned him from traveling to d.c. but prosecutors laid out how tarrio mobilized 200 to march the capitol saying they would turn out in record numbers ththat day, anand respondiding o trtrump's 202020 debate cocomme. >> statand back anand stand byb. >> reporter: tarrio writing "standby, sir." his proud boys codefendants serving ten to 18 years, one of whom pazzola shouting "trump won" after his sentencing ended. >> norah: and scott macfarlane is back with us just outside the courthouse. this is the most severe sentence for the more than 1100 who have been charged on the january 6th assault. you were inside the room. tell us what happened. >> reporter: i've been to hundreds of these meetings, norah. never seen a crowd this big inside and outside the courthouse for a january 6th case. tarrio has a big following some supporters and detractors, and his mom spoke for leniency, but the judge said, norah, tarrio was the ultimate leader of the attack. >> norah: part of the sprawling department of justice investigation. thank you. outside of philadelphia, two districts canceled cases today after an escape killer was spotted monday night. u.s. marshals describe the fugitive as desperate and dangerous. telling cbs news that more than 250 officers from multiple law enforcement agencies are now part of the expanding the round-the-clock search. we get the latest now from cbs's nikki dementri. >> reporter: these are the latest from escape killer danelo cavalcante captured by a camera overnight, outside the search zone where police thought they had him trapped. >> the photos confirm that cavalcante has not changed his appearance, but also that he has a backpack, a duffel swing type pack and a hooded sweatshirt. >> reporter: police were forced to widen their search perimeter today that led to two schools closing out of an abundance of caution. >> everyone is home today. but it's still not what we chose to be. >> reporter: cavalcante is believed to be 10 miles from the prison where he escaped last week. the police almost had him this weekend, he was spotted by a state trooper who gave chase but ultimately lost him in the woods. >> we had already requested and begun to mobilize resources from additional federal agencies last evening to include the fbi and u.s. customs and border patrol. >> reporter: cavalcante is serving a life sentence without parole for killing his ex-girlfriend in front of her two small children. he is the second prisoner to escape from this prison this year. cavalcante has been spotted multiple times since he escaped last thursday. police believe he hides during the day and moves around at night. this rattled community just wants this to be over. >> that's the fear, as time goes on he gets more and more desperate, so you never know what he will do. >> reporter: investigators are utilizing everything from night goggles and drones to helicopters and dogs in this manhunt. norah. >> norah: nikki dementri, thank you. we turn now to the massive heat dome smothering much of the nation. 156 million americans sweltered in hotter than normal conditions today with nearly half of the population experiencing temperatures in the 90s and above. cbs's omar villafranca now on how the dangerous heat is affecting schools. >> reporter: extreme heat is causing a back-to-school meltdown. in detroit, jemia bray and jaevon adams had to pick up their two sons three hours early after the mercury hit 91 degrees. >> i just found out yesterday at 7:00 p.m., yesterday, that they have a half a day today. >> reporter: and it's not just in michigan. schools across seven states either had early dismissals or were closed entirely because of the heat. including in philadelphia, where students from 78 public schools with no air conditioning were sent home early on the first day of classes. in washington, d.c., the swamp feeling like a swamp. public pools were set to close on labor day, but the 97 degrees temps are forcing city officials to keep some open until september 21st. it's welcome relief for stev en anlian. >> it's pretty warm here, but couldn't be a better place than at the pool. >> reporter: businesses in texas are also feeling the effects, including the ivy tavern in dallas. the local bar has plenty of patio space with fans and water ministers. but general manager ben frye says when it's triple digits outside, customers stay home. >> if we get a cold front, we get a jump in business like really fast. >> reporter: do you notice it? >> yes, absolutely, it goes from one day to the next. >> reporter: texas' power operator has issued a weather watch for the rest of the week and asking customers to conserve power to avoid any possible outages especially on friday, norah, where the temperatures could reach 107. >> norah: that is hot. omar villafranca, thank you. for more on the heat and a potential monster huricane brewing far out in the atlantic, let's bring in chris warren of our partners at the weather channel. good evening, chris. >> good evening, norah. this record heat is hanging in there. it is persistent, and the reason for that, this heat dome is going to be strengthening over the southern plains and as it does, still looking for some serious possible more dangerous heat for the southern. some relief coming with storms for the ohio valley. but even till the end of the week, temperatures in the northeast still in the 90s. triple digits for the southern plains and also looking at newly named tropical storm lee expected to become a major hurricane in the coming days. and, norah, this is one that certainly needs to be watched. >> norah: we will watch it. chris warren, thank you. on the heels of one of the busiest travel weekends of the year, a computer glitch had united airlines ground its entire fleet across the u.s. and canada today. disrupting 350 flights. we get the latest from cbs's errol barnett. >> reporter: it began with an ominous statement. united airlines experiencing a systemwide technology issue. the faa advising the airline was unable to contact their dispatch through normal means. the impact, a nationwide ground stop, halting all of the airlines departures in north america. the alert was issued at roughly 1:00 p.m. eastern time, and just over an hour later, united lifted the ground stop, saying it was caused by a software update, but even small problems can create massive headaches. the ground stop has translated to hundreds of delays slowing thousands of people, especially at united's major hubs. those still on the tarmac were stuck. one passenger posted "been sitting in a hot plane at the gate for 90 plus minutes." another writing "not fun when you are in the absolute last row with four crying babies and it feels like 90 degrees in the plane." perhaps one saving grace, the disruption occurred one day after the busy labor day weekend. and on that point, according to data from flight aware, there were actually more united cancellations during the long holiday weekend then took place today. still, the airline is investigating the precise cause of all of this, norah. it does not believe it to be a cybersecurity issue though. >> norah: errol barnett with that nightmare today, thank you. tonight a major twist in the family murder trial of a prominent south carolina lawyer. attorneys for alex murdaugh are demanding a new trial claiming jury tampering. cbs's mark strassmann has the stunning new details. >> there is no choice but the courts to grant a new trial. >> reporter: for alex murdaugh's lawyers, the bull'seye is rebecca hill, the county court clerk, saying she jury tempered to write a book about the murdaugh murder saga. >> the clerk at court had improper provocations with the jurors, don't be fooled by the testimony, watch out for the body language. >> guilty verdict. >> reporter: last march, murdaugh was found guilty of murdering his wife maggie and son paul. gunned down on their hunting estate by long rifles at short range. his trial flared with part southern gothic, part southern grotesque, a dynastic south carolina family wealthy, wily, and powerful. themes of greed, deceit, recklessness, a defendant admitting from the stand to lying an opioid addiction, and ripping off millions from clients. buster murdaugh, the defendant's son, believes his dad is a psychopath, but not a murderer. and the trial? >> i think it was a tilted table from the beginning. >> reporter: supporting the tampering claim affidavits from a juror and a third dismissed jury. >> from that evidence, a determination will be made if there should be an new trial, but at least there should be a hearing. the court official should never be discussing anything about the testimony or credibility of witnesses. >> reporter: no comment from rebecca hill, the court clerk who is suddenly in the spotlight. the south carolina court of appeals has ten days to respond to this request for an evidentiary area hearing. the latest twist in this true crime saga. norah. >> norah: indeed. mark strassmann, thank you. a scathing ruling today by a panel of federal judges finds alabama's republican-led legislature in defiance of the u.s. supreme court. and tosses out the state's newly drawn congressional map saying it denies fair political representation to black voters. a court appointed official will now draw the lines for next year's elections, creating at least one additional majority black district, which could help democrats pick up another seat in the closely divided house. mitch mcconnell returned to work today with the rest of the senate amid growing concerns of his health, nearly a week after the senate's top republican froze and stood speechless in front of a of reporters for the second time this summer. mcconnell's office released a letter from the capitol's attending physician, there is no evidence that the 81-year-old's has a seizure disorder or that he suffered a stroke or has parkinson's disease. we saw him on the floor today, mcconnell only alluded to that incident saying he has been busy and productive. we turn now to our in-depth look at america student loan crisis. the freeze on federal student loan payments which started more than three years ago at the start of the covid pandemic comes to the end next month. a survey finds half of borrowers expect to be delinquent on their payments. we get more now from cbs's carter evans. >> reporter: richelle brooks knows the power of higher education. the once homeless single mother says college pulled her out of poverty. how many degrees do you have? >> i have a associates degree, bachelor's degree, two masters, a teaching credential, and a doctorate degree. >> reporter: could you have done it without taking out student loans? >> absolutely not. >> reporter: now 36 and a l.a. public school principal, brooks and her fiance are expecting a baby girl, but she never expected her student loan debt would balloon to more than $230,000. that is a big number. >> it is huge. >> reporter: when bills go out again in october, she will owe $700 a month. at that rate, she will be paying off her student loans well into retirement. >> that $700 a month could be food, could be gas, could be bills paid. >> reporter: some people just simply won't be able to make the payment. braxton brewington with the debt collective, a nationwide union of borrowers fighting to erase debt. >> the majority of student debtors have an annual income of less than $75,000. in fact, 40% of student debtors don't actually have a degree. because they have had to drop out of college. they couldn't afford it. >> reporter: interest on these federal loans began accruing again last week. who is going to be impacted the most by this? >> women in particular, black and brown americans, older americans. >> reporter: an oxford economics study suggests the restart of student loan payments will reduce consumer spending by $100 billion a year. >> this comes at a time when we think the economy is going to become more vulnerable and actually slip into a recession at the end of the year. >> reporter: and even though richelle brooks has a $120,000 salary, it won't pay for her three children, rent in los angeles, and her college debt. you are successful. you are putting your degrees to use. >> that's what gets to me. right? you did everything the right way. i did everything that i thought i should do to get ahead. >> reporter: when that bill comes due in october, you can't pay it? >> i can't pay it. and i won't pay it, because i can't. >> reporter: now right now there is a 12 month grace period where your credit won't take a hit if you don't pay your bills, but that interest is still going to accrue. and there are some loan forgiveness programs based on your income and also whether or not you work in public service like principal brooks. and that is something she is going to be looking into. norah. >> norah: there should be help for teachers and nurses and more. carter evans, thank you. caught on camera, the terrifying collapse of a pier sending dozens of people plunging into a lake. we will have the details next. ea lake. we wilill have thehe details n . . sotytyktu isis the firstst-of-its-kiki, once-dailyly pill for moderarate-to-sevevere plaqueue psoriasisis for the chchance at clclear oror almost clclear skin.. itit's like ththe feelingg of findiding your baback... is b back. or findingng psoriasisis can't t deny the s splendor of these t thighs. once-daiaily sotyktutu is pron to getet more peopople clearerer skin than the l leading pilill. don't takeke if you'rere allerc to sototyktu; serious s reactions s can occ. sosotyktu can n lower yourur ay to 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