we have it all. graphic testimony in the trial of ghislaine maxwell. the first accuser on the stand, claiming jeffrey epstein sexually assaulted her when she was just 14. telling the jury about the only other person she says was most often in the room. the major reveal today amid jury selection in the trial of former police officer accused of killing daunte wright. body camera video showing officer kim potter confusing her gun for her taser, yelling taser, taser, taser, then firing the fatal shot. she will now take the stand. former president trump's former chief of staff mark meadows now cooperating with the house committee investigating the january 6th capitol riot. what we've learned tonight. news coming in now, the major new development in the investigation of that deadly movie set shooting in santa fe. after following the case of former governor andrew cuomo, tonight the breaking news involving his brother, anchor chris cuomo. tiger woods in front of the cameras today. and our made in america christmas. your ideas already pouring in. >> announcer: from abc news world head quarters in new york, good evening.s to great to have you with us on a busy tuesday night. there's breaking news on this omicron variant, what the cdc is doing to track this. we begin with the deadly school shooting at oxford high school in michigan. three students killed, at least eight others injured including a teacher. an alleged lone gunman, a 15-year-old student is in custody. multiple agencies responding to the call of an active shooter. ambulances in the driveway. the school principal getting on the p.a. the stories of students barricading themselves inside. teachers barricading the doors with tables. some students climbing through a window running for their lives. others carried out on stretchers to the ambulances waiting outside. of course that sadly familiar story line. students taken to a nearby location, this time a super market to wait for their parents. abc's chief justice correspondent pierre thomas leading us off tonightonightonih >> reporter: today at yet another school, students teachers, and parents terrified and scrambling after shots fired on campus. >> they're requesting medical assistance. multiple ambulances if possible. >> reporter: this time at oxford high school some 40 miles north of detroit. this tiktok video showing students in the classroom running for their lives. >> we are now looking at at least eight law enforcement officers with long guns who are entering the school. >> reporter: three studenting killed, eight others shot, including a teacher. student john edwards describing the chaos to our affiliate wxyz. >> over the p.a. we hear our principal, mr. wolf, shouting, alice, lockdown, alice lockdown. and then we heard the gunshots in the class. and so we locked down turned the lights off. our teacher got paper taped over the window on the door and got his two big tables and barricaded the door. i was just scared. i was praying for, you know, my safety, my friend's safety. you know, everyone's safety. >> reporter: edwards able to call his mother. >> i could hear the fear in his voice. and i tell him, i said, baby i'm on my way. i've never been so scared in my life. >> reporter: school officials left reeling. >> i'm shocked. it's devastating. >> reporter: the suspected shooter a 15-year-old sophomore at the school, allegedly armed with a semi-automatic handgun. >> he fired multiple shots. i can tell you that we've recovered multiple shell casings in the school. we're thinking, you know, 15 to 20 shots that were fired. >> reporter: treshan bryant telling wxyz he was worried something would happen at school today so he says he stayed home. >> so you had been hearing that there was going to be a possible shooting at the school. >> there was no word on tonight police are conducting a search at the young man's home. they do not believe anyone acted with him. david? >> pierre thomas, thank you. we move on to the new variant omicron, now spreading across the globe and what dr. rochelle walensky said about what's being done in the u.s. she said one out of every seven new cases is being sequenced. now confirmed cases in at least 20 countries. this evening the seemingly different messages from moderna and pfizer about the vaccines and how well they might protect people against omicron. tonight why the left of antibodies in your system after both vaccine shots and the booster is so important. here's abc's stephanie ramos. >> reporter: with the new variant spreading around the globe, the cdc director tonight says the country is on high alert and expanding surveillance in search of the first omicron case in the u.s. >> we have the tools and surveillance in place to identify the omicron variant. we also have the tools to prevent omicron from increasing the strain on our society and our health care system. >> reporter: the administration offering free covid testing for some international travelers at airports in new york, atlanta, newark and san francisco. and labs around the country sequencing one in seven covid positive test samples. i'm here at new york state department of health, wadsworth lab in albany, new york, where scientists are taking a closer look at positive covid samples, about 800 of them a week. researchers here started hunting for omicron just as soon as the variant, with its 50 mutations, was identified. >> is it possible it's in the air and that it's already here in the u.s.? >> that is absolutely entirely possible. the statistical power of the sequencing programs and the surveillance programs is pretty high. so i think we should see it fairly promptly. >> reporter: more than 240 cases of omicron have now been confirmed in 21 countries. but tonight there are new questions about where it originated. dutch officials now confirming two cases of omicron were in the netherlands before it was detected in passengers arriving friday from south africa. covid cases in south africa spiking 53% in just the last day. 10% of hospital admission in the omicron epicenter there are reportedly unvaccinated children under 2 years old, a simil trend seen during the delta wave. but after some doctors reported omicron symptoms in south africa are mild, dr. anthony fauci cautioning that it's too soon to draw conclusions. >> the physicians, mostly private physicians, who've been seeing patients, are seeing that they appear to be a less of a severity of illness. most of those are many younger individuals. we believe that it is too soon to tell what the level of severity is. >> reporter: the white house today reassuring americans that if necessary, it would take about three months for vaccines makers to update the vaccine for omicron and get shots into arms. >> the estimate of a few months is all inclusive. >> reporter: just hours after moderna's ceo warned the vaccines will be less effective at tackling omicron, saying all the scientists i've talked to say this is not going to be good, the founder of pfizer's partner biontech said even if the variant brings more breakthrough infections, the vaccine should protect the vaccinated from severe illness. tonight authorities reminding americans a booster might be the best protection saying antibody levels are higher after the third shot. >> we know from every variant that we have dealt with that the more neutralizing antibodies you have on board, the more effective those vaccines are against variants. and we expect, even if it's not perfect, certainly the more neutralizing antibodies, the fact that you're boosted, the greater protection you can have. >> reporter: dr. anthony fauci ecoing that point just today. >> particularly when you boost it, you get a level so high, that even if the mutations of various variants diminish that level of protection, you're still within the range of some degree of protection. >> continuing to saying there will be some degree of protection. news tonight the fda panel has voted of authorizing merck's anti-viral pill for covid. it's the first anti-viral pill approved? >> reporter: the pill was found to be 30% effective. advisers questioned whether it would be safe for children and pregnant women. the final decision now goes to the fda, but this would be the first anti-viral covid pill you can take at home with a prescription. david? >> another tool perhaps. stephanie, thank you. we turn to the difficult testimony in the sex trafficking trial of ghislaine maxwell, jeffrey epstein's friend and alleged aye co alleged accomplice. the witness claiming epstein began assaulting her when she was 14. here's abc's erielle reshef. >> reporter: tonight, socialite ghislaine maxwell, close associate of convicted sex offender jeffrey epstein, face to face with one of her accusers in a criminal trial gaining international attention. the woman, identified only by the pseudonym jane telling the jury that she met maxwell and the disgraced financier the summer after 7th grade at a prestigious camp where he was a major donor. jane claiming her first sexual contact with epstein was at his palm beach house in 1994 when she was just 14 and that those sexual encounters, including explicit massages, happened during every visit. and when asked who was most often in the room, other than ghislaine maxwell, pointing to the 59-year-old, alleging it was maxwell who showed her how jeffery likes to be massaged. >> this is very powerful, very emotional, very personal testimony coming from this witness. >> reporter: earlier today epstein's long time pilot larry visoski testifying that epstein introduced him to jane in the cockpit more than two decades ago -- remembering her as a mature woman, with piercing, powder blue eyes. but claiming he did not know her age. visoski also saying he only knew who was on board the jet if it was someone noteworthy, like former presidents bill clinton, donald trump and prince andrew, all of whom are known to have socialized with him in the past. visoski emphatic he never saw any sexual activity on board. maxwell has pleaded not guilty t all six federal counts. her defense team and family arguing she has been "a scapegoat" for authorities since epstein died by suicide while in jail awaiting trial for alleged sex crimes. the challenge for prosecutors is making sure they don't focus too much on jeffrey epstein. >> reporter: maxwell's attorneys questioned 30 years that have gone by. they'll continue their cross examination tomorrow. david? jury selection is under way in the trial of minnesota police officer kim potter in the killing of daunte wright. today her attorneys telling jurors she will testify. here's alex perez. >> reporter: tonight, the bombshell revelation in court. defense attorneys announcing during jury selection that former police officer posays sh, will take the witness stand in >> if you're selected, officer potter will testify and tell you what she remembered happened. >> reporter: four your jurors selected today, four men and two women. potter, who's charged with first and second degree manslaughter, says she pulled 20-year-old wright over for expired tags, when she discovered he had a warrant for his arrest. lawyers for potter, a former 26-year police veteran, argue she intended to grab her taser when she mistakenly grabbed her gun, and pulled the trigger. >> i'll tase you! i'll tase you! taser taser taser! >> reporter: we've frozen the body camera video just before potter fires the single bullet to the chest, killing wright, the father of a young son. >> holy [ bleep ] i just shot him! >> reporter: wright's family demanding justice. >> he should be here with us now. he didn't deserve this. >> reporter: david, this is only the second time a trial in minnesota is streamed to the public. this first was of derek chauvin. in fact the potter case is happening in the same courtroom. david? >> alex perez with us tonight. thank you. >> reporter: from washington tonight former president trump's chief of staff is now cooperating with the committee investigating the january 6th riot. tonight the house committee announcing meadows produced documents to the committee. to the economy and wall street reacting to jerome powell today and what he said about the uncertainty surrounding the new variant. the dow falling 652 points, nearly 2%. powell testifying before congress. >> the recent rise in covid-19 cases and the emergence of the omicron variant pose risks to the economy and inflation. >> the market reacting to news powell suting he could remove pandemic support. we've been following the investigation involving former new york governor andrew cuomo. tonight the news on his brother, cnn anchor chris cuomo. i help others. but i need to help protect myself. honestly? i couldn't afford to get sick. i want to be there for this one. i can't if i'm sick. pneumococcal pneumonia is a potentially serious bacterial lung disease. you may be at risk if you're 19 to 64 with certain chronic conditions. or if you're 65 or older. don't pause a moment longer. ask your doctor or pharmacist about getting vaccinated against pneumococcal pneumonia today. i brought in ensure max protein, with thirty grams of protein. those who tried me felt more energy in just two weeks! 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they're coming. the singer announcing her new deal with las vegas at caesars palace taking the stage for four months, two shows per weekend january 21st through april 16th. france bestowing its highest honor on josephine baker. an iconic american born performing, a french spy in world war ii. the french president calling her a woman depending humankind. our made in america christmas and the gifts that give more than once. >> announcer: abc's "world news tonight" with david muir sponsored by pacific life. over 150 years of strength and stability. confidence in every step of your journey. ver their dreams is one of the best parts of being a parent. one of the most important is giving them ways to fulfill them. the strength and stability of pacific life. because life insurance can help protect and provide for the financial futures of the ones we love. talk to a financial professional about pacific life. my auntie called me. talk to a financial professional she said uncle's had a heart attack. i needed him to be here. your heart isn't just yours. protect it with bayer aspirin. be sure to talk to your doctor before you begin an aspirin regimen. ♪ ♪ there are beautiful ideas that remain in the dark. but with our new multi-cloud experience, you have the flexibility you need to unveil them to the world. ♪ no one can deliver your mom's homemade short ribs. that's why instacart helps deliver the ingredients. and you add the love. ♪ thousands of women with metastatic breast cancer are living in the moment and taking ibrance. ibrance with an aromatase inhibitor is for postmenopausal women or for men 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, cough, or trouble breathing. before taking ibrance, tell your doctor if you have fever, chills, or other signs of infection, liver or kidney problems, are or plan to become pregnant, or are breastfeeding. for more information about side effects talk to your doctor. ♪ be in your moment. ask your doctor about ibrance. finally tonight our made in america christmas, on this giving tuesday the small businesses giving back too. on this giving tuesday the made in america gifts that gave in more ways than one. in north field, vermont, this sock company hard at work. >> hi, david. >> ian mason a new hire. >> i was ecstatic when i was hired. socks are made in america. >> reporter: for years on giving tuesday darn tough has donated their online sales to the vermont food bank. order online tonight. just listen to this. >> all: hi, david. we donated 1 million meals. >> reporter: 1 million meals donated to the food bank since they started this effort years ago. they're still going tonight. in massachusetts, ipswich river craft. kevin cutting. sarah sanding. emma painting. >> hey, david. >> reporter: the owner with the finished products. what are they making? >> nautical flag signs. every letter in the alphabet has a different flag. so we spell out last names, boat names, initials and we're making one for you. >> reporter: one they say they're making for us. with every plague they sell they give back too. a service plaque. >> this is a service flag. >> reporter: representing a service member's initials. >> we'll give $25 for every sign sold to homes for our troops and that's an organization that basically makes housing for vets that are disabled. >> reporter: they started this in the pandemic. they've now made 1,600 signs revealing what's on ours. >> come look, right over here. it says made in america. >> reporter: tonight eager to be on our made in america christmas list and eager to give back. >> all: made in america. >> we love it. keep your ideas coming. we're just getting started. good night. >> building a better bay area, moving forward, finding solutions. this is abc 7 news. >> we believe we will be able to manage this violence but it will take everyone in the city. larry: oakland police chief addressing violence. i'm larry beil. kristen: i'm kristen sze. you watching abc 7 news at 4:00. larry: there been 127 homicides in oakland this year putting the city on track for the highest number of homicides in nine years. there were 127 in 2012, the highest number since 2006 when there were 145. the highest number since 1985 came in 1992 when there were one hundred 65. -- 100 65. kristen: the oakland police chief spoke today, the city plans to add more officers. larry: why others disagree. >> we will be prepared moving forward. specially trained officers that are trained in de-escalating these situations. >> oakland police chief is stepping up efforts to combat violent crime in the city. the security guard death, cannabis robberies and others happened in the last seven days. >> we have over 600 officers at the department, the smallest staff we have had in several years. >> the city is pushing to add more officers in the coming weeks. the chief says 22 cadets will soon graduate and join the department. those advocating for defunding police are nervous about more patrols. this person says the city needs to put