shooter in maryland. a navy medic allegedly armed with a rifle opening fire, critically wounding two, then driving through a gate at the base. shot and killed by army military personnel. and what we've now learned about the suspect tonight. critical new testimony tonight in the trial of former police officer derek chauvin in the death of george floyd. now nine minneapolis police witnesses testifying against chauvin. tonight, the focus on training. a police lieutenant is shown an image of chauvin, his knee to floyd's neck and is asked, is that a trained neck restraint? the answer, "no, sir." newly obtained images tonight from the southern border. a young boy alone, in tears, approaching a border patrol agent, telling him he'd been abandoned by his group and was scared. tonight, reporting more than 19,000 my grant children are now in u.s. custody. the dramatic rescue. the ship in danger of capsizing. some crew members jumping overboard to escape. you'll see the rescue effort. the new development after that vicious attack against an asian woman here in new york city. what's now happened to the doormen who were reportedly watching. and remembering a respected actor tonight, from harry potter to chernobyl. good evening and it's great to have you with us here on a tuesday night. and we begin tonight with the coronavirus here in the u.s. and this new promise from president biden, that all adults in this country will be eligible for the vaccine two weeks earlier than he had promised, now april 19th. he warned today we're still in a life and death race against this virus. the hope that vaccinations will outpace the variants spreading across this country. deaths on the rise in 21 states, new cases rising in 19 states. and that uk variant now seen in every state in this country. the cameras late today, moving up that deadline. every adult will be eligible, again, by april 19th for the vaccine. and saying this is not over yet, because of those highly contagious variants. but that if we take precautions, that we can enjoy a safe, happy fourth of july. so many states seeing alarming upticks. michigan among the hardest hit by the uk variant at beaumont hospital in deerborne, for one. patients waiting for a bed to open up all over again. cases rising among younger americans and the unvaccinated. and authorities are keeping a close eye on youth sports now as a potential place for easy spread of the virus. about 80% of teachers, school staff and child care workers have now received at least one shot. that's good news. 107,609,000 people have received at least one dose in this country. that's nearly 42% of all adults now. so tonight here, the new timetable and the urgent race to beat the variants. abc's eva pilgrim leads us off from michigan tonight. >> reporter: tonight, a new cause for alarm in this country in the race between the vaccine and the variants. doctors inside beaumont hospital in michigan say they're facing a surge all over again. >> just a steep incline in the numbers of patients that are coming in who are really sick. we've got patients who are holding in the emergency room waiting for beds to open up. >> reporter: as many as 70% of the new cases in michigan could be from the more contagious and likely more deadly uk variant. >> we're seeing a lot more younger adults, middle aged adults being affected, getting sick and coming in. >> reporter: pedro gonzalez was a healthy 28-year-old before covid. one of his passions was highlighting small businesses trying to make it through the pandemic. >> just getting that big satisfaction out of knowing that you were able to help somebody in need. >> reporter: but in march, pedro tested positive for covid. he's been on a ventilator for two and a half weeks. >> i thought he was going to be fine. i was, oh, he'll be fine in a few days. he's young, he's strong. nothing's going to happen. but after seeing his situation now, i just want people to be careful, to take care of themselves. >> reporter: his 27-year-old brother, rafael, now infected with covid, too. cases among the young and unvaccinated are growing. late today, president biden moving up his deadline to make all americans eligible for the vaccine to april 19th, two weeks earlier than he had promised. >> in every part of this country, every adult over the age of 18, 18 or older, will be eligible to be vaccinated. no more confusing rules. no more confusing restrictions. >> reporter: 37 states already opening vaccinations for everyone 16 and older. but the president warning the country is only halfway through the vaccination effort. >> we can have a safe, happy fourth of july with your family and your friends in small groups in your backyard. the real question is, how much death, disease and misery are we going to see between now and then? >> reporter: about 80% of teachers, school staff and child care workers have already received at least their first vaccine shot. but the cdc is warning about outbreaks among the young. many tied to youth sports and extracurricular activities. >> we're seeing more and more young people get into serious trouble, namely severe disease requiring hospitalization and occasionally even tragic deaths. >> dr. fauci just today. eva with us now from dear bourn, michigan, tonight. and dr. fauci saying what we heard from dr. jha here on this broadcast last night, that this country is on the brink of another surge. >> reporter: that's right, david. dr. fauci saying, we are at a critical moment, warning that we could just as easily swing up into another surge, making it clear we are in a race to get vaccines into arms before we have another peak. david? >> eva pilgrim leading us off tonight from michigan. eva, thank you. we turn next tonight to that unfolding scene today. police responding to an active shooter in maryland. a navy medic allegedly armed with a rifle opening fire, wounding two sailors. tonight, one critically injured. an alert going out today. the gunman then driving to the gate of the base. he was shot and killed by armed military personnel. and what we've now learned tonight about the suspect. abc's rachel scott on the scene in maryland for us. >> reporter: tonight, the terrifying moments in and around ft. detrick army base in frederick, maryland. >> all units, 1043, city is operating on an active shooter event. >> reporter: authorities say this is where the gunman, a navy medic, opened fire with a rifle around 8:00 a.m. this morning. >> we have a male subject in an army type suit. >> carrying a long rifle. >> reporter: shooting and critically wounding two sailors, working at a naval biological research facility located in this business park. those two victims airlifted to a baltimore hospital. tonight, one still fighting for his life. the other released just moments ago. is there any end case the suspect knew these victims? >> that's something that our authorities are looking into, to find out the relationships. why it began here. >> reporter: a naval spokesperson telling abc news, the victims were coworkers with the alleged gunman, identified as 38-year-old fantahun girma woldesenbet. minutes after the shooting, the suspect fled to ft. detrick army base where he was assigned, speeding past a checkpoint, and taking out his rifle. he was shot and killed by military personnel. tonight, the fbi now on scene, surrounding the suspect's home, still searching for a motive. has a violent incident like this ever happened before on the base? >> not to this magnitude. not that i'm aware of, not to this magnitude on ft. detrick. but in light of what's happened, you know, certainly across the country, we were about as well prepared for it as we could be. >> so, let's get to rachel, she's at ft. detrick tonight. and rachel, it seems quick action by the police, getting that alert out helped alert the base, the security there you and really seemed to prevent this from becoming even worse. >> reporter: yeah, david. officials say that warning allowed them to act fast, just minutes after that suspect sped across that checkpoint. he was cornered by authorities. do train for these active they - shooters scenarios. david? >> rachel scott tonight. thank you, rachel. we turn next this evening to critical testimony today in the trial of former officer derek chauvin in the death of george floyd. tonight, a key number. now nine minneapolis police witnesses testifying against chauvin. and for much of this day, the focus was on training. a police lieutenant is shown an image of chauvin, his knee to floyd's neck and was asked, is that a minneapolis police department trained neck restraint. the answer? "no, sir." the defense then cross examining. and abc's alex perez in minneapolis again tonight. >> reporter: rprosecutors today building a wall of police witnesses, trying to convince the jury former officer derek chauvin used excessive force against george floyd and failed to help him when he became unresponsive. sergeant ker yang, who leads the department's crisis intervention training, testified chauvin was taught to de-escalate crises. he took a 40-hour course in 2016. >> a lot of the time we have the time to slow things down and re-evaluate and reassess. >> reporter: lieutenant johnny mercil, a use of force instructor, shown this picture and making it clear chauvin crossed a line. >> sir, is this an mpd trained >> no, sir.int?- >> has it ever been? >> not to my know -- neck restraint? no, sir. >> once a subject is under control and no longer resistant, it's inappropriate to hold them in a position where you're draping your knee across their back or neck, isn't it? >> i would say it's time to de-escalate force, sir. >> reporter: officer nicole mackenzie coordinates medical support services for the epartment. prosecutors using her to counter the defense argument chauvin wouldn't have known floyd was in distress because he was still talking. >> there is a possibility that somebody could be in respiratory distress and still be enabled to verbalize it. just because they're speaking doesn't mean they are breathing adequately. >> reporter: the defense team argues the crowd that gathered around the officers created a distraction and a threat. >> have you ever had to perform emergency services in a -- not even just a hostile crowd, but a loud, excited crowd. >> yes. >> is that in your experience more or less difficult? >> it's incredibly difficult. >> does it make it more likely that you may miss signs that a patient is experiencing something? >> yes. >> reporter: nine minneapolis police witnesses have already testified against chauvin, including the department's chief, medaria arradondo. today, floyd's family praying outside the court, closely following every second of the proceedings. his brother sounding confident they'll get justice. >> my family, we have the faith. after we get this verdict, and we get this conviction, we'll be able to breathe. >> so, let's bring in alex perez with us again tonight from minneapolis and alex, you reported there now, nine minneapolis police witnesses testifying against derek chau vip, rare, given so often that blue wall of silence, sticking together within the force. and prosecutors also bringing in expert witnesses from other police departments, as well? >> reporter: yeah, david, the prosecution bringing in outside experts, a sergeant with the los angeles police department testifying today he said chauvin's actions were excessive. the prosecution really trying to hammer home that what chauvin did is not what officers are trained to do. david? >> all right, alex perez, we'll see you right here tomorrow night. and we turn now to new and difficult images from the southern border. a young boy, alone, in tears, approaching a border patrol agent, telling him he'd been abandoned by his group and was scared. tonight, reports more than 19,000 my grant children are now in u.s. custody, and our chief national correspondent matt gutman just back from the border on this again tonight ch. >> reporter: tonight, the fear etched on that 10-year-old's face. and the hurt in his voice. "can you help me" he asks a border patrol agent who found the little boy, that solitary figure wandering on a barren field near the u.s./mexico border in southern texas. through the tears, the boy says he wasn't traveling with his mom or dad, he was abandoned, ditched, in his words, by the migrant work he was traveling with. >> reporter: sobbing, the boy telling the agent he was scared of getting robbed, or worse, kidnapped. >> reporter: thankfully he was found by authorities and reportedly taken to this child detention center in donna, texas. we just returned from texas after flying over that same facility, now rapidly expanding to handle the thousands of additional migrant children and teens expected. abc news has learned there are now over 19,000 migrant children in federal custody. and the donna facility, recently so crowded that children were forced to take turns sleeping on the floor. >> and matt gutman with us from l.a. county tonight, where officials, i know, are setting up a massive new facility there to house migrant children, as well. and matt, you're learning more tonight about that young boy? >> reporter: border officials, david, tell me that they are assured that he is now safe and they are working him through the system. they believe that sometime in the next few weeks he will be handed over to family members here in the united states, but david, that is a process that is on average lasting more than five weeks, so still a long road ahead for that little boy. david? >> matt gutman live in california tonight. matt, thank you. next, families near the site of that toxic was water lake near tampa, florida, are now going home tonight. florida officials have lifted the evacuations now and have opened most of the nearby roads. pumps have siphoned off millions of gallons of that waste water, reducing the risk of catastrophic flooding. a submersible device will be on site tomorrow looking to plug the actual leak. authorities acknowledging some of the water has drained into tampa bay, now raising concerns about damage to the environment. overseas tonight and to dramatic images of a rescue in rough seas off norway. a dutch cargo ship in danger of capsizi capsizing. some crew members jumping overboard to escape. here's our senior foreign correspondent ian pannell tonight. >> reporter: tonight, a daring, dangerous rescue mission on the high seas. a dozen crew members stranded on this dutch cargo ship in stormy weather off the coast of norway late monday after its main engine lost power. watch as norwegian rescuers, helmet cams rolling, swoop in by helicopter, plucking most of the crew off the deck and up into the relative safety of the chopper. the vessel supposed to transport yachts and boats around the world, now listing perilously, tossed around in giant 50-foot waves. this crew member forced to leap into the rough, frigid surf. the water temperature in the low 40s. lucky and grateful to be alive. david, tonight, two tug boats are racing out to that ship to prevent it from sinking. that could lead to tons of oil and diesel spilling into the north sea. david? >> ian pannell with us tonight. ian, thank you. and back in this country, arkansas has passed the first law of its kind in the u.s., the first state banning youth treatment for transgender minors. enacting a ban on treatments and surgeries for transgender youth. the law prohibits doctors from giving the medical care to patients under the age of 18. state legislatures there overriding the governor's veto to then pass the law. when we come back here tonight, new developments in the growing sexual misconduct allegations against an nfl star. we started with computers. we didn't stop at computers. we didn't stop at storage or cloud. we kept going. working with our customers to enable the kind of technology that can guide an astronaut back to safety. and help make a hospital come to you, instead of you going to it. so when it comes to your business, you know we'll stop at nothing. not everybody wants the same thing. that's why i go with toliberty mutual, — they customize my car insurance so i only pay for what i need. 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we're adopted. >> jonathan, madeleine and benjamin on their big new dreams. >> when i grow up i want to be a sketch artist for the police. >> i want to be a baker. >> i want to help foster kids. >> and the oldest jonathan with his message to other children just like him. >> even if it takes a long time, you'll still find the perfect family for you, too. >> bye, david! bye, everybody! >> the hope for all children out there, now their forever family. i'll see you tomorrow. good night. moving forward finding solutions. this is abc7 news. news. news. >> we are seeing death rate and mortality rates go down. we see case rates stabilize. we see that if we keep the pace. we are moving now beyond the blueprints. we can confidently say by june 15, that we can start to open up as business 15 month after the pandemic stay-at-home order began, california announces a date for reopening. that is only if we stay vigilant. it is not a guarantee. good afternoon. thank you for joining >> the governor says vigilant in. he says continue to wear those masks and get vaccinated. stephanie sierra is breaking down the timeline for us live in the newsroom. certainly, a promising sign. >> it really is. this is the first time we heard the governor speaking freely with phrases getting back to business as usual. he pointed out we have to remain vigilant as the variants are still a deadly threat. >> as california read reaches a significant milestone reaching quincy -- 20 million vaccines, the governor shared a glimmer of hope. >> we can confidently say by june 15, we can start to open up as business as usual. >> in 10 weeks, the state will be eliminating the colored tiered system to fully reopen the economy. this means large-scale indoor events like conventions could resume if testing or vaccinations are verified. most capacity limits would be lifted assuming there is sufficient vaccine supply, hospitalizations remain low, and safety measures are followed. >> it is imperative that we