cbs's manuel bojorquez takes a look at the problem and some potential solutions. >> reporter: it was the first day of school in los angeles county, the nation's second largest district. but the national teacher shortage is affecting smaller systems too, like charter schools in phoenix, arizona. >> i think the long-term danger on this is we're kind of unprepared for the shortage. >> could it get worse? >> i think we are probably at the peak of the problem. >> reporter: the charter system's ceo says one temporary solution, recruiting teachers from abroad. a third of the teachers here are from other countries. in florida, school districts are also hiring foreign teachers. madeline narca from the philippines is teaching chemistry at osceola public schools through a cultural exchange program. >> i'm really very grateful for this opportunity given to me and to the rest of the teachers who are here in the u.s. >> reporter: still, it's not meant to be a solution to the teacher shortage or as some see it, the need to improve teachers' salaries and working conditions to attract more candidates

manuel bojorquez, thank you.e investigation after a woman is apparently killed by an alligator in south carolina. ♪ ♪ this is the moment. for a treatment for moderate-to-severe eczema. cibinqo — fda approved. 100% steroid free. not an injection, cibinqo is a once-daily pill for adults who didn't respond to previous treatments. and cibinqo helps provide clearer skin and less itch. cibinqo can lower your ability to fight infections, including tb. before and during treatment, your doctor should check for infections and do blood tests. tell your doctor if you've had hepatitis b or c, have flu-like symptoms, or are prone to infections. do not take with medicines that prevent blood clots. serious, sometimes fatal infections, lymphoma, lung, skin and other cancers, serious heart-related events, and blood clots can happen. people 50 and older with heart disease risk factors have an increased risk of serious heart-related events or death with jak inhibitors. this is the moment. but we've only just begun. speak with your d

manuel bojorquez, cbs news, miami. >>> coming up, new findings in the deadly shooting on the set of the alec baldwin movie "rust." what investigators found and how it compares to what alec baldwin said. >>> and infant rockers recalled. hould they couldger "cbs mornin" i like that tune. eliquis. eliquis reduces stroke risk better than warfarin. and has less major bleeding than warfarin. eliquis has both. don't stop taking eliquis without talking to your doctor as this may increase your risk of stroke. eliquis can cause serious and in rare cases fatal bleeding. don't take eliquis if you have an artificial heart valve or abnormal bleeding. while taking, you may bruise more easily... or take longer for bleeding to stop. get help right away for unexpected bleeding, or unusual bruising. it may increase your bleeding risk if you take certain medicines. tell your doctor about all planned medical or dental procedures. the #1 cardiologist-prescribed blood thinner. ask your doctor about eliquis. my grandma never mentioned this, but her first job was working at a five and dime, when she was only 16

here's cbs's manuel bojorquez. >> here we go. >> reporter: they arrive here nervous, sometimes sick,lways into new experiences. >> having their feet on the grass for the first time ever. >> the first time ever? >> the first time ever. these dogs have not touched a surface that hasn't been rubber since they were born. you're seeing them getting to run and hop. they've never done that before. >> reporter: sue bell is executive director of homeward trails adoption center in fairfax station, virginia. a code tattooed inside the dogs' ears a sad reminder of their recent past. >> the puppies that were born, they would stay to a certain age and then be put in plastic crates and sent either by truck or by airplane to research facilities, where they would then spend their life in a cage undergoing any number of medical or scientific research projects. >> reporter: but the research company breeding them shut this operation down. now an army of workers and volunteers is helping the humane society move the dogs to shelters across the country. 4,000 beagles. as they arrive at sue bell's adoption

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here's cbs's manuel bojorquez. >> here we go. >> reporter: they arrive here nervous, sometimes sick,nd always into new experiences. >> having their feet on the grass for the first time ever. >> reporter: the first time ever? >> the first time ever. these dogs have not touched a surface that has not been rubber since they were born. you're seeing them run and hop. they've never done that before. >> reporter: sue bell is director of a rese center in fairfax, virginia. a tattoo inside the dogs' ears, a sad reminder of their recent past. >> the puppiesbosh, they would stay to a certain alien and put in plastic crates and sent by truck or airplane to research facilities where they would then spend their life in a cage undergoing any number of medical or scientific research projects. >> reporter: but the research company breeding them shut this operation down. now an army of workers and volunteers is helping the humane vote move the dogs to shelters across the country, 4,000 beagles. as they alive at sue bell's adoption center, so did the dog lovers like andrea justice. >> we don't need mo

manuel bojorquez reports. >> reporter: one by one they're carried out of this van, nervous, yes, butn the arms of volunteers at home ward trails in fairfax station, virginia, who want to nurture them. >> there you go. >> reporter: and as executive director sue bell says, let them just be dogs. >> having their feet on the grass for the first time ever. >> reporter: the first time ever? >> the first time ever. these dogs have not touched a surface that hasn't been rubber since they were born. >> reporter: the day includes assessing the dog's health and needs. the inspection reveals the series of letters and numbers tattooed inside their ears by the breeders to identify them. >> the puppies that were born, they would stay until a certain age and then be put in plastic crates and be sent to research facilities where they would spend their life in a cage undergoing any number of medical or scientific research projects. >> reporter: video taken during the months long operation by people for the ethical treatment of animals shows the cumberland virginia breeding facility run by envigo. the

tonight cbs' manuel bojorquez takes us to a texas border town. >> reporter: after being processed athe border, some asylum seekers arrive just a few miles away at the val verde border humanitarian coalition in del rio, texas. a pit stop as they await a bus to their next destination, like edison gutierrez from venezuela who has it written down. >> midland, texas. >> reporter: another venezuelan, angie cordero and her 10-year-old daughter joanis know what they left behind. the hunger? >> si. >> reporter: no jobs, no trabajo. they don't know what lies ahead. you're in limbo? you don't know where you're going the go. >> reporter: they may end up about 150 miles away at a facility in san antonio where the state of texas preps buses that will take some migrants to their choice of washington, d.c. or new york city. bussing migrants out of texas is nothing new, but as the number of apprehensions along the texas border remain at record highs, it's become the latest flash point in the debate over the nation's immigration policies. >> for those who live in the northern parts of our country, it'