NBC Nightly News Full Episode - April 7

>>> TONIGHT THE. MARKETS TAKE A WILD. RIDE. CHAOS AND CONFUSION. FROM WALL STREET TO. WASHINGTON. MARKETS TODAY. PLUNGING, SOARING, AND. PLUNGING AGAIN BEFORE. CLOSING FOR THE DAY. TOP BUSINESS LEADERS. WARNING OF THE. ECONOMIC IMPACT OF THE. PRESIDENT'S TARIFFS. TRUMP DEFENDING HIS. PLAN AND THREATENING. TO HIT CHINA WITH EVEN. BIGGER FEES. >>> EVACUATIONS AND.

RESCUES AS DEADLY. FLOODWATERS THREATEN. COMMUNITIES ACROSS THE. MIDWEST AND SOUTH. THE SMALL PLANE THAT. SKIDDED OFF A RUNWAY. IN OREGON AND ENDED UP. SUBMERGED IN THE BAY. THE SUPREME COURT. WEIGHING IN SAYING THE. MARYLAND FATHER. MISTAKENLY SENT TO EL. SALVADOR'S NOTORIOUS. PRISON BY THE TRUMP. ADMINISTRATION TO STAY. WHERE HE IS FOR NOW. ALL AFTER HE WAS. ORDERED TO RETURN TO. THE U.S. BY A FEDERAL. JUDGE. >>> THE GROWING WORRY. IN WEST TEXAS OVER THE. WORSENING MEASLES. OUTBREAK. A SECOND CHILD DEAD. >>> WHAT HELPED.

SECRETARY ROBERT F. KENNEDY JR. IS SAYING. ABOUT VACCINES. AND THE EXCLUSIVE. INSIDE THE. PENNSYLVANIA MINE USED. FOR FEDERAL PAPERWORK. THAT ELON MUSK'S DOGE. TEAM LIKENED TO THE. DIGITAL STONE AGE. >>> THE DAYCARE. DEBATE. SHOULD CHILDREN BE. GIVEN MELATONIN FOR. NAP TIME WITHOUT THEIR. PARENTS' KNOWLEDGE. >>> AND ANN THOMPSON. ON THE PENGUINS OF A. CERTAIN AGE AND A. SPECIAL ISLAND MADE.

JUST FOR THEM. >> Announcer: THIS IS. "NBC NIGHTLY NEWS". WITH LESTER HOLT. >> GOOD EVENING. WELCOME. THE MARKETS STILL. SPOOKED BY PRESIDENT. TRUMP'S TARIFFS TOOK. INVESTORS ON A WILD. RIDE TODAY. STILL THE DOW. FINISHING IN THE RED. THE NASDAQ EKING OUT. SMALL GAINS. THE S&P 500 FINISHING. AT A LOSS. ALL AFTER THE. PRESIDENT REJECTED. PUMPING THE BRAKES ON. TARIFFS AND THREATENED. TO MOVE FORWARD WITH. ADDITIONAL 50% TARIFFS. ON CHINA IF CHINA. MOVES FORWARD WITH. RETALIATORY TARIFFS OF. ITS OWN.

THE MARKETS RALLIED. EARLY IN THE DAY ON A. FALSE REPORT THAT A. 90-DAY PAUSE MIGHT BE. IN THE CARDS. INSTEAD, THE PRESIDENT. SAYING, WE'RE NOT. LOOKING AT THAT, HOLDING FAST TO HIS. BELIEF THAT TARIFFS. WILL LEVEL THE TRADE. PLAYING FIELD. MR. TRUMP ALSO. SPEAKING OF THE. TARIFFS AS PERMANENT, LEAVING THE DOOR OPEN. TO BARGAINING. GABE GUTIERREZ LEADS. OFF OUR COVERAGE. >> Reporter: AFTER A. ROLLER COASTER DAY ON. WALL STREET, PRESIDENT. TRUMP IS DOUBLING. DOWN. >> WE CANNOT BE TAKEN.

ADVANTAGE OF ANY. LONGER. >> Reporter: NOW EN. BIGGER TARIFFS ON. IMPORTS FROM CHINA. 50% IF THE COUNTRY. DOES NOT REVOKE ITS. RETALIATORY TARIFFS ON. AMERICAN PRODUCTS SOLD. THERE. >> I HAVE GREAT. RESPECT FOR CHINA. THEY CAN'T DO THIS. WHEN COUNTRIES DON'T. ALLOW US TO SELL OUR. PRODUCTS BUT WE ALLOW. THEM TO SELL THEIR. PRODUCTS, THOSE DAYS. ARE OVER. >> Reporter: THE DOW. SWINGING 2,600 POINTS, THE MOST IN ONE DAY. EVER, FINALLY CLOSING. DOWN MORE THAN 300.

POINTS. THE NASDAQ UP. SLIGHTLY. THE MARKETS HAVE. PLUMMETED THIS. MORNING. THE S&P 500 AT ONE. POINT GAINING BACK. $2.4 TRILLION IN. MARKET VALUE BECAUSE. OF AN INCORRECT REPORT. THAT THE PRESIDENT WAS. CONSIDERING PAUSING. SOME TARIFFS. >> WE'RE NOT LOOKING. AT THAT. WE HAVE MANY, MANY. COUNTRIES THAT ARE. COMING TO NEGOTIATE. DEALS WITH US. >> Reporter: AT LEAST. 50 COUNTRIES, THE. ADMINISTRATION SAYS. >> SEE, A BEAUTIFUL. PICTURE AT THE END. IT'S THE ONLY CHANCE. WE'LL HAVE TO RESET. THE TABLE ON TRADE. AND WHEN WE DO, WE'LL.

COME OUT UNBELIEVABLY. WELL. WE'LL HAVE A STRONG. COUNTRY ECONOMICALLY. AGAIN. >> Reporter: TODAY. ISRAELI PRIME MINISTER. BENJAMIN NETANYAHU. BECAME THE FIRST WORLD. LEADER TO LOBBY THE. PRESIDENT IN PERSON. AFTER HE SLAPPED ALL. COUNTRIES WITH A. BASELINE TARIFF OF. 10%, WITH MANY CHARGED. MUCH MORE. ISRAEL HIT WITH 17%. >> WE WILL ELIMINATE. THE TRADE DEFICIT WITH. THE UNITED STATES. WE INTEND TO DO IT. VERY QUICKLY. >> Reporter: THE. EUROPEAN UNION IS. OFFERING TO SLASH. TARIFFS ON. AMERICAN-MADE CARS AND. INDUSTRIAL PRODUCTS,

EVEN AS THEY CONSIDER. RETALIATORY MEASURES. OF ITS OWN. >> EUROPE IS ALWAYS. READY FOR GOOD DEALS. SO WE KEEP IT ON THE. TABLE. >> Reporter: MEANWHILE, THE WHITE. HOUSE IS BRUSHING OFF. CRITICISM FROM. DEMOCRATS OVER THE. PRESIDENT PLAYING GOLF. IN FLORIDA OVER THE. WEEKEND AS AMERICANS. WORRIED ABOUT THEIR. RETIREMENT SAVINGS. >> PRESIDENT TRUMP, FIND A WAY TO PUT DOWN. THE GOLF CLUBS AND. PICK UP THE FINANCIAL. PAPERS. TAKE A REAL LOOK AT. WHAT'S GOING ON HERE. BECAUSE IT'S ANYTHING. BUT GREAT.

>> Reporter: EVEN KEY. TRUMP ALLY SENATOR TED. CRUZ IS WARNING. REPUBLICANS --. >> IF WE GO INTO A. RECESSION, PARTICULARLY A BAD. RECESSION, 2026 IN ALL. LIKELIHOOD POLITICALLY. WOULD BE A BLOOD BATH. >> Reporter: BUT MANY. REPUBLICANS ARE STILL. BACKING THE. PRESIDENT'S EFFORTS TO. BOOST AMERICAN. BUSINESSES. >> I APPRECIATE WHAT. THE PRESIDENT IS DOING. ON TARIFFS, SPECIFICALLY IN OUR. HOME STATE OF WYOMING. IN TERMS OF BEEF, THE. CATTLE PRODUCERS ARE. SAYING IT'S ABOUT. TIME. >> Reporter: THE AUTO. WORKER UNION MEMBER. SUPPORTS THE.

PRESIDENT'S PLAN. HE THINKS IT WILL HELP. CREATE MANUFACTURING. JOBS IN THE U.S., THAT. THE MARKET VOLATILITY. WILL BE WORTH IT. >> THIS IS SOMETHING. TO RIDE OUT. TRUMP HAS BEEN. CONSISTENT WITH THE. MESSAGE FOR 40 YEARS. ABOUT THE IMPORTANCE. OF MANUFACTURING BASE. IN A, YOU KNOW, FIRST. WORLD, SUPER POWER. COMPANY NEEDS TO HAVE. THAT. >> Reporter: EMILY. OWNS A SMALL PAPER. PRODUCTS COMPANY THAT. IMPORTS HEAVILY FROM. CHINA. SHE'S NOW SUING THE. TRUMP ADMINISTRATION.

AND EXPECTS TO PAY. MORE THAN $600,000 IN. TARIFFS OVER THE NEXT. YEAR. IS THIS SUSTAINABLE? >> ABSOLUTELY NOT. I THINK WHAT IS. HAPPENING IS WE'RE. SEEING OURSELVES BEING. USED AS CHECKER. PIECES, IN AN. INTERNATIONAL TRADE. WAR BOARD GAME. >> Reporter: PRESIDENT. TRUMP MADE HEADLINES. ABOUT COMMENTS HE MADE. ABOUT IRAN. TELL US ABOUT IT. >> Reporter: PRESIDENT. TRUMP SAID THE U.S. WILL HOLD DIRECT TALKS. WITH IRAN ON SATURDAY. TO DISCUSS A NEW. NUCLEAR DEAL, SAYING.

IRAN WILL BE IN, QUOTE, GREAT DANGER IF. THE TALKS DON'T. SUCCEED. HE PULLED OUT OF THE. LAST DEAL IN 2018 AND. NEGOTIATORS FROM THE. 20 COUNTRIES HAVE NOT. MET FACE THE FACE IN A. DECADE. >> ALL RIGHT. THANK YOU. >>> MANY CEOs HAVE. BEEN CAREFUL NOT TO. PUBLICLY CRITICIZE THE. PRESIDENT BUT TONIGHT. SOME TOP BUSINESS. LEADERS ARE ISSUING. WARNINGS ABOUT THE. TRADE WAR. WHAT ARE THEY SAYING? >> THE BILLIONAIRE. BILL ACKMAN CALLING IT. A MISTAKE.

ASKING FOR A PAUSE. PAUSE. OTHERWISE, WE ARE. HEADING FOR A. SELF-INDUCED ECONOMIC. NUCLEAR WINTER. LARRY FINK SAID THE. ECONOMY IS WEAKENING. AS WE SPEAK. AND IN A LETTER TO. SHAREHOLDERS, JPMORGAN. CHIEF SAID IT WILL. WORSEN INFLATION AND. SLOW DOWN GROWTH. EVEN ELON MUSK SAYING. EUROPE AND THE U.S. SHOULD BE LOWERING. TARIFFS TO A 0 TARIFF. SITUATION. THE ADMINISTRATION. OFFICIALS ON THE. AIRWAVES, DOWNPLAYING. THE MARKET TURMOIL AS. SHORT-TERM PAIN. >> THANKS. >>> TONIGHT, URGENT.

RESCUE UNDERWAY AS. HEAVY FLOODS BLAST. STATES. SOME OF THEM EVEN. SETTING RECORDS FOR. RAINFALL. MAGGIE REPORTS FROM. HARD-HIT TENNESSEE. >> Reporter: TONIGHT, A SLOW-MOTION DISASTER. AS WIDESPREAD FLOODING. SWALLOWED MORE. COMMUNITIES ACROSS. AMERICA'S MIDWEST AND. SOUTH. >> SIX FOOT OF WATER. THIS IS NOT STANDARD. TENNESSEE WATER. THIS IS SIX FOOT OF. WATER.

>> Reporter: LATE. TODAY, AUTHORITIES IN. ARKANSAS AND KENTUCKY. ANNOUNCING THREE MORE. DEATHS INCLUDING A. 27-YEAR-OLD MAN SWEPT. AWAY BY FLOODWATERS. SUNDAY, MAKING FOR 24. PEOPLE KILLED BY. SEVERE WEATHER IN THE. LAST WEEK. AMONG THEM, 9-YEAR-OLD. GABRIEL ANDREWS, ALSO. CAUGHT IN A FLASH. FLOOD WHILE WALKING TO. HIS SCHOOL BUS. TONIGHT, RESCUES. STACKING UP. >> KENTUCKY GETTING. WELL OVER 15 INCHES OF.

RAIN IN FOUR DAYS. A NEW REPORT. >> THIS EVENT IS NOT. OVER UNTIL THE WATERS. HAVE RECEDED. >> Reporter: SOME. ALREADY FACING THAT. AFTERMATH. >> IT'S HARD. WE'RE OKAY. >> ARE YOU OKAY? >> OKAY. I'M OKAY. >> Reporter: SHE. ESCAPED HER HOME. SWIMMING THROUGH. CHEST-HIGH FLOOD WATER. FRIDAY. THIS IS THE MOM OF. FOUR'S FIRST TIME. BACK. >> Reporter: WHAT'S. THE FIRST THING YOU. NOTICED? >> THE DAMAGE. JUST MEMORIES. MATERIAL THINGS. I STILL HAVE MY KIDS. THEY'RE ALIVE. >> Reporter:

DEVASTATION IN A. REGION ALREADY. EXHAUSTED BY DAYS OF. DEADLY STORMS AND. TORNADOES. DAWSON SPRINGS, KENTUCKY TODAY, STILL. LARGELY UNDER WATER. THE POLICE CHIEF. SHOWING US THE WORST. OF IT. >> HOW EXHAUSTED ARE. PEOPLE HERE? >> VERY. VERY EXHAUSTED. OUR COMMUNITY NEEDS. HELP. >> AND JOINING US FROM. CLARKSVILLE, TENNESSEE. THE FEDERAL RESPONSE. GETTING SOME ATTENTION. TODAY. >> Reporter: YEAH, THAT'S RIGHT. PRESIDENT TRUMP HAS. SIGNED EMERGENCY. DECLARATIONS IN. SEVERAL STATES,

INCLUDING HERE IN. TENNESSEE AND IN. KENTUCKY. TODAY, THAT STATE'S. GOVERNOR SAYING THE. TRUMP ADMINISTRATION. HAS BEEN VERY. RESPONSIVE BUT ALSO. BLASTING CUTS TO THE. NATIONAL WEATHER. SERVICE, WHICH HE SAYS. SAVES SO MANY LIVES. >> THANK YOU. >>> IN OREGON, SCARY. MOMENTS AFTER A SMALL. JET SKIDDED OFF THE. RUNWAY AND ENDED UP IN. A NEIGHBORING BAY. EMERGENCY CREWS. RESCUED ALL FOUR. PASSENGERS AND THE. PILOT ON BOARD TAKEN. TO THE HOSPITAL FOR. MINOR INJURIES. AN INVESTIGATION IS. UNDERWAY.

>>> THE SUPREME COURT. HAS PUT ON HOLD A. LOWER COURT ORDER THAT. THE TRUMP. ADMINISTRATION MUST. RETURN A MARYLAND MAN. TO THE U.S. BY. MIDNIGHT AFTER HE WAS. DEPORTED TO EL. SALVADOR AND WHAT THE. WHITE HOUSE CALLED AN. ADMINISTRATIVE ERROR. TO THAT COSTELLO IS. WATCHING THE. FAST-CHANGING. DEVELOPMENTS FOR US. >> Reporter: IN A LATE. VICTORY FOR THE TRUMP. ADMINISTRATION, THE. SUPREME COURT PAUSED. FOR NOW. A LOWER COURT ORDER. THAT HE MUST BE. BROUGHT BACK TO THE. U.S. BY TONIGHT. THE ADMINISTRATION.

ACKNOWLEDGES AN. ADMINISTRATIVE ERROR. WAS BEHIND I.C.E. AGENTS MISTAKENLY. DEPORTING GARCIA. DURING A ROUND RUN OF. ALLEGED GANG MEMBERS. >> MEMBERS OF I.C.E. HAVE TESTIFIED THAT HE. IS AN MS-13 GANG. MEMBER. >> Reporter: COURT. DOCUMENTS SHOW GARCIA. ENTERED THE U.S. ILLEGALLY IN 2011 AND. WAS LATER DETAINED. A GOVERNMENT INFORMANT. IDENTIFIED HIM AS A. MEMBER OF THE VIOLENT. MS-13 GANG.

ABREGO GARCIA'S. ATTORNEY DENIED HE'S A. GANG MEMBER. AN IMMIGRATION COURT. ORDERED HIM DEPORTED. BUT WITHHOLD. DEPORTATION TO HIS. HOME COUNTRY CITING. THREATS TO HIS LIFE. THERE. NOW HIS WIFE IS. DESPERATE TO BRING HIM. HOME. >> I WANT TO TELL HIM. THAT I MISS HIM. THAT I'M FIGHTING FOR. HIM. >> Reporter: EARLIER. TODAY, AN APPEALS. COURT RULED AGAINST. THE ADMINISTRATION, WRITING, THE. GOVERNMENT HAS NO. LEGAL AUTHORITY TO. REMOVE HIM FROM THE. COUNTRY WITHOUT DUE. PROCESS. BUT THEN THE SUPREME. COURT ISSUED A STAY AS.

IT CONSIDERS WHETHER. TO VACATE OR PULL THE. RETURN ORDER. >> IT'S RIDICULOUS. THAT THEY'RE TAKING. THIS TO THE SUPREME. COURT. THIS IS ONE GUY. THEY MADE A MISTAKE. THEY NEED TO SET IT. RIGHT. >> Reporter: TONIGHT. THE WHITE HOUSE SAYS, QUOTE, THE SUPREME. COURT MUST CONTINUE TO. REIN IN THE LOWER. COURTS TO ENSURE THE. RULE OF LAW PREVAILS. >> THANK YOU. >>> WE TURN NOW TO THE. MEASLES CRISIS AND. MOUNTING FRUSTRATION. IN TEXAS AFTER A. SECOND CHILD HAS DIED. THE MEASLES OUTBREAK. HAS EXPANDED TO.

INCLUDE FIVE MORE. COUNTIES. PRISCILLA THOMPSON IS. IN LUBBOCK. >> Reporter: AT THE. EPICENTER OF THE. MEASLES OUTBREAK. TONIGHT, THERE IS. INCREASING WORRY. DOES THE MOOD FEEL. MORE URGENT TODAY? >> YEAH. IT DEFINITELY FEEL. MORE URGENT AND WE. NEED TO REALLY DOUBLE. DOWN. >> Reporter: AFTER. THIS SOMBER SCENE. SUNDAY WHEN FUNERAL. SERVICES WERE HELD FOR. THE UNVACCINATED. 8-YEAR-OLD GIRL WHO. DIED FROM THE VIRUS, OFFICIALS SAY, AND HAD. NO UNDERLYING. CONDITIONS. HEALTH AND HUMAN.

SERVICES SECRETARY. ROBERT F. KENNEDY JR. ON THE GROUND MEETING. WITH FAMILIES WHOSE. UNVACCINATED CHILDREN. HAVE DIED. KENNEDY, A VACCINE. SKEPTIC WHO RECENTLY. DOWNPLAYED THE RISK. LATER POSTING THE MOST. EFFECTIVE WAY IS THE. MMR VACCINE. MORE THAN 600 PEOPLE. HAVE BEEN INFECTED. NATIONWIDE THIS YEAR. INCLUDING NEARLY 500. IN TEXAS ALONE. >> SHAKE, SHAKE, SHAKE. >> Reporter: SHE RUNS. FIVE EARLY LEARNING. CENTERS ACROSS THE. LUBBOCK AREA THINKS. THIS WILL BE A WAKE-UP. CALL.

>> WHAT IT MAY HAVE. DONE IS MAYBE MAKE. PEOPLE SAY, OH, THIS. IS REALLY REAL. AND THIS IS NOT JUST. GOING TO GO AWAY. >> Reporter: MEGAN, THE CO-OWNER OF THIS. DAYCARE WHERE SIX KIDS. HAVE BEEN SICKENED, SAYS MORE HELP IS. NEEDED. >> PARENTS HAVING TO. GO TO THREE OR FOUR. DIFFERENT MEDICAL. PRACTICES JUST TO GET. TESTED. WE NEED QUICK AND. ACCESSIBLE ACCESS TO. TESTING. >> IT WOULD BE GREAT. IF WE COULD HAVE A. RAPID TEST. THAT WAS A GAME. CHANGER WITH COVID.

BUT IT DOESN'T EXIST. >> Reporter: AND. LESTER, OFFICIALS HERE. SAY THEY'LL LIKELY SEE. AN UPTICK IN. VACCINATIONS IN THE. COMING DAYS AS THIS. VIRUS ONE EVERY ONCE. ERADICATED IN THE U.S. TIGHTENS ITS GRIP. >> THANKS. >>> IN 60 SECONDS, OUR. EXCLUSIVE LOOK DEEP. INSIDE A LIMESTONE. MINE WHERE DOGE. WORKERS ARE TRYING TO.

>>> BACK WITH A MAJOR. DOGE PROJECT. UPGRADING THE FEDERAL. RETIREMENT SYSTEM. FOR DECADES, RETIREMENT REQUESTS. HAVE BEEN PROCESSED. ENTIRELY ON PAPER IN. AN OLD LIMESTONE MINE. OUR REPORTER HAS BEEN. GRANTED RARE AND. EXCLUSIVE ACCESS. INSIDE. >> Reporter: VERY DEEP. INSIDE THIS MINE IN. WESTERN PENNSYLVANIA. IS A LITTLE KNOWN. GOVERNMENT OFFICE THAT. HANDLES A CRITICAL. MISSION FOR THE. FEDERAL WORK FORCE. NOW SET TO BE. OVERHAULED BY THE. DEPARTMENT OF. GOVERNMENT EFFICIENCY. FROM THE MINE ENTRANCE. WHICH THEY CALL THE. PORTAL, WE TOOK SOME. GOLF CARTS A FEW.

HUNDRED FEET INTO THE. MINE. YOU CAN FEEL THE AIR. CHANGE AND YOU CAN SEE. IT IS ROUGHLY CUT OUT. OF THE LIMESTONE. THIS WAS A LIMESTONE. MINE. AND THIS IS WHERE WE. FIND THE OPM OFFICE. WHERE A FEW HUNDRED. EMPLOYEES PROCESS ALL. RETIREMENT PAPERWORK. FOR THE GOVERNMENT. IT IS ALL DONE ON. PAYMENT. IT CAN TAKE MONTHS FOR. THE OFFICE OF. PERSONNEL MANAGEMENT. TO PROCESS A CASE, POTENTIALLY DELAYING. RETIREE BENEFITS. THE FACILITY HAS. LITERALLY MILES OF. FILES.

SOME 26,000 FILING. CABINETS FILLED WITH. RETIREMENT PAPERWORK. SOME OF THEM STACKED. TEN HIGH. MATT RUNS THE. DAY-TO-DAY OPERATIONS. INSIDE. WHEN YOU LOOK OUT. OVERALL OF THIS, WHAT. DO YOU SEE? >> I SEE PEOPLE. I SEE CAREERS. I SEE SERVICE. >> WHAT DO YOU MEAN A. MINE? >> Reporter: WHEN ELON. MUSK BROUGHT IT UP IN. FEBRUARY AS A TARGET. RIPE FOR REFORM, HE. AGREED. >> HE'S RIGHT. WE HAVE TO IMPROVE THE. WAY THAT WE DO THINGS.

FOR THE FEDERAL. EMPLOYEES AND FOR THE. AMERICAN PUBLIC. >> Reporter: MUSK. ASKED THE BILLIONAIRE. CO-FOUNDER TO TAKE ON. THE PROJECT OF. MODERNIZING NOT JUST. THE MINE'S OPERATION, BUT THE ENTIRE. RETIREMENT SYSTEM. WHEN YOU LOOK AT A. PROJECT LIKE THIS, WHERE DO YOU EVEN. START? >> HOW ABOUT HERE ON. AISLE 56? >> Reporter: HE SAYS. THE DOGE ENGINEERS ARE. WORKING TO CREATE A. FULLY DIGITAL. EXPERIENCE WITH. FEDERAL RETIREES BEING. HOPEFUL, HAPPY. CUSTOMERS. >> WHY CAN'T WE HAVE.

AN APPLE-TYPE. EXPERIENCE FOR THE. GOVERNMENT? WHERE YOU HAVE GREAT. EXPERIENCE, BEAUTIFUL. DESIGN AND UP TO DATE. SOFTWARE? >> Reporter: TRYING TO. UPDATE A PROCESS SET. IN STONE. >>> WE'RE BACK IN A. MOMENT WITH AN. ALARMING REPORT ON HOW. PARENTS ARE WARNING. DAYCARES MAY BE GIVING. CHILDREN POPULAR. >>> WE ARE BACK WITH A. LOOK AT THE USE OF. MELATONIN IN DAYCARES. WITHOUT PARENT. PERMISSION.

THE LACK OF REGULATION. AROUND THE SUPPLEMENTS. HAS SOME PARENTS. CONCERNED. >> Reporter: WHEN. LAURA PUTNAM ENROLLED. HER SON TO APPLE. BLOSSOM DAYCARE IN. MAINE, SHE NEVER. THOUGHT THEY WOULD BE. GIVEN MELATONIN. SUPPLEMENTS TO MAKE. THEM SLEEPY. >> HAVE YOU EVER GIVEN. ANYONE PERMISSION TO. GIVE MELATONIN TO YOUR. CHILDREN? >> NO. >> Reporter: SHE. LEARNED FROM A FORMER. DAYCARE EMPLOYEE THAT. HE AND OTHERS HAD BEEN.

GIVING CHILDREN, INCLUDING HER OLDER. SON, WHO WAS 4 YEARS. OLD, MELATONIN. GUMMIES. HE SHOWED HER THIS. TEXT. SO SHE ASKED HER SON. >> HE SAID ,OH, IT. MAKES THE BABIES GO --. AND HE MADE A SNORING. SOUND. HE SAID HE GOT THEM. WHEN HE WAS YOUNGER. AND THEY MADE HIM. SLEEPY. I ASKED IF HIS YOUNGER. BROTHER GOT THEM AND. HE LOOKED AT ME AND. SAID YES. >> Reporter: IN MAINE, IT'S NOT ILLEGAL TO. GIVE MELATONIN TO.

KIDS. BUT DAYCARES NEED. PERMISSION TO DO IT. THERE WAS AN. INVESTIGATION LOOKING. INTO ABUSE, NEGLECT. AND LICENSING. VIOLATIONS. FOUR MONTHS LATER, PUTNAM SAID SHE WAS. INFORMED IT WAS ABUSE. AND NEGLECT. >> I THINK I FELT LET. DOWN. >> Reporter: LAST. MONTH, DHS OVERTURNED. ITS FINDINGS OF ABUSE. AND NEGLECT AFTER AN. APPEAL. THEY SAID IN PART TO. NBC, APPLE BLOSSOM HAS. EARNED AND ENJOYED AN. IMPECCABLE REPUTATION.

FOR YEARS. SHE'S APPEALING THE. FINDINGS THAT SHE. VIOLATED DAYCARE. RULES. >> IT'S MADDENING. NONSENSICAL. >> Reporter: RESEARCHERS SAY. MELATONIN USE IS ON. THE RISE IN KIDS. WHILE PARENTS SHOULD. CONSULT A DOCTOR, SHE. DOESN'T RECOMMEND IT. IN KIDS UNDER 5. >> WE DON'T KNOW WHAT. IT DOES TO GROWTH AND. DEVELOPMENT. >> Reporter: IS THERE. ANY PLACE FOR IT IN. DAYCARE? >> NOT AT ALL. >> Reporter: BUT JUST.

LAST YEAR IN. WASHINGTON, INDIANA. MADE HEADLINES SAYING. ONE DAYCARE WORKER. SENTENCED TO SIX. MONTHS IN JAIL. THEY ARE INTRODUCING A. BILL TO REQUIRE. DAYCARE OPERATORS TO. NOTIFY PARENTS IF. THEIR CENTER IS UNDER. INVESTIGATION. >> WE NEED TO PROTECT. KIDS AND PARENTS NEED. TO BE INFORMED. >> Reporter: SHE WANTS. STIFFER PENALTIES. >> I WOULD LIKE TO SEE. SOME REPERCUSSIONS FOR. MISTREATING CHILDREN. AND I DON'T FEEL THAT. HAS HAPPENED IN MY. CASE.

>> Reporter: A MOM ON. A MISSION TO EXPLORE. MELATONIN MISUSE IN. CHILDREN OFTEN TOO. YOUNG TO TALK. NBC NEWS, MAINE. >>> WHEN WE COME BACK, WE'LL TAKE YOU INSIDE. A RETIREMENT HOME FOR. PENGUINS. WHAT RESEARCHERS ARE. LEARNING FROM THESE. BIRDS OF A CERTAIN. AGE. THE GOOD NEWS IS NEXT. >>> THERE'S GOOD NEWS. TONIGHT FOR THE. PENGUINS AT THE NEW. ENGLAND AQUARIUM. THE STAFF THERE. CREATING A NEW ISLAND. JUST FOR THE OLDER. BIRDS. ANNE THOMPSON WITH THE.

RETIRED LIFE PENGUIN. STYLE. >> Reporter: THIS IS A. FAST CROWD. AFRICAN PENGUINS, THE. PARTY ANIMALS OF THE. NEW ENGLAND AQUARIUM. BUT SOME ARE READY FOR. A SLOWER PACE. >> SO THIS IS. GERIATRIC ISLAND? >> YES. WE WOULD LIKE TO CALL. THIS THE ASSISTED. LIVING FACILITY. >> Reporter: ERIC FOX. IS THE HUMAN IN. CHARGE. SEPARATED BY A MESH. BARRIER FROM YOUNGER. SET, THEY HAVE FLAT. SPACES FOR OLDER BIRDS. WITH ARTHRITIS OR FOOT.

ISSUES. THERE'S MEDICAL CARE. LIKE EYEDROPS FOR. VISION PROBLEMS. AND MEAL TIME. >> THERE YOU GO! >> NICE JOB. >> Reporter: ESPECIALLY PREPARED. FISH ARE STUFFED WITH. VITAMINS OR MEDICINES. ACCORDING TO EACH. RESIDENT'S NEEDS. >> HOW MANY FISH DO. THEY EAT? >> UP TO THEM. THEY'RE ABLE TO EAT AS. MANY OR LITTLE FISH AS. THEY WANT.

ALL WE DO IS RECORD. WHAT EVERY PENGUIN IS. EATING. >> Reporter: THERE ARE. THREE COUPLES ON THE. ISLAND. THEY MATE FOR LIFE. AND NOW THERE'S A NEW. COUPLE. 35-YEAR-OLD GOOD HOPE, THE OLDEST PENGUIN, AND MISS WIFE ST. CROIX. >> YOU CAN DO THE. HONORS OF OPENING UP. THE CARRIER DOOR AND. SWING IT TOWARD YOU. AND LET THEM DO. WHATEVER THEY'RE GOING. TO DO. >> Reporter: GOOD HOPE. AND ST. CROIX, WELCOME. TO YOUR NEW HOME. >> Reporter: IN THE. WILD, THESE PENGUINS. ARE ENDANGERED BY. POLLUTION AND CLIMATE. CHANGE.

HERE HALF OF THE 40. PENGUINS WILL EXCEED. THEIR LIFE EXPECTANCY. OF 15 YEARS. >> THE LONGER THEY. LIVE, THE MORE WE. LEARN FROM THEM. WE'RE LEARNING FROM. THEM EVERY SINGLE DAY. >> Reporter: PENGUINS. OF A CERTAIN AGE. TEACHING AND. DELIGHTING PEOPLE OF. ALL AGES. NBC NEWS, BOSTON. >> AND THAT IS. "NIGHTLY NEWS" FOR. THIS MONDAY. THANK YOU FOR. WATCHING. I'M LESTER HOLT. PLEASE TAKE CARE OF. YOURSELF AND EACH. OTHER. GOOD NIGHT. EACH OTHER. GOOD NIGHT.