NBC Nightly News Full Episode - March 7

♪♪. >>> TONIGHT, WHAT. OFFICIALS JUST SAID. ABOUT THE MYSTERIOUS. DEATH OF GENE HACKMAN. AND HIS WIFE. THE DEVASTATING NEWS. CONFERENCE LAYING OUT. THE TIME LINE. WHAT OFFICIALS SAY. KILLED HACKMAN'S WIFE, BETSY ARAKAWA, IT'S CALLED. HANTAVIRUS. INCREDIBLY RARE AND. SPREAD BY RODENTS. OFFICIALS ALSO SAYING. THE ACADEMY AWARD. WINNING ACTOR DIED OF.

HEART DISEASE AND. ALZHEIMER'S A WEEK. LATER. QUESTIONS WE ASKED THE. MEDICAL EXAMINER. >>> ALSO BREAKING. TONIGHT, A DEATH ROW. INMATE SET TO DIE BY. FIRING SQUAD IN. SOUTH CAROLINA, THE. FIRST IN YEARS. >>> THE EXTREME. WEATHER SLAMMING PARTS. OF THE EAST COAST. >>> MULTISTORY. SCAFFOLDING COLLAPSING. IN BOSTON. >>> NEW REPORTING, ELON MUSK CLASHING. WITH SECRETARY OF. STATE MARCO RUBIO AND. TRANSPORTATION. SECRETARY SEAN DUFFY. ABOUT LAYOFFS. WHAT THE PRESIDENT. SAID TONIGHT ABOUT THE.

SHOWDOWN. >>> EXPLOSIONS IN THE. SKY, A SECOND SPACEX. LAUNCH EXPLODES. MOMENTS AFTER. LIFT-OFF. CHUNKS OF THE CAPSULE. RAINING DOWN ON THE. CARIBBEAN. >>> ON THE FRONT. LINES, KEIR SIMMONS, THE. FIRST NETWORK. CORRESPONDENT IN THE. AREA WHERE UKRAINIANS. ARE ON THE ATTACK. >>> YOU DIDN'T KILL A. SOUL? >> CORRECT. >> CONVICTED KILLER.

LORI VALLOW DAYBELL. SPEAKS OUT IN HER. FIRST INTERVIEW TO. KEITH MORRISON, WHAT. SHE TOLD HIM ABOUT HER. BLOCKBUSTER CASE. >> Announcer: THIS IS. "NBC NIGHTLY NEWS". WITH LESTER HOLT. >> GOOD EVENING, I'M. TOM LLAMAS IN FOR. LESTER. TONIGHT AS WE COME ON. THE AIR, THE MEDICAL. EXAMINER IN NEW MEXICO. SHARING STUNNING NEW. DETAILS IN THE DEATH. OF GENE HACKMAN AND. HIS WIFE. BETSY ARAKAWA THOUGHT. TO HAVE DIED FROM. A VERY RARE INFECTION. SPREAD BY RODENTS,

KNOWN AS. HANTAVIRUS AND GENE. HACKMAN BELIEVED TO. HAVE DIED A WEEK LATER. IN THAT SAME HOUSE. OF HEART FAILURE AND. ALZHEIMER'S. INVESTIGATORS. LAYING OUT A COMPLETE. TIME LINE OF THEIR. LAST DAYS, FINAL. EMAILS AND. SURVEILLANCE OF A. SHOPPING TRIP FEBRUARY. 11th. LIZ KREUTZ HAS MORE ON. THE MYSTERY REVEALED. >> Reporter: AUTHORITIES ANNOUNCING. LEGENDARY ACTOR. GENE HACKMAN DIED OF. HEART DISEASE AND. ADVANCED.

ALZHEIMER'S. ALONE SEVERAL DAYS. AFTER HIS WIFE, BETSY. ARAKAWA, DIED FIRST IN. THEIR SANTA FE HOME. >> IT'S POSSIBLE HE. WAS NOT AWARE SHE WAS. DECEASED. >> Reporter: THE. MEDICAL INVESTIGATOR. SAYING AN AUTOPSY. SHOWED SHE DIED. OF HANTAVIRUS, A VIRUS. SPREAD BY RODENTS THAT. CAN BE DEADLY AS FLUID. FILLS UP THE LUNGS. >> A PERSON CAN DIE. QUICKLY WITHOUT. MEDICAL TREATMENT.

>> Reporter: OFFICIALS. LAYING OUT A TIME. LINE, LAST. COMMUNICATION FROM. ARAKAWA WAS FEBRUARY. 11th, ON AN ERRAND, PICKING UP GROCERIES. AND DOG FOOD, THEN RETURNING HOME, NOT HEARD FROM SINCE. >> NUMEROUS EMAILS. WERE UNOPENED ON HER. COMPUTER FEBRUARY. 11th. THERE WAS NO. ADDITIONAL OUTGOING. COMMUNICATION FROM HER. OR KNOWN ACTIVITY. AFTER FEBRUARY 11th. >> Reporter: POLICE. BELIEVE HACKMAN WAS. LIKELY IN THE HOME FOR. DAYS, WITH HIS. PACEMAKER SHOWING HIS.

LAST ACTIVITY A WEEK. AFTER HIS WIFE'S. DEATH. DO YOU BELIEVE GIVEN. HIS ALZHEIMER'S. STATUS, MR. HACKMAN. COULD LIVE ON HIS OWN. AND SURVIVE FOR SEVEN. DAYS? >> I'M NOT AWARE OF. WHAT HIS NORMAL DAILY. FUNCTIONING CAPABILITY. WAS. HE WAS IN A VERY POOR. STATE OF HEALTH, SIGNIFICANT HEART. DISEASE. AND I THINK ULTIMATELY. THAT IS WHAT RESULTED. IN HIS DEATH. >> Reporter: WHAT. ABOUT STARVATION? >> THERE WAS NO FOOD. IN HIS STOMACH, WHICH. MEANS HE HAD NOT EATEN.

RECENTLY, BUT HE HAD. ALSO NO EVIDENCE OF. DEHYDRATION. >> Reporter: THE. COUPLE'S DOG, ZENA, THAT DIED IN HER. CRATE, IS UNDERGOING. NECROPSY, BUT. OFFICIALS SAY IT'S. POSSIBLE SHE DID. STARVE. THE DEATH SPARKED. NATIONWIDE INTRIGUE, AND NOW. ANSWERS FOR A TRAGIC. ENDING FOR A HOLLYWOOD. ICON AND HIS WIFE OF. MORE THAN THREE. DECADES. >> IT'S SO TRAGIC. WHAT ELSE HAVE. INVESTIGATORS LEARNED. FROM THE EMAILS AND. CELL PHONE RECORDS? >> Reporter: IT REALLY.

IS, TOM. INVESTORS SAY THEY'RE. STILL. WORKING WITH POLICE. TO ACCESS ALL THE CELL. PHONE RECORDS. BUT BETSY SENT AN. EMAIL TO HER. MASSAGE THERAPIST. FEBRUARY 11th. THERE'S NO INDICATION. THAT GENE HACKMAN. TRIED TO CONTACT. ANYBODY IN THE DAYS. AFTER HIS WIFE DIED, WHICH MAY NOT BE. SURPRISING GIVEN HIS. ADVANCED ALZHEIMER'S. >>> THANK YOU. >>> MORE BREAKING. NEWS, THE DEATH ROW INMATE. SENTENCED TO DEATH BY. FIRING SQUAD IN. SOUTH CAROLINA.

INCREDIBLY RARE IN. THIS COUNTRY. SYNCLAY, HOW AND DID. IT GO DOWN THIS WAY? >> BRAD SIGMON CHOSE. THIS DEATH, AND HE. DIED THIS EVENING BY A. FIRING SQUAD OF THREE. HE COULD CHOOSE. ELECTROCUTION, LETHAL. INJECTION OR FIRING. SQUAD, THIS IS WHAT HE. WANTED. A METAL CHAIR, A HOOD. OVER HIS HEAD, AND TARGET OVER HIS.

HEART. THAT IS HOW. SOUTH CAROLINA DEATH. ROW INMATE BRAD SIGMON. CHOSE TO DIE. THE FOURTH EXECUTION. OF ITS KIND IN 50. YEARS. THE 67-YEAR-OLD WAS. SENTENCED TO DEATH FOR. KILLING HIS. EX-GIRLFRIEND'S. PARENTS WITH A. BASEBALL BAT IN 2002. HIS LAWYER SAID HE. CHOSE DEATHLY FIRING. SQUAD BECAUSE THERE'S. FEWER. PROBLEMS THAN LETHAL. INJECTION. >> IT'S GOING TO BREAK. HIS BONES AND DESTROY. HIS ORGANS, BUT THE. ALTERNATIVE IS.

POTENTIALLY A. EXCRUCIATING 20-MINUTE. DEATH. >> Reporter: CARRIED. OUT BY THREE. DEPARTMENT OF. CORRECTIONS. VOLUNTEERS, SHOOTING. LIVE ROUNDS OF. AMMUNITION AT HIS. HEART. >> I WANT IT TO BE. CARRIED OUT AS. PROFESSIONALLY AS. POSSIBLE. THEY'RE PROS, THEY. REHEARSED. >> Reporter: DEATH BY. FIRING SQUAD IS. LEGAL IN FOUR OTHER. STATES AND ARIZONA IS. CONSIDERING THE SAME. IN A SUPREME COURT. APPLICATION, SIGMON'S. DEFENSE SAYS IN. SOUTH CAROLINA'S LAST. THREE LETHAL. INJECTIONS, INMATE.

DEATHS TOOK. LUNGS FILLED WITH. FLUID, AKIN TO. DROWNING. >> FIRING SQUAD IS. ALMOST IMMEDIATELY. DOESN'T MEAN IT'S NOT. GOING TO BE PAINFUL, BUT. LETHAL INJECTION IS. ABSOLUTELY PAINFUL. >> Reporter: THE. GRANDSON OF HIS. VICTIMS SAYING HE TOOK. AWAY THE ROCK OF THEIR. FAMILY. SIGMON'S LAST WORDS. CALLING FOR AN END TO. THE DEATH PENALTY, NBC NEWS. >>> WE WANT TO TURN TO. THE DANGEROUS WEATHER. ACROSS THE NORTHEAST. NOW. 13 MILLION AT RISK FOR.

HIGH WINDS. GUSTS UP TO 62 MILES. AN HOUR BROUGHT DOWN. THIS SCAFFOLDING IN. BOSTON, WOOD PIPES AND. NETTING LITTERING THE. ROAD THERE. NOT FAR AWAY IN. CONNECTICUT AN. ENORMOUS TREE CRASHING. ON A MAIL TRUCK. LUCKILY, NO ONE WAS. INJURED. >>> NEW REPORTING ON. THE DRAMA SURROUNDING. ELON MUSK AND HIS. DEPARTMENT OF. GOVERNMENT EFFICIENCY, DOGE. AT A CONTENTIOUS. MEETING WHERE. THE WORLD'S RICHEST. MAN CLASHED WITH. MEMBERS OF PRESIDENT. TRUMP'S CABINET.

GABE GUTIERREZ. >> Reporter: NEW DRAMA. OVER DOGE. TWO PEOPLE FAMILIAR. WITH THE EXCHANGES. TOLD NBC NEWS THAT A. CLOSED-DOOR CABINET. MEETING GOT. CONTENTIOUS, WITH. SECRETARY OF STATE. MARCO. RUBIO AND DUFFY. PUSHING BACK AGAINST. BILLIONAIRE ELON. MUSK'S DEPARTMENT OF. GOVERNMENT EFFICIENCY. SOME DETAILS HAVE. COME OUT ABOUT YOUR. CABINET MEETING WITH. ELON MUSK AND CLASHES. POTENTIALLY. WITH RUBIO AND DUFFY. >> NO CLASH, I WAS. THERE. YOU'RE JUST A. TROUBLEMAKER AND.

YOU'RE NOT SUPPOSED TO. BE ASKING THAT. QUESTION, WE'RE. TALKING ABOUT THE. WORLD CUP. ELON GETS ALONG GREAT. WITH MARCO. THEY'RE BOTH DOING A. FANTASTIC JOB. >> Reporter: BUT. SOURCES SAY THEY DID. PUSH BACK ON MUSK, ACCUSING HIM OF FIRING. THEIR EMPLOYEES. WITHOUT ANY. CONSIDERATION WHETHER. LETTING THEM GO WAS A. GOOD IDEA, IN TERMS OF. MAINTAINING QUALITY. AND CRITICAL STAFF. JUST YESTERDAY, PRESIDENT TRUMP PLACED. NEW LIMITS ON MUSK'S. DOWNSIZING, SAYING. CABINET SECRETARIES. WILL BE IN CHARGE. USING A SCALPEL, NOT A. HATCHET. >> I DON'T WANT A.

BIG CUT WITH A LOT OF. GOOD PEOPLE CUT. >> Reporter: MUSK. HUDDLED WITH. CONGRESSIONAL. REPUBLICANS, MANY. SUPPORTING HIS. MISSION TO SLASH THE. FEDERAL BUREAUCRACY. >> MY THINKING ON MUSK. IS A ROCK STAR. THE TOFU CROWD IS MAD. BUT WHEN YOU TRIM FAT, PIGS SQUEAL. THAT'S JUST THE WAY. THE WORLD WORKS. >> Reporter: TONIGHT. THE TRUMP. ADMINISTRATION IS ALSO. RESPONDING TO RECENT. CAMPUS CONFRONTATIONS. OVER GAZA, CANCELLING. ABOUT $400 MILLION OF.

FEDERAL GRANTS TO. COLUMBIA UNIVERSITY. OVER WHAT IT SAYS IS. THE SCHOOL'S. CONSTANT INACTION TO. THE HARASSMENT OF. JEWISH STUDENTS. THIS STUDENT HAS. FEARED FOR HER SAFETY. >> I'VE BEEN SCREAMED. AT, FRIENDS HAVE BEEN. PHYSICALLY ASSAULTED. ON AND AROUND CAMPUS. FOR BEING JEWISH. >> Reporter: A. SPOKESPERSON FOR THE. UNIVERSITY SAYS IT'S. COMMITTED TO. COMBATTING. ANTI-SEMITISM AND. ENSURING THE SAFETY OF. ITS STUDENTS. >> IT IS BUSY AT THE.

WHITE HOUSE TONIGHT. I KNOW YOU HAVE NEW. REPORTING ABOUT. PRESIDENT TRUMP. REACHING OUT TO IRAN. ABOUT TALKS TO. RESTRICT ITS NUCLEAR. PROGRAM? >> Reporter: PRESIDENT. TRUMP SAID HE SENT A. LETTER TO THE SUPREME. LEADER, TRYING TO. STRIKE A NEW AGREEMENT. TO RESTRAIN THE. COUNTRY'S NUCLEAR. PROGRAM. IT'S A MAJOR PIVOT FOR. THE PRESIDENT WHO. WITHDREW FROM THE IRAN. NUCLEAR DEAL IN HIS. FIRST TERM. TOM. >> GABE, THANK YOU. >>> NOW TO THE. ESCALATING TRADE WAR. LAUNCHED BY PRESIDENT. TRUMP, TODAY PROPOSING. EVEN MORE NEW TARIFFS. ON ONE OF THE U.S.'S. BIGGEST TRADE. PARTNERS.

GARRETT HAAKE. IN TORONTO. >> Reporter: ON THE. ICY STREETS OF. CANADA'S LARGEST CITY, A NEW ATTITUDE. TOWARDS THE U.S. >> YOU DON'T STAB THE. BACK OF YOUR FRIEND. >> I THINK IT'S. DISGRACEFUL. WE'RE VERY PRO. CANADIAN, DON'T WANT. TO BE THE 51st STATE. >> CANADA HAS BEEN. RIPPING US OFF FOR. YEARS ON TARIFFS. >> Reporter: IN THE. OVAL OFFICE THIS. AFTERNOON, PRESIDENT. TRUMP FLOATING NEW. TARIFFS ON CANADIAN. LUMBER AND DAIRY. PRODUCTS. ON TOP OF THE 25% LEVY.

IMPOSED THIS WEEK ON. MOST OF THE IMPORTS. FROM CANADA. >> COULD DO IT EARLY. AS TODAY OR WAIT UNTIL. MONDAY OR TUESDAY. THAT'S WHAT WE'RE. GOING TO DO, WE'RE GOING TO CHARGE. THE SAME THING. IT'S NOT FAIR. >> Reporter: THE. CONFUSION AND COSTS. CHIPPING AWAY AT. CANADIANS' INNATE. POLITENESS. >> IT'S GOING TO SCREW. US AND SCREW YOU GUYS. PARDON MY WORDS BUT. ALL YOUR PRICES WILL. GO UP, ALL OUR PRICES. WILL GO UP. >> Reporter: CANADA. RESPONDING WITH. BILLIONS OF DOLLARS ON. AMERICAN GOODS.

AND PROVINCIAL. GOVERNMENTS TAKING. STEPS TO. ENCOURAGE THEM TO BUY. CANADIAN. ONTARIO'S LIQUOR. STORES SELL BILLIONS. IN AMERICAN PRODUCTS, BUT RIGHT NOW, NOT ANY. ARE ON THEIR SHELVES. THE GOVERNMENT. ORDERED THEM TO STOP. SELLING AMERICAN WINES. AND LIQUOR EARLIER. THIS WEEK. WHAT IS. YOUR MESSAGE TO DONALD. TRUMP? >> STOP THE CHAOS. >> Reporter: HE. THREATENED TO CUT OFF. CANADIAN ELECTRICITY. SOLD ACROSS THE BORDER. WHICH POWERS HOMES AND. BUSINESSES IN. NEW YORK, MINNESOTA. AND MICHIGAN. >> LAST THING I WANT.

TO DO. BUT PRESIDENT TRUMP IS. TRYING TO DESTROY OUR. COUNTRY. >> Reporter: AND THE. CANADIAN GOVERNMENT. LAUNCHED A $5 BILLION. FUND TO HELP. BUSINESSES NAVIGATE. THE TARIFFS AND FIND. NEW MARKETS. SUGGESTING CANADA. DOESN'T SEE A TRUCE IN. THE TRADE WAR ANYTIME. SOON. >> GARRETT, THANK YOU. >>> OVERSEAS TO. RUSSIA. PRESIDENT TRUMP WITH A. NEW WARNING TO PUTIN. THAT HE'S STRONGLY. CONSIDERING SANCTIONS. UNLESS THERE'S A. CEASEFIRE. AS WE'RE GETTING A. RARE LOOK FROM THE. FRONT LINES INSIDE OF. RUSSIA FROM KEIR. SIMMONS.

>> Reporter: HOURS. AFTER UKRAINE. OFFICIALS SAY A. RUSSIAN MISSILE STRUCK. A HOTEL, KILLING FOUR. PEOPLE, PRESIDENT TRUMP WITH A. NEW THREAT TO VLADIMIR. PUTIN. STATING. RUSSIA IS POUNDING. UKRAINE AND HE'S. STRONGLY CONSIDERING. LARGE-SCALE BANKING. SANCTIONS AND TARIFFS. ON RUSSIA UNTIL A. PEACE DEAL IS REACHED. >> I'M FINDING IT MORE. DIFFICULT DEALING WITH. UKRAINE, MIGHT BE. EASIER TO DEAL WITH. RUSSIA, WHICH IS. SURPRISING, THEY HAVE. ALL THE CARDS.

THEY'RE BOMBING THE. HELL OUT OF THEM RIGHT. NOW. I PUT IN A STRONG. STATEMENT. YOU CAN'T DO THAT. >> Reporter: HERE IN. RUSSIA, IT DOES NOT. SEEM LIKE ENDING THE. WAR WILL BE EASY, WHERE IT'S NOW BECOME. A FACT OF LIFE. IN KURSK, AIR RAID. SIRENS ARE IGNORED. NBC NEWS THE FIRST TO. REACH THE REGION SINCE. UKRAINIAN FORCES. INVADED THIS RUSSIAN. AREA. LAST YEAR IN RESPONSE. TO PRESIDENT PUTIN'S. FULL-SCALE.

INVASION OF UKRAINE. A ROAD BRISTLING WITH. RUSSIAN MILITARY TAKES. US TO THE FRONTLINE. TOWN WHERE A MAN SHOWS. US A PLACE HE SAYS WAS. STRUCK BY UKRAINE. KILLING TWO PEOPLE. PRESIDENT TRUMP SAID. RUSSIA IS READY FOR. PEACE. >> WE HOPE FOR PEACE, HE SAYS AND NORMAL. EXISTENCE. IN K, RUSSIAN AND.

UKRAINIAN TROOPS ARE. LOCKED IN A BATTLE. WITH FORCES, WE HAVE. TO LIBERATE OUR. TERRITORY WITHOUT. QUESTION. HE SHOWS US A CRATER. OUTSIDE A ELEMENTARY. SCHOOL. DO YOU THINK OF THE. UKRAINIAN SCHOOLS. THAT HAVE BEEN. TARGETED AND KIDS. KILLED IN THE PAST. THREE YEARS? PROVOCATIVE QUESTION, HE REPLIES, IN RUSSIA, CRITICIZING THE WAR. COULD MEAN JAIL AND NO. ONE WE SPOKE TO BLAMED. PRESIDENT PUTIN. EVERYTHING RELIES ON. ZELENSKYY, HE SAID. BELIEVES PRESIDENT. TRUMP CAN HELP.

BUT RUSSIAN OFFICIALS. ARE NOT IN A HURRY FOR. A TRUMP/PUTIN SUMMIT, MOSCOW PLANS TO DRIVE. A HARD BARGAIN. >> KEIR, THANK YOU. >>> IN 60 SECONDS, NEW. FALLOUT FROM YET. ANOTHER STARSHIP. EXPLOSION OVER THE. CARIBBEAN. THE NEW AIR TRAFFIC. >>> WE ARE BACK NOW. WITH THE FAA ORDERING. SPACEX TO CONDUCT A. THOROUGH INVESTIGATION. AFTER A SECOND. STARSHIP ROCKET. EXPLODED OVER THE. CARIBBEAN LAST NIGHT.

SOME FLIGHTS IN THE. U.S. TEMPORARILY. GROUNDED AS DEBRIS. RAINED DOWN. TOM COSTELLO. >> Reporter: THE. QUESTION FOR. INVESTIGATORS, HOW. COULD A SPACEX. STARSHIP EXPLODE AGAIN. IN NEARLY THE SAME. PLACE. >> FLAMING DEBRIS. FALLING FROM THE SKY. >> Reporter: VISIBLE. FROM SOUTH FLORIDA AND. SEVERAL CARIBBEAN. ISLANDS. >> THERE IT IS, BOOM. >> LOST SEVERAL. ENGINES AND ALTITUDE. CONTROL OF THE. VEHICLE.

>> Reporter: THURSDAY'S EVENT, EERILY SIMILAR TO THE. JANUARY LOSS OF. ANOTHER STARSHIP OVER. THE CARIBBEAN. >> VECTORING AWAY FROM. THE ZONE OF DEBRIS. >> Reporter: THIS TIME. NEARLY 240. FLIGHTS DISRUPTED AS. THE FAA DIVERTED. PLANES AND ORDERED. AIRPORT. GROUND STOPS. THE BOOSTER ROCKET. LANDED PERFECTLY BACK. ON THE LAUNCH PAD. SPACEX SAID IT LOST. SEVERAL ENGINES BEFORE. TUMBLING OUT OF. CONTROL AND ANY.

SURVIVING DEBRIS WOULD. HAVE FALLEN WITHIN THE. PREPLANNED DEBRIS. RESPONSE AREA. ON X, CEO ELON MUSK CALLED. IT A MINOR SETBACK. THE BIGGEST ROCKET. EVER BUILT IS GOING. THROUGH ROBUST. TESTING, IGNITING, SHUTTING DOWN AND. REIGNITING ENGINES. THAT MIGHT ONE DAY. CARRY ASTRONAUTS. >> THEY'RE TRYING TO. SIMULATE WHAT'S GOING. TO HAPPEN WHEN THEY. GET CLOSER TO THE. MOON. >> Reporter: THE FAA. WILL BE INVOLVED IN. EVERY STEP OF THE. INVESTIGATION EVEN AS. ELON MUSK HAS LED. JOB CUTTING EFFORTS AT.

THE FAA. TONIGHT, THE FAA SAYS. IT MUST APPROVE. SPACEX'S FINAL REPORT. AND CORRECTIVE ACTION. A RETURN TO FLIGHT. WILL HAPPEN WHEN IT'S. CONVINCED THAT PUBLIC. SAFETY IS NOT. JEOPARDIZED. TOM. >> TOM, THANK YOU. >>> STAY WITH US FOR. AN NBC NEWS EXCLUSIVE. A JAILHOUSE INTERVIEW. WITH LORI. VALLOW-DAYBELL, NEXT. >>> WE'RE BACK NOW. WITH AN EXCLUSIVE. JAILHOUSE INTERVIEW.

WITH LORI VALLOW WHO. IS SERVING LIFE IN. PRISON FOR MURDERING. HER TWO CHILDREN. SHE'S PLEADED NOT. GUILTY TO THE MURDER. OF HER FOURTH. HUSBAND, CHARLES. VALLOW IN ARIZONA. THAT'S WHERE SHE SAT. DOWN WITH KEITH. MORRISON. >> Reporter: AS THEY. BROUGHT HER FROM HER. CELL AT A WOMEN'S JAIL. NEAR PHOENIX, SHE. WINKED AT THE CAMERA. COME ON IN. BEFORE SITTING FOR HER. FIRST EVER TV. INTERVIEW. SIGN OF THINGS TO. COME? >> ARE YOU KEEPING. TRACK? >> Reporter: I AM. KEEPING TRACK.

SHE IS, LORI VALLOW, ONCE LABELED THE MOST. HATED MOTHER IN. AMERICA, CONVICTED OF. MURDERING HER TWO. CHILDREN. >> HEY, WHERE ARE YOUR. KIDS? >> Reporter: SHE WAS. CAUGHT WITH HER NEW. HUSBAND AND SPIRITUAL. GURU, CHAD DAYBELL, IN. 2020, AND MONTHS. LATER, THEY FOUND THE. BODIES IN THE PET.

CEMETERY. THE INVESTIGATORS. SPEAK OUT TONIGHT FOR. THE FIRST TIME. >> THAT WAS A VERY. EMOTIONAL MOMENT. >> Reporter: DID A. NUMBER ON YOU? >> YEAH. THOSE AREN'T -- THOSE. ARE MEMORIES THAT, YOU. KNOW, DON'T GO AWAY. >> Reporter: ALSO. SPEAKING OUT, LORI. VALLOW'S ONLY. SURVIVING SON, COLBY. >> I FELT GUILTY BEING. THE ONLY ONE THAT. DIDN'T GET KILLED, FOR. A LONG TIME. >> Reporter: NOW. CHARGED WITH MURDERING. HER FOURTH HUSBAND, LORI VALLOW IS. REPRESENTING HERSELF. >> I'M IN TRIAL COMING.

UP, YOU KNOW. DO YOU KNOW THAT. KEITH? >> Reporter: SHE'LL. REMAIN IN PRISON FOR. LIFE, NO. MATTER WHAT HAPPENS. IN HER UPCOMING TRIAL. CHAD. DAYBELL IS ON DEATH. ROW. FOR LORI IT'S AS IF. THE EVIDENCE AND HER. CONVICTIONS DON'T. EXIST AT ALL. YOU CAN'T KILL A SOUL? >> NO. >> Reporter: YOU. DIDN'T CONSPIRE TO. KILL A SOUL? >> CORRECT. >> Reporter: YOU CAN'T. DO ANYTHING OF THE.

THINGS YOU HAVE BEEN. CONVICTED OF DOING? >> CORRECT. >> Reporter: AS. UNREPENTANT AS EVER AS. SHE PREPARES TO FACE. JUSTICE AGAIN. KEITH MORRISON, LOS. ANGELES. >> CATCH THE JAIL. HOUSE INTERVIEW ON. "DATELINE," 9:00. EASTERN TONIGHT ON. NBC. >>> WHEN WE COME BACK, HIDDEN IN PLAIN SIGHT, THE SECRET HISTORY OF. >>> 60 YEARS AGO THIS. SUNDAY, PEACEFUL. MARCHERS IN SELMA,

ALABAMA, WERE MET WITH. BRUTAL VIOLENCE. PRISCILLA THOMPSON. RETURNED TO A COFFEE. SHOP TURNING A PAINFUL. PAST INTO A HOPE. >> Reporter: EVERY DAY. CUSTOMERS STROLL IN. AND OUT OF THIS ORANGE. BUILDING. >> GOOD MORNING. >> Reporter: PICKING. UP COFFEE, OFTEN. UNAWARE OF WHAT THE. BUILDING ONCE WAS. DO YOU KNOW WHAT THAT. USED TO BE? >> NO, NOT FOR ME WITH. THAT. >> THIS IS THE WINDOW. FROM WHICH BLACKS HAD. TO BE SERVED WHEN THIS. WAS A SEGREGATED. DINER. >> Reporter: THIS IS.

THE COFFEE SHOP TODAY. IN DOWNTOWN SELMA. BUT. DECADES AGO, IT WAS. THE THIRSTY BOY DINER, WHERE A HAMBURGER AND. DRINK WOULD COST YOU. 24 CENTS, AND BLACK PEOPLE WERE. SERVED OUT BACK. WHAT DO YOU REMEMBER. OF THE THIRSTY BOY AS. A CHILD? >> WE WOULD COME FOR. THE INFAMOUS HAM. SANDWICH. I CAN REMEMBER, WE. DIDN'T COME IN THE. FRONT DOOR, WE WALKED. TO THIS WINDOW.

>> Reporter: THE. SEGREGATED DINER WAS. THE SITE OF SIT-INS, FREEDOM SONGS, AND. STEPS FROM THE EDMUND. PETTUS BRIDGE WHERE. UNARMED DEMONSTRATORS. MARCHING FOR VOTING. RIGHTS WERE ATTACKED. BY POLICE ARMED WITH. BATONS, DOGS AND TEAR. GAS. BUT THE ARC OF THE. MORAL UNIVERSE BENT. TOWARD JUSTICE, WITH. THE VOTING RIGHTS ACT. SIGNED INTO LAW LATER. THAT YEAR, AUGUST OF 1965. HERE IN SELMA, JACKIE. RUNS HER COFFEE SHOP. OUT OF THAT ONCE. SEGREGATED DINER, THAT.

DIVISIVE WINDOW NOW. FILLED WITH. ACCOLADES FROM AROUND. THE WORLD. >> THERE'S COMMUNITY, THERE'S UNITY, THERE'S. LOVE, THERE'S LIGHT, AND THERE'S A. SUCCESSFUL BLACK WOMAN. OPERATING IN A SPACE. THAT, 60 YEARS AGO, DID NOT STAND FOR. THOSE SAME THINGS. >> Reporter: NOW THIS. IS A PLACE FOR. EVERYBODY. >> THIS IS A PLACE FOR. EVERYBODY. >> Reporter: PRISCILLA. THOMPSON, NBC NEWS, SELMA, ALABAMA. >> WE THANK PRISCILLA. FOR THAT GREAT LOOK. BACK.

THAT IS "NIGHTLY NEWS". FOR THIS FRIDAY, I'M. TOM LLAMAS, HAVE A. GREAT NIGHT AND. WEEKEND.