Captured on one of their cell phones . All that plus our secret jfk files, under lock and key for decades, about to be released. Outpouring of support after Julia Louisdreyfus reveals she has Breast Cancer. And aint no crying on the plaza, because one of the hottest names in music, Camila Cabello, is performing live. Today, friday, september 29th, 2017. From nbc news, this is today, with matt lauer and savannah guthrie. Live from studio 1a in rockefeller plaza. And good morning, everyone. Welcome to today on this friday morning. And its been a busy week. A long, hard week for the people of puerto rico. Longer than a week, actually. Like ten days, now. Thats where were going to start this morning. Its our top story. The situation in puerto rico becoming increasingly dire. Water, food and power remain scares ten days after the Hurricane Marias direct hit. Adding to the problem, the containers with muchneeded supplies are stuck at the port of san juan. Gabe gutierrez is there. Good morning. Reporter the reason many of the containers are still here is because of communications nightmare. Theres no power, no fuel, and drivers arent showing up to get the supplies. The acting Homeland Security secretary is set to visit puerto rico, this as the Trump Administration is pushing back hard that growing criticism that the federal government was caught off guard. This morning at san juans phoeupb port, critical supplies are just sitting there and not getting to the people who need them in the wake of Hurricane Maria. We have not scaled up quick enough. Russel honore says maria is a much bigger challenge. And the Trump Administration isnt doing enough. We have to do better than we were doing now, otherwise were not going to get this done and people are going to suffer. Reporter the white house says there are enough people on the ground, including relief workers and troops. Our message to the people of puerto rico is this. The president is behind you. Reporter the president tweeting, fema and First Responders are doing a great job in puerto rico. Docks and electric grid, dead. Elaine duke is flying into puerto rico today. Im very satisfied. Reporter at the cruise port, we saw mounting frustration thousands of evacuees standing in sweltering heat for hours waiting to board a cruise ship. You literally cannot get off this island. If the ship did not show up i would not be home until the middle of october. Pit bull sent his private plane to take Cancer Patients to the mainland. Right now the island is working 100 depending on power generators. Power generators are not built to last forever. Its not sustainable. Its not sustainable. The army is helping to deliver diesel few to the hospitals. The pentagon put a threestar general in charge now. Now, to a new and frightening rock slide on el capitan. There was a massive rock fall on wednesday that killed a man and injured his wife. Miguel almaguer is there for us. Miguel, good morning. Reporter savannah, good morning. So much of this park even after eight days remains open this morning. Dramatic video captures the terrifying moment a wall of dust and boulders thundering down yosmites yosmites el capitan. The white crowd crashing 3,000 feet to the valley floor. Drivers watching as rocks come careening down the face of el cap. Its the second rock fall in as many days, striking without warning, at the peak of climbing season. We need that ambulance. Reporter the falling rock injuring one man. Taken first by ambulance and then flown out of the park. The roadway below el cap, cut off. The dust making it impossible to see. At the summit, three climbers breathing a sigh of relief. We honestly wondered if the entire side of the wall we were standing on was going to collapse. It was horrific. Reporter the slide, leaving a gaping hole in the monoliths southeast face. It comes one day after a rock fall killed 32yearold Andrew Foster of wales. His wife suffering serious injuries, airlifted out of the park. The National Park service says this latest rock slide was significantly bigger than the first. Its huge. Ten times bigger than the first. At least. Reporter el cap, one of the most challenging climbs in the world, is a top destination for those living on the edge. Rock falls happen at yosemite about 80 times a year. But its unclear what triggered the latest slides. Reporter park rangers say rock slides are about every day life here in yosemite. And despite the new rock slides, theres no increased threat. The park remains open. And at this very hour, theres climbers ascending that mountain slap behind me. Miguel, thank you. Theres a lot more to get to this morning, including the growing controversy around health and Human Service secretary tom price. He is apologizing for taking charter flights at taxpayer expense, but will that be enough to save his job . Hallie jackson is here this morning. Reporter this morning, the mea culpa from secretary price comes amid growing controversy of his plane rides. And now new details about what else he did overseas, and all that has his career hitting turbulence. This morning, a pricey payback. We heard the concerns. Reporter health and Human Service tech tear tom price doing damage control after his expensive plane travel. Some 400,000 worth of charter at times, mixed government business with personal visits. And now, new word, price wracked up another 500,000 by using military jets on an overseas work trip, along with his wife. The health and Human Services Committee Says price covered her bill. Hes underscoring the difference between those and a domestic charter that invite fare scrutiny. Now, putting price in an uncomfortable spotlight. I look forward to regaining the trust that some of the American People may have lost in the activities that i took. Reporter the secretary now says he will only travel commercial. No exceptions. And will pay back money for his seat on those private planes. About 51,000, part of the total cost. The controversial threatening prices place in the presidency. I work at the pleasure of the president. The president is a remarkable leader. Im incredibly privileged to serve in his cabinet and work on behalf of the American People. Reporter but does he think the president has confidence in him . Were going the work through this. I think we have the confidence of the president. Reporter those comments coming after a flu shot for the health secretary, but no booster from his boss when asked later by nbc news. Tom price says he has your confidence, is that true . Mr. President . Silence from President Trump. But his press secretary responding when pressed on whether price will keep his job. Were going through this process. Were going the conduct a full review and well see what happens. Reporter prices position as head of hhs comes after repeated failures to Reform Health care. And he moves on to tax reform. Its called a middleclass miracle. Reporter but new fallout now as his top economic advisers stop short insuring that top economic advisers stops short of middle class people will see a tax cut. I cannot guarantee that. You can find me someone in the country where theyre taxes may not go down. Reporter details on this tax plan are still limited. And the details are what could be so controversial and timeconsuming for law officials to figure out. And a senior official says the policy will be the backdrop for the president s speech in front of a group of manufacturers this morning here at the white house. Heres a story from washington that will make you feel good. A return home for steve scalise. He returned to capitol hill for the First Time Since the shooting that left him gravely wounded. [ applause ] reporter scalise received a standing ovation as he walked on to the house floor on crunches. This moment coming 15 weeks after the congressman was shot in the hip when a gunman opened fire during a practice for the congressional baseball game. Im definitely a living example that miracles really do happen. When i was laying out on that ball field, the first thing i did, once i was down and i couldnt move anymore is i just started to pray. Scalise praised the capitol hill officers that were on detail saying, you saved my life. I had a chance to see that as it was happening yesterday morning, and i watched start to finish and he was amazing. It was such a rare moment of unity on capitol hill. It was great. And for one of the Capitol Hill Police officers who saved him, to be right there in the audience. Good for him. Theres in developments in the involvement of russian interference in the president ial election. Days after facebook agreed to turn over thousands of russianlinked ads on the social network, executives of twitter find themselves on the hot seat. Whats going on . Reporter twitter faced off with congressional investigators for the first time on capitol hill, with more information on how the russians may have attempted to influence the 2016 election. But what the Company Revealed infuriated lawmakers who want much more. This morning a grim revelation from twitter, the social media platform revealing 201 accounts linked to russian operatives. In the leadup to the 2016 president ial election. After staying relatively silent on any role in the election, twitter executives disclosed new information to congressional investigators. This is a vulnerability we need to deal with. Twitter found the accounts by looking at 450 accounts that Facebook Linked to russia. 22 also operated on twitter. From those, they found another 179 related users. The company says its taking action on the accounts that violated its rules. Twitter disclosing that kremlinlinked tv network, russia today, known as r. T. , spent nearly 275,000 on twitter ads in 2016. Key lawmakers are not satisfied. Their response was frankly inadequate in almost every level. Reporter more questions will be asked on november 1st before an open hearing in front of the intelligence committee. Twitter, facebook and google have been invited to give more information, but none have said whether theyre going to attend. Founder of facebook, mark zuckerberg, responding wednesday that facebook is against him and making an aboutface on his postelection remarks. The idea that fake news on facebook, of which, its a very small amount of the content, influenced the election in any way, i think is a pretty crazy idea. Reporter zuckerberg now says calling that crazy was dismissive and i regret it. This week, facebook is also in the process of handing over 3,000 russialinked ads to Robert Mueller and congressional investigators. This is going to be part of the oversight . How soon did they discover how their platforms were being used . Reporter twitter says that overall it is concerned about violations of their rules, along with u. S. Law, with respect to interference in voting rights. A lot of drama going down on capitol hill. Guys . Jo, thank you. We are learning more this morning about an arrest that could help solve a murder in indiana that we have been following for a while now. And sheinelle is here this morning. The killing of two teenage girl made national headlines. One of their cell phones capturing a voice saying, down the hill. A man in colorado is being investigated for a possible link to the murders. Back in february, two best friends, 13yearold abbe williams, and 14yearold liberty german, went missing in delphi, indiana. Their bodies were found in nearby woods the next day. Its a murder that stumped investigators and tormented family members. The girls left behind clues, including a photo that could be their killer. And this short but haunting audio clip. Now, an arrest 1,000 miles away may provide a break in the case. Daniel nations was arrested by police in colorado on monday after he allegedly threatened several people with a hatchet near a hiking area in mt. Herman. When police pulled over his car with expired indiana license plates, they say they found a gun. Hes a registered sex offender and that makes it a felon and illegal for him to possess weapons. Reporter Colorado Police are trying to determine if he had anything to do with the shooting death of a mountain biker in the same area. We are investigating to see if theres any links. It happened that the complaints of the menacing charges happened the same weekend of our homicide. Reporter its this mug shot from a previous arrest that has Police Investigating whether he had something to do with the murders of the two girls. A citizen alerted the media that it looked similar to a picture in that case. That side by side sketch and pho photo was given to us, who gave it to an indiana state patrol. Reporter Indiana State Police said, we are aware of the arrest of the person in colorado, and investigating if he can be a suspect in the delphi murder investigation. But right now, theres nothing that connects this person to our investigation. The families of the girls are cautiously optimistic. Every time Something Like this comes up, we hope and we pray. And hope and pray some more. And we have learned that it just takes time. We had 26,000 other tips that maybe didnt get the publicity this one did. Reporter back in march, libertys grandfather told nbcs blake mccoy, the number of tips didnt matter. I need one. One good one. Thats what im after. Reporter nations is being charged on felony menacing and reckless endangerment. And the El Paso Sheriffs Department is anticipating more charges in the coming days. Nbc news reached out to nations attorney but have yet to hear back, guys. Now, to the anthem controversy in the nfl. A show of solidarity in green bay. Players and coaches from the packers and the bears stood arm in arm, during the singing of the starspangled banner. Some fans took part participating. Other fans chose the stand with their hands over their hearts. The controversy of players kneeling during the anthem, was reignited by President Trump who said players should be fired who dont stand for the pregame ceremony. He added in an interview on thursday he thinks the owners are afraid of their players. We have al here to look at the weather. Good morning. We have another area of interest to look at in the gulf. Its 99 l, with a chance of moving into a tropical system. This area right here in the fiveday development zone. Its going to bring tons of moisture into florida. The flooding potential is very strong. We are talking about three to five inches of rain, central and southern florida could see a real rainy month and year for miami. Its the fifth rainiest so far, since june 1st alone miami has gotten over 50 inches of rain and we could add to that before this whole system gets out of here. Were going to check your local forecast coming up in the next 30 seconds. In San Francisco, waking up to cloud cover. Here is a live look using the Weather Underground cameras. We will see a nice cooldown. Temperatures in the 60s for San Francisco. Right now, 59 degrees. The temperature trend will climb to the upper 60s by mid afternoon for a high of 69 in San Francisco. In san jose, expect to see slightly cooler temperatures than we have been experiencing in the upper 70s for a high of 79 degrees. And thats your latest weather. Guys . Al, thanks very much. Much more ahead, including this question will this be o. J. Simpsons last weekend behind bars . And the outpouring of support for emmy winner Julia Louisdreyfus when she revealed she is battling Breast Cancer. But first on a friday morning, this is oday on nbc. 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Police are investigating a deadly shooting at an apartment complex. It happened at the elan apartments near montague expressway. They say the victim is a man and he was found inside an apartment t