Good evening. Once again tonight our attention has been focused right back on ferguson, missouri. There is now reason to believe were getting close to learning the grand jurys decision on whether theres enough evidence to charge the white Police Officer who shot and killed an unarmed black teenager. Tonight, the governor of missouri has declared a state of emergency ahead of that announcement. And that gives him the ability to mobilize the National Guard. Everyone is calling for peace and calm in those streets that saw so much violence this summer, but tonight the governor is taking no chances. We start off tonight with our report from nbcs ron allen in ferguson. Reporter a passionate group of demonstrators disrupted streets near the courthouse where a grand jury is deciding whether to indict officer Darren Wilson in the death of michael brown. How does this all end peacefully . Were not going to stop. Reporter today, missouris governor declared a state of emergency, warning of possible expanded unrest and activated the National Guard. Hundreds of troops were called in last august when violence erupted after browns death. Police say all the protests have not been peaceful. Its been very hazardous. Reporter tension building as Police Records obtained by the st. Louis post dispatch show new video of officer wilson hours after the fatal encounter at the police station. And police radio calls that day tracking a robbery suspect. 25, its going to be a black male in a white tshirt. Hes running toward quick trip. Reporter officer wilson asks if hes need. 21 to 25 or 22 you guys need me . Reporter later, wilson reports his location, the place where he shot and killed brown. 21, put me on canfield with two. Reporter the newspaper says brown was dead some 90 seconds later. Get us several more units here. Theres going to be a problem. Reporter now, appeals for calm on the air from the local nfl team. And in high schools from Police Captain ron johnson, a ferguson native widely credited with helping keep the peace. What you saw in the street, did that surprise you . That raise, that anger . That part, did that surprise you . The magnitude of it did. Some of the people i saw as moms and dads and Business People and educators. Reporter some still on the streets now with the decision from the grand jury expected any day. Tonight protest organizers are criticizing governor nixons decision to declare a state of emergency and activate the National Guard saying it sends an aggressive message to authorities preparing for a confrontation. The governor says hes doing everything appropriate to ensure public safety. Ron allen starting us off on a cold night in ferguson, missouri. Ron, thanks. Now we turn to news from overseas with the latest video featuring the murder of an american, a former soldier doing volunteer work. A mass beheading, we will not show obviously. Isis keeps trying to outdo itself in terms of shock value. It remains the face of horror and terror in the modern world and this now ups the pressure to find them and defeat them. We get our report on all of it tonight from our chief Foreign Correspondent richard engel. Reporter in indianapolis friends and family remembered the 26yearold iraq war veteran who dedicated his life to help victims of war, and paid for it with his own. Our hearts though heavy are held up by the love and support that has poured into our lives these last few days. Reporter peter kassig traveled to syria last year to volunteer as a medic and was kidnapped. In captivity he converted to islam and changed his name to abdul rahman. It didnt help. He was tortured and saw some european cell mates released for ransom. And others, american and british, marched out to be killed. Secretary of state kerry defended the u. S. Policy. The United States has set a heart rending but absolutely necessary example by refusing to pay ransom for captured americans. Reporter the isis video is revealing. Kassig makes no statement and is never seen alive. It was shot in dabiq, an isis held town in northern syria. Behind the hooded figure trees and buildings are visible that appear to match similar landmarks in aerial photographs. The video also shows syrian soldiers executed by isis fighters. The killers faces exposed. Like in the mafia theyre now implicated. They cant go home. One fighter, identified today as maxime hauchard, a french national, the goal to drag the u. S. Into a ground war and to show u. S. Air strikes havent stopped them. Isis is Still Holding at least two western hostages, British Photo journalist john cantly forced to become a spokesman for the group. And a 26yearold American Woman who hasnt been identified. Richard engel, nbc news, istanbul. Back in this country the weather is making news tonight. There is more snow on the ground across our country than we usually see by christmastime. In some places its been measured in terms of feet on the ground. You can see the sheer size of the storm right now clocking the eastern seaboard. By tomorrow parts of every state in the union will have temperatures below freezing. And this same system has triggered an outbreak of tornadoes across the south as parts of florida, for example, go from the 70s to the 30s in a day. Our meteorologist dylan dreyer is covering it all. Shes in eerie, pennsylvania for us tonight, dylan, good evening. Reporter good evening, brian. Temperatures have been dropping fast here now that that first storm system is moving out. But this cold wind is going to turn on the lake effect snow machine. I90 here, the main road to buffalo, could be shut down at times tomorrow because of whiteout conditions. Its not just here. Bad weather is to blame for so many travel problems all across the country. Recordsetting cold is quickly sweeping the nation bringing heavy snow and dangerous bitter cold. Im freezing. Reporter high winds, even spawning ten tornadoes in the south. More than 200 million americans across all 50 states will suffer through temperatures at freezing or below tomorrow. Many already in the midst of it. Bad news for anyone trying to travel by air in hard hit areas like columbus, ohio and louisville, kentucky where crews spent the day deicing planes and shoveling tarmacs. Treacherous icecovered roads led to deadly crashes in minneapolis and indianapolis. At least six People Killed this weekend. Dozens of spinouts and trucks off the road in oklahoma. Sleet, fog and plummeting temperatures will only make travel more difficult, like in ohio where the weather channels mike seidel is. Right now its easy to clean the snow off the windshield, but tonight temperatures are going to plummet across the midwest. A forecast tomorrow morning here of 9. Thats a record low. And everything out here is going to turn into a solid sheet of ice. Reporter on the banks of Lake Superior in ashland, wisconsin, ice is already forming weeks ahead of schedule. In the south 100mileperhour winds and tornadoes tore through central georgia. And an ef2 tornado hit the florida panhandle. Watches and warnings have residents on alert tonight as this massive system pushes east. Now, lake effect snow will get started here tonight. Its already begun in michigan and areas downwind of the great lakes will pick up one to three feet of snow. Elsewhere its all about the cold. Tomorrow morning were looking at single digits, teens and 20s, afternoon highs tomorrow about 20 degrees below average and even colder for some on wednesday. But maybe, just maybe, brian, we could start to turn the corner in time for thanksgiving. Dylan dreyer on a cold night in eerie, p. A. , dylan, thanks. This past weekend as millions of us were watching nfl games, several teams got a big surprise when they walked off the playing field. D. E. A. Agents were waiting with some questions and some demands. The feds want to know if team doctors are handing out painkillers illegally to players as alleged by some former players. We get our report tonight from nbcs ron mott. Reporter agents with the d. E. A. Conducted surprise inspections of the seattle seahawks, cincinnati bengals, Tampa Bay Buccaneers and San Francisco 49ers shortly after their game ended sunday. The d. E. A. And everyone else is always investigating teams to make sure everybodys doing things the right way. Reporter a federal official familiar with the investigation tells nbc news authorities want to know whether theres a Prescription Drug freeforall in the nfl. If doctors are in fact failing to examine players before prescribing them drugs, if theyre illegally transporting and dispensing drugs where they arent licensed. Whether trainers have improper access to these medications. The Officials Say agents questioned team doctors and other medical personnel and inspected their bags. A washington sports columnist broke the story and said as many as six teams were targeted this weekend. When an extremely popular prominent American Business like the nfl when theres evidence there may be painkiller abuse, its the d. E. A. s job to step up and get involved. Reporter the searches were triggered by an investigation into an alleged Prescription Drug violations by nfl teams outlined in a lawsuit filed by former players six months ago. The nfl has sought to dismiss the suit. Retired super bowl winning quarterback jim mcmann said the nfl culture led many players like him to addiction and failing health. A lot have bad kidneys, bad hearts. We just dont know what all these medications were doing to our bodies. Reporter an nfl spokesperson said our teams cooperated with the d. E. A. And we have no information to indicate that irregularities were found. Another off the field headline for the nfl in a year filled with them. Ron mott, nbc news, boston. Tonight were getting what appears to be a new look at the Malaysia Airlines flight 17 crash in eastern ukraine. It was back in july. The video appears to show the initial moments right after impact. U. S. Officials believe prorussia separatists shot the plane out of the sky killing all 298 on board. Conditions in the region have further deteriorated since then. Stepped up military activity including fierce fighting for control of the nearby donetsk airport. Sad news from nebraska today where for the second time an ebola patient has died on u. S. Soil. His name dr. Martin salia, he was a citizen of sierra leone after living in maryland. Dr. Salia contracted it in his native country. Just on saturday he was flown to nebraska medical center, the same facility that successfully treated dr. Sacra and ashoka mukpo. As he first led on to our own anne thompson, pope francis is coming to america, hell travel to philadelphia for a threeday visit to attend the world meeting of families. Philadelphias mayor today said it will be the largest event in that citys history, an estimated more than 2 million visitors. The pope is expected to travel to new york and washington, but vatican officials have yet to confirm those stops. Still ahead this evening, the storm of controversy surrounding bill cosby. The growing allegations of Sexual Assault as another alleged victim has come forward. And later a young woman dreaming of a mission to mars, shes doing all the right stuff to get there. To get there. [prof. Burke] its easy to buy insurance and forget about it. But the more you learn about your coverage, the more gaps you might find. Like how you thought you were covered for this. [boy] check it out,mom [prof. Burke]when youre really only covered for this. Or how you figured you were covered for this. When youre actually paying for this. You might be surprised at whats hiding in your coverage. Talk to farmers and get smarter about your insurance. We are farmers bumpadum, bumbumbumbum [announcer] call 1800farmers and see how much you could save. I have the worst cold with this runni better take something. Dayquill cold and flu doesnt treat your runny nose. Seriously . Alkaseltzer plus cold and cough fights your worst cold symptoms plus your runny nose. Oh, what a relief it is. Why suffer more than you have to . You can do something different. Because the landscape of options has changed. Brisdelle is the only fda approved, nonhormonal option proven to reduce moderate to severe hot flashes during menopause. And the bedtime dose provides 24 hour relief. Brisdelle is not for everyone. Call your doctor if you have changes in mood or behavior, thoughts of suicide, or a high fever, stiff muscles or confusion, signs of a possible lifethreatening condition. Abnormal bleeding, bone fractures restlessness, vision problems, and impaired judgment and motor skills may occur. Dont take brisdelle if you are pregnant, taking maois thioridazine, pimozide, or are allergic to paroxetine. Tell your doctor about all your medicines like tamoxifen, triptans, or paroxetine. Side effects include nausea, vomiting, tiredness, and headache. Change is in the air. Its time to talk to your doctor about the only fda approved, nonhormonal option. Brisdelle. Introducing. A pm pain reliever that dares to work all the way until. The am. New aleve pm the only one to combine a safe sleep aid plus the 12 hour strength of aleve. Some serious allegations have come roaring back against an entertainment and comedy icon of the modern era, bill cosby, a man who lit up the air waves of this very network with the landmark cosby show. But several years ago he faced a flood of accusations of Sexual Assault, some going back decades. Now while he has chosen silence, yet another woman has come forward. We get our report tonight from nbcs cynthia mcfadden. Reporter to many bill cosby was americas tv dad. I just want you to do the best you can. Reporter but nearly a decade ago the Iconic Television star was accused of Sexual Assault. He denied the accusation and no charges were ever brought by the prosecutor. I remember thinking that he probably did do something inappropriate. But thinking that and being able to prove it are two different things. Reporter cosby did settle with the alleged victim for an undisclosed amount, though that wasnt until her lawyer promised depositions from 13 other women with similar stories. Several came forward at the time including former california lawyer tamara green. The first thing you feel is stupid. And then you feel that no one will believe you. This is the great bill cosby reporter the story seemed to have died, but it started up again about a month ago when video of the standup comedian accusing cosby of the old assaults went viral. Still, cosby and his wife kept the longscheduled interview with npr on saturday. They may wish they hadnt. There have been serious allegations raised about you in recent days. Youre shaking your head no. Im in the news business, i have to ask the question. Do you have any response to those charges . Shaking your head no. Reporter shortly after the npr interview the 77yearolds lawyer issued this statement. Over the last several weeks decadeold discredited allegations against bill cosby have resurfaced. The fact that they are being repeated does not make them true. Professor jonah burger studies why content goes viral and says this story presents a perfect internet storm. I think it caught on very quickly, but its also going to die out very quickly when the next piece of juicy news comes along. Reporter what effect of the rekindled interest on new alleged victim came forward sunday with a story almost identical to that of the others, what she says happened when she was just 19 years old. I said this is my time, i cant let this go any longer. I wanted to join the people who have talked about this already. Reporter nbc announced plans last summer for a new cosby debut next summer or fall. Some critics wonder whether those plans will move forward. Nbc entertainment declined to comment. Our senior Legal Correspondent cynthia mcfadden. Cynthia, thank you as always. When we come back, hes a tall drink of water, now very wealthy as well after signing the richest contract in the history of american sports. Can. Ive had moderate to Severe Plaque Psoriasis most my life. But that hasnt stopped me from modeling. My doctor told me about stelara®. It helps keep my skin clearer. With only 4 doses a year after 2 starter doses. Stelara® helps me be in season. Stelara® may lower your ability to fight infections and increase your risk of infections. Some serious infections require hospitalization. Before starting stelara®. Your doctor should test for tuberculosis. Stelara® may increase your risk of cancer. Always tell your doctor if you have any sign of infection, have had cancer, or if you develop any new skin growths. Do not take stelara® if you are allergic to stelara® or any of its ingredients. Alert your doctor of new or worsening problems including headaches, seizures, confusion and vision problems these may be signs of a rare, potentially fatal brain condition. Serious allergic reactions can occur. Tell your doctor if you or anyone in your house needs or has recently received a vaccine. In a medical study, most stelara® patients saw at least 75 clearer skin. And the majority were rated as cleared or minimal at 12 weeks. Stelara® helps keep my skin clearer. Ask your doctor about stelara®. Its in this spirit that ingu u. S. Is becoming a new kind of company. One that helps you think differently about whats ahead, and whats possible when you get things organized. Ing u. S. Is now voya. Changing the way you think of retirement. This is hardly what our founders had in mind say nothing of the returning world war ii vets who went to work on an engine of prosperity. The shocking stat out today showing that about one in 30 American Children was homeless some point in the last year. Thats about 2. 5 million kids, half of them younger than 6 years of age. It all goes back to poverty with 20 of children living below the poverty line, many of them chronically hungry. Well, if weather and cloudy skies and bitter cold arent big factors where you live, you could head outside tonight for the annual meteor shower. It will require patience, ten to 15 meteors are expected every hour, which for true space buffs is just plenty. He has been called the most exciting player in baseball, and now Giancarlo Stanton of the mar lins can pick up dinner. He is a tower of power. Now he signed a 13year 325 Million Contract extension. It comes out to about 68,000 a day every day for 13 years. And its the richest single contract in the history of american sports. For comparison, its about 50 million more than the arod deal, and he has now signed for about three times what the Milwaukee Brewers total payroll was for all of last season. A morning news anchorman in australia made it a mission that underscores the huge fashion double standard between men and women. He says hes worn the same blue suit on the air for a year and nobody noticed. Contrast that to his female coanchor who is hardly able to repeat an outfit in the same week without attracting attention and scorned. His coanchor said it best in fact, women are judged much more harshly for what they do, what they say and what they wear. When we come back, mars or bust. The mission that began for one girl when she was 3 years old. Girl when she was 3 years old. Enjoy your break thanks. I love being on stage. But when i get time off, i take advantage of it. I have postmenopausal osteoporosis and a high risk for fracture. And i know the best way to enjoy a break. Is to help reduce my risk of having one. Thats why i take prolia®. Its different. Its two shots a year. Prolia is proven to help make bones stronger. And help increase bone density. Do not take prolia® if you have low blood calcium, are pregnant, are allergic to it, or take xgeva®. Get medical help right away for a serious allergic reaction causing low blood pressure; trouble breathing; throat tightness, fa, lip, or tongue swelling; rash, itching or hives as they have happened to people taking prolia®. Tell your doctor about dental problems, as severe jaw bone problems may happen, or new or unusual pain in your hip, groin or thigh, as unusual thigh bone fractures have occurred. Prolia® can cause serious side effects, including low blood calcium, serious infections, which could require hospitalization; skin problems; and severe bone, joint, or muscle pain. Remember, the best breaks are the ones we have out there. Not in here. Take action. And talk to your doctor about prolia®. When you take advil you get relief right at the site of pain. Wherever it is. Advil stops pain right where it starts. Relief doesnt get any better than this. Advil. I wish. Please, please, please, please, please. [ male announcer ] the wish we wish above all. Is health. So we quit selling cigarettes in our cvs pharmacies. Expanded minuteclinic, for walkin medical care. And created programs that encourage people to take their medications regularly. Introducing cvs health. A new purpose. A new promise. To help all those wishes come true. Cvs health. Because health is everything. We have a we have a final story here f tonight about reaching for the stars. It takes some folks a lifetime and a few false starts to figure out their true calling. But there are others who find it starting at a young age simply by looking skyward. Tonights story about following your passion from nbcs harry smith. Reporter a robotics tournament at a junior high in baton rouge where its cool to be nerdy and fun to compete. The future is all over the floor here. Scientists, engineers, problem solvers. And if 13yearold Alyssa Carlson has her way, the first astronaut to mars. I guess i just love space because its a curiosity of whats out there. You know, ive always looked out as like thats some place we need to explore. Its in our genes to explore as humans. Reporter alyssa is a space prodigy. Shes been obsessed with the red planet since she was little. How old was alyssa when she said, daddy, i want to go to mars . Three years old. Reporter a passion her father has indulged and nurtured with summers of travel to all manners of space camps and visits to every single nasa facility. Shes got e. T. In her blood. Theres something calling her to that planet. Reporter you like wearing that suit, dont you . I love wearing my suit. It kind of represents everything ive done nasalike. Reporter alyssa combines the whimsy of a 13yearold with the wisdom of a space pro. Thats alyssa doing a ted talk. Its now time for us to explore beyond this planet. Reporter when folks in washington wanted to discuss mars travel, they brought in some ph. D. S and, yes, alyssa. When you go to all these nasa facilities and say i want to go to mars, i want to be on that mars mission, what did they say to you . You know what . Were building a rocket for you. Reporter yes, nasa is still in the Space Business and will test its new orion spacecraft next month. A mars mission they say could be a reality in about 20 years, and we know someone who will be ready. Harry smith, nbc news, baton rouge. She needs a copilot, she knows where to call. Thats our broadcast on this monday night as we begin a new week. Thank you for being here with us. Im brian williams. We of course hope to see you right back here tomorrow evening. Good night. Lights, camera, access. I will her. Because it happen to me. The shocking rape allegations return. I am billy bush and why now . And how many women accused