on this sunday night, peer evil. tough words from britain's prime minister over isis. his grief-stricken brother also speaking out. we're on the front lines in iraq and sear as the world weighs how to confront the net. the fallout on this football sunday, protesters target the nfl and the commissioner as yet another player is sidelined. ready to run? hillary clinton returns to iowa for the first time since her failed bid for president. >> i'm back. >> raising expectations that she'll make another run for it. and living with alzheimer's. a teen-ager's simple new invention that could change the

way millions of families cope with the disease. from nbc world news headquarters in new york. this is nbc news with lester holt. good evening. great britain is still reeling over the beheading of a aid worker by isis. and the killer of david haines may also be a british citizen but fighting for isis. hours after video of the brutal murder surfaced on the internet yesterday, cameron had a meeting with his military and security to discuss options. and haines killing has increased the urgency to organize a u.s.-led coalition to defeat isis. but the most poignant reaction comes from the brother of the slain hostage. let's begin with kristen welker at the white house. >> our brother, son, father,

nephew, husband and friend was brutally and cold bloodedly murdered by isis. >> a grief-stricken michael haines. isis released a videoo and also threatening alan herring. haines, 44, was a father of two and a long time aid worker captured in syria last year. >> my first reaction could be one of hatred. but my brother's life wasn't about hatred. >> david come ran vowed to hunt down the killers. >> islam is a religion of peace. they are not muslims, they are monsters. >> and anger from the white house. >> we're going to beat them. they stand for nothing but what

they can destroy. >> the latest execution could pressure the u.k. in launching air strikes. the white house has received some commitments. australia agreeing to send 600 troops, france vowing to conduct air strikes and senior administration officials said today several arab countries will participate in an air campaign. >> there are some clearly prepared to take action in the air alongside the united states and to do air strikes, if that is what they are called on to do. >> on "meet the press," former secretary of state james baker said despite the president's pledge of no boots on the ground, some u.s. forces are needed. >> i'm afraid to say what i think it will be. it will be u.s. special ops forces and people like that on the ground. >> a growing threat yet again claiming another innocent life. >> unfortunately it was not in our hands, it was not in the hands of the government. it was in the hands of terrorists. >> a new nbc news wall street

journal annenberg poll show while many americas support the president's decision to take action, 68% lack confidence they can take out the group. kerry will meet at an international conference focused on the isis threat. and the president pledged this past week to step up the fight against isis and that means stepping into another conflict in battle-scarred syria. isis is one of the dangers of competing aims and alliances, locked in one of this planet's bloodiest wars. bill neely is there tonight with this report. >> reporter: syrian troops battling rebels who threaten the capital damascus. they have overwhelming fire pour but it is not -- fire power but it is not working.

they are gaining ground. i've seen syrian war planes but president assad's isis is not working. >> behind me they have been bombing rebel positions over there. hundreds of times. this is a car that has gone on for three years and now cost 200,000 lives but it is a war about to enter a dangerous new phase. american war planes may be the next over syria, bombing isis. the regime's men don't like it. >> is it a good thing? >> no no no. >> we don't want americans bombing our country, they say, unless they coordinate with our president. >> this one says america is lying. it just won't bomb isis. they trust syrian, not u.s. air strikes. >> reporter: the u.s. is preparing to enter a long and dirty war.

for syrian air strikes kill civilians and not just rebels. dozens in damascus in recent days. syrians christians are horrified at the latest isis beheading. >> what they are doing, it is bar bearan things. >> reporter: they pray for all of the war dead, a war now on the brink of western ache strikes and a deadly new phase. bill neely, nbc news, damascus. and while the u.s. prepares to carry the fight for isis in syria, the battle in iraq is far from over. millions of lives have been impacted and many uprooted from their homes and on the run and still others face an ugly ultimatum from the terrorists. here is richard engel. >> reporter: the cost of doing nothing against isis is written on the faces of the iraqi christians. they escaped their homes when the militants took over last month. and now they live in a

construction site and handing out food and cooking what little they have, sleeping in make-shift rooms, their lives are on the line. hanny gurgis fled, but his brothers weren't so fortunate. >> translator: we left 14 of us in one car when isis came. my fro brothers were following on foot but we got separated and when i looked back, my brothers weren't there any more. where many of the families are from was once the largest christian city in iraq and now it is occupied by isis and mostly empty. the christians moved to erbal where a church yard is a refugee camp. isis is giving three choices. convert to islam, be killed or run to one of the few safe places left. >> reporter: those who manage to escape, pray for salvation from a group that is targeting all of iraq's ancient religious

minority, international agencies are overwhelmed. >> we are looking at 17 million iraqis who have been affected by the crisis and violence. >> reporter: that is more than half of the population? >> correct. yes. it is immense needs. we are talking millions of children affected by the crisis. >> reporter: at the construction site,al hanny can do is -- all hanny can do is wait for response from his brother. he spoke to them on the phone and said they were forced to convert to islam and used as slave labor. they say there is only one nation powerful enough to take them on, and that is the united states. richard engel, erbal, iraq. back in the country with a full schedule of sunday games, all eyes on the nfl following a week of controversy involving star players in cases of domestic abuse. tonight more bad news for the league as another player was

sidelined and now calls grow to side line the commissioner. peter alexander has more. >> reporter: with the nfl returning to action, a reversal by the panthers, benching greg hardy who was convicted of assaulting and threatening to kill his girlfriend. he is appealing. he didn't play but still got paid, $772,000. >> at the end of the day, i had to make the decision in the best interest of the panthers. >> reporter: and today outrage in the skies. a women's group called for the replacement of roger goodell. >> we need to see them to enforce those rules and support those involved in domestic violence. >> redskins dan snyder under fire for his team's nickname which some call effective.

roger goodell has had the best interest of football at heart on and off the field. still fuelling pressure on the league, social media like this image of an ad by sponsor cover girl photo shopped on twitter, mocking, get your game face. >> i feel the nfl is in a crisis on how do you deal with the world now brought to them through social media, the backlashes there. they used to act with impunity and now they don't any more. >> today hall of famer chris carter became emotional criticizing the minnesota vikings to sit star adrian peterson, charged with allegedly abusing his 4-year-old son. >> they did the right thing. take him off the field. we are in a climate right now, i don't care what it is, take him off the dang-on field. >> some fans altered his jersey to send a message of their own. >> and tonight the san francisco 49ers will play the first regular season game in a brand new stadium, expected to be on the field, ray mcdonald, two

weeks after the defensive lineman was arrested for allegedly beating his pregnant fiancee. mcdonald has not been formally charged. they will find out if the 49ers have decided to bench him in 20 minutes. >> peter alexander in new york. thank you. tonight firefighters in the west are feeling the heat. not just from wildfires but from the record-breaking temperatures sweeping the region. it is a brutal combination and making the battle against the fires all the more difficult. hallie jackson reports. >> reporter: 1200 acres torched in southern california but fires just one of the elements the crews are forced to fight. triple-digit heat is adding another risky dimension to an already dangerous job. >> what is it like to be in these conditions carrying what you were carrying. >> just imagine the hottest place you've been in, and add another 20 degrees to. you think you can go faster but you just slow down.

>> reporter: helicopters also dliefred water to crews to keep them hydrates. >> when you are hiking the hills in the 100 plus degree temperatures is makes our job that much more difficult. >> reporter: the evacuation covered 200 houses, forcing out families like the hughes. today is the first time tomorrow since friday, though they weren't allowed to stay. >> it looked like a different planet, all of the vegetation is gone, the rocks all exposed. >> reporter: farther north in california, two other wildfires burned a half dozen builds. >> i saw the flames across the street and i started crying. >> reporter: more than 50 wildfires are scorching the west right now where the stubborn heat appears to be sticking around. >> it looks like a couple of days, through the early part of the week, tuesday we start to see things calm down just a tad. >> reporter: for now crews must battle blistering conditions a little bit longer. hallie jackson, nbc news,

orange, california. and also tonight a major hurricane. hurricane odile is a category three storm threatening the mexico baja peninsula with winds up to 125 miles per hour. it is on track to hit the area overnight and will continue heading north along with the strong winds, it is bringing heavy rain and a dangerous storm surge to the reechblgon -- region known for luxury resorts. when we continue, abuse and cover-up at a facility for death and autistic children. and why hillary clinton's visit to one state might be a clue for her national ambitions. else as well: jobs all over america. engineering and innovation jobs. advanced safety systems & technology. shipping and manufacturing. across the united states, bp supports more than a quarter million jobs. when we set up operation in one part of the country, people in other parts go to work.

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the fbi has launched an investigation into the national deaf academy in central florida who patients include some of society's most vulnerable deaf and autistic children. tomorrow three families are filing suit against the facility. stephanie gosk has our exclusive report. >> reporter: when hannah called her son that night two years ago, mother's intuition kicked in. >> i sensed something was wrong. >> reporter: she and husband john raced to the national deaf academy in florida, where their 13-year-old had been receiving treatment for the last three months. >> his first words to me were my nady has coming for me. he lost 20 pounds. >> his hair was really long. he had bumps and sores all up and down his arm. >> reporter: it got worse. later that day doctors examined him and found signs of sexual assault. >> he's been broken and our

family is broken. >> reporter: they went to police but without any evidence, they closed the case. since that case, our nbc news investigation uncovered allegations involving ten other children, including neglect and improper restraint and physical abuse. two former employees saw patients with choke marks and abusing and say management was told to cover it up. >> i was told we were not supposed to talk about it. >> but she went against her bosses. >> i've never called them 12 times in a six-week period. and she was suddenly fired. and so is another employee who reported what he'd seen. both believe they lost their jobs for speaking up. >> i'm not happy now, because it is hard to find a job and i do like what i do. but i couldn't live with myself. >> reporter: all of the allegations fell within the time

period ceo dina goldstein ran the facility. >> reporter: miss goldstein. >> we tracked her down for response. >> i'm a correspondent -- before you leave, give me two seconds to talk to you. she's are serious allegations and i want to give you the opportunity to respond. >> reporter: 14-year-old daniel, deaf since birth attended back in 2010 and he said staff pulled his hair and knocked him out with sedatives. he said i would scream because it would hurt because they would take me down and give me the shot. he needed help after his time there. and one woman adopted him. she is prepared to sue the academy. >> if he had come to our family before all of this, we would not have the same types of challenges we have right now. >> they say the isolated and unacceptable incidents alleged in this piece are exceptions and do not reflect the high quality of care provided at nda, nor the

hundreds of success stories of children whose lives have been enhanced by their time at nda. the national deaf academy remains open, a place promising to help but some say is responsible for nothing but harm. stephanie gosk, nbc news, mount dora, florida. coming ou♪ ♪night. it's time to bring it out in the open. it's time to drop your pants for underwareness, a cause to support the over 65 million people who may need depend underwear. show them they're not alone and show off a pair of depend. because wearing a different kind of underwear, is no big deal. join us. support the cause and get a free sample of depend at underwareness.com

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i'm back. >> for hillary clinton, her first trip back to iowa since she came in third here in 2008, losing to barack obama and even john edwards. an experience she described as excruciating in her new book. this time her supporters say will be different. and at a last hoorah for tom harkin, she raised expectations that she's all-in. >> well, it is true, i am thinking about it. [ cheering and applause ] >> but -- but for today, that is not why i'm here. i'm here for the steak. >> reporter: organizers for the ready for hillary were bussed in from all over the country. but democrats who supported obama last time like janet peterson want to see if hillary clinton has changed. >> i think she'll have to come and tell us what her message is

for the country and give iowa a chance to determine that. it is still a long way off. >> even tom harkin supported obama last time, despite his relationship with the clinton. >> what do you think about hillary clinton in this state. she said it was excruciating in third place last time. >> what happened was a phenomenon, barack obama. >> does it feel good to be back out here? >> it was a great day. couldn't be better. >> some iowa democrats want to hear more from hillary clinton where she will take the country. they say she is not liberal enough for them. but for those who watch her today there is no doubt hillary clinton is getting ready to run. >> a

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finally tonight, of the 5 million americans living with alzheimer's disease, about 60% of them wander off at some point. a problem that inspired one teen-ager to find a solution that is now getting a lot of attention. here is nbc's jill friar. >> every day kenneth shinozuka makes new memories with a grand father whose old memories are vanishing. [ singing ] >> reporter: kenneth sings to him the same song his grandfather taught him. >> what is it like living with your grandfather has

alzheimer's. >> it is hard. my grand father has lost the capability to eat and walk by himself. >> reporter: it surfaces when kenneth was 4 years old and within a few years he started wandering at night and once on the freeway. >> we were woken up by a police officer knocking on the door. it was very real and very scary. >> reporter: unable to find a device that detected wandering, this teen-ager decided to make his own. >> he wants to help people. he wants to solve problems for people. >> reporter: his invention is a sensor, apply pressure and it immediately triggers an alarm on a smartphone. >> that was instant, wasn't it? >> yeah. >> he got an inturnship at the alzheimer's association and he suggested putting the sensor on a sock so it would go off the moment it touched the ground. >> incredible for a sock and more by a sock invented by a 16-year-old. >> now he is testing his

technology at assisted living homes at irvine colleges. >> you've been helping with the device. >> ida wears the socks at night. so far no false alarms. >> sensors create and the tracking is accurate and it goes to a smartphone so it is a win-win for all of us. >> he has earned the science award, an invention that could some day help millions, inspired by one young man's love for his grandfather. >> reporter: jim friar, nbc, newport coast, california. that is "nbc nightly news" for this sunday. brian williams will be here today. i'm lester holt reporting from new york. from

captions paid for by nbc-universal television san francisco's golden gate bridge, and tonight the city's football team, the 49ers, moves into its new home some 40 miles southeast in santa clara levi stadium. colin kaepernick and the niners rolled past the cowboys last weekend in dallas while jake cutler and the bears lost their opener at home last week in overtime to the bills. tonight, they face the san francisco team that has made it to the conference championship