Good evening. It was an attack that drew comparisons to the Charlie Hebdo massacre in texas. This happened in texas. And the attackers were shot and killed before they could kill. It happened at a dallas suburb where a group the Southern Poverty Center has called a antiislamic hate group. Authorities are investigating it as a possible terror attack. The two shooters have been identified and it least one it turns out had already been on the fbis regard. Reporter this mangled car driven by the two gunmen detonated by police to get rid of potential explosives as authorities investigate whether this event was a terrorist attack. Were looking into that. We have knocked that out. Were work ing with the fbi. Reporter one of the suspects was known to the fbi. Convicted five years ago of lying to federal agents about his plans to africa. Some have called the group a antiislamic group. It sponsored a contest offering 10,000 for the best cartoon for the muslim prophet muhammad. Something considered offensive. Two men in body armor jumped out of their cars and opened fire. The only thing standing between them was a traffic oofficer. The officer was using his duty pistol. The officer returned fire killing the attackers. He did a very good job. And probably saved lives. We are going to move yall into the auditorium. Reporter video taken inside shows swat officers trying to calm the guests. In a matter of seconds the Garland Police department came in secured all exits, and said they didnt want us to leave the room. Reporter Law Enforcement sources say simpson and the other suspect were rumts in phoenix. They searched their apartment for the planning behind the attack. The groups leader rejected that she provoked the attack. I think violent jihadists put them in danger. Reporter many Muslim Leaders have condemned the attack. One of the gunmen tweeted out his allegiance as a holy warrior warrior. Bill clinton making headlines responding for the first time to a storm of accusations from critics about big money t. Donations from Foreign Countries to the clinton foundation. Cynthia mcfadden is traveling with the former president and getting answers. Reporter former president bill clinton said he had no regrets about taking millions from foreign governments for his foundation. I dont think theres anything sinister in trying to get wealthy people and countries that are seriously involved in development to spend their money wisely in a way that helps poor people and lifts them up. I dont think theres anything bad with that. Reporter even while the criticism rumbles, the heart warming stories in africa are undeniable. Their goal a Million People will be fitted for hearing aids by 2020. This boy will hear for the first time. Good . Reporter the former president chalked up most of the criticism to heart knuckle politics. Theres has been a very deliberate attempt to take the foundation down. The foundation has said it will only accept money from six foreign governments. Do you think it was a mistake to accept the other donations . No. Its an acknowledge that were going to come as close as we can during her president ial campaign to following the rules we followed when she became secretary of state. Reporter he defended the 10 million to 25 million give bine sarb. Noting the saudis have given to many president ial candidates. I will say this if anybody could show me that anyone had tried to do that i would stop taking their money. Reporter you know theres a perception outlet there that the clintons play by their own rules. Well i know the email account, the mistakes on the tax forms with the foundation. Tell your viewers, tell your viewers what were those mistakes . Reporter the 990s . Tell them what the mistakes were . Reporter on the line with government contributions were supposed to be those were zero. Those were put in a different location. We did disclose all the foreign governments. There was no intent to hide them. Its not like we didnt tell anybody who gave us the money. The guy put it on the wrong form. Reporter it was an innocent mistake . Of course it was. It was all in there. Reporter it hadnt been on there years before. I know i cant explain why they cant do it. Reporter it isnt just the foundations funds that have come under attack its his own for giving 11 speeches for 500,000 or more while his wife was secretary of state. Shes now running for president , will you continue to give speeches . Oh, yeah. I got to pay our bills. I also give a lot of it to the foundation every year. You know we got a lot to do. Reporter here in africa the controversies back at home seem very far away. These are some of the poorest kids in kenya. A sampling of the 10,000 who are now attending high School Thanks to commitments made through the Clinton Global Initiative. My dream is now real. Reporter this program has been a withdrawn whopping success. Theres never been anything like the Clinton Global Initiative where you raise hundred billion dollars worth of stuff. Its helps many people. Reporter from working with local farmers in tans neia to a clinic in kenya. Bill clinton said hes deeply proud of the work and believes the criticism doesnt add up. Think about that. There is this big nefarious strategy to exercise terrible influence over the American Government by talking wealthy people in countries into giving money to help poor people. Thats the theory of the case. And i just dont believe over the long run, the American People wont figure that out. Reporter if your wife is elected president , will you step down from the found Found Foundation . If its the right thing to do i will. Reporter why might you step down . I might if i were asked to do something in the Public Interest i had an obligation to do. Or i might take less of an executive role. My work is involved in this. You can see, so i might do that. But well cross that brij bridge when we come to it. Reporter meanwhile hes getting back to work. Even with controversy swirling over the clinton foundations funding, Hillary Clinton still leads the Top Republican candidates for 2016 in a new nbc news wall street journal poll. The bad news for clinton, fewer people believe shes honest and straightforward. That number dropping from 38 last year to 25 now. This comes as clintons lawyers say she has agreed to one day, not two of testimony before Congress Later this month about benghazi and her private email server. The republican side of the race for president got more crowded today with two more candidates jumping in carly fiorina, the former ceo of hewlett packard. Who ran a race for senate in california in 2010 became the First Official gop candidate for 2016 today. Retired neuro surgeon ben carson announced he is joining the republican field. Jurors in the penalty phase of the Boston Marathon bombing trial saw something today they havent seen since the trial began. A show of emotion from Dzhokhar Tsarnaev. As his relatives from russia took the stand. Pete williams was in the courtroom. Reporter after Dzhokhar Tsarnaev sat stone faced while dozens of witnesses told of the pain and suffering he caused today he showed emotion for the first time wiping away tears as relatives from russia recalled his childhood. His 66yearold aunt waved to him during a courtroom break, overcome at seeing him, unable to testify. She was one of five relatives from russia brought here to talk about his past. All were issued electronic ankle monitors housed in a secret location. Cousins told the jury he was especially close to his older brother growing up. But they said when tamerlan visited them in russia a year before the bombing he had embraced radical islam. Defense lawyers play pd a recording talking about jihad. According to a defense translation. He said maybe youre able to hold it down but i havent been able to. I have this rage of hatred inside me. The case could go to the jury by the middle of next week tsarnaev tsarnaevs lawyers are calling for life without parole. Thank you. New tensions in baltimore today where the calm on the streets was briefly broken when Police Arrested a man on a handgun charge and they were quick to tamp down on reports the man had been shot. The family of gray is speaking out about the charges filed against the Six Baltimore Police officers accused of being involved in his death. I sat down with grays mother sister stepfather and their attorney and asked them about their reaction to the filing of charges. I was shocked, but happy to hear that charges i didnt expect it so soon. But i was really happy that it turned out this way. Gloria freddie was your baby. Talk to me as a mother. The pain that youre experiencing. I got a i wish it never happened. It had never happened. And wont never be the same. I will never be the same. Fredrica you last your twin brother, freddie. Its for me to lose my twin its like i cant sleep at night. I cry. I really miss him. The pain i feel is unbear unbearable. Tell me about the freddie we havent heard about. The funny freddie, the freddie thats always happy and smiling and caring and loving. I think this is a question id like to address to you if i may, sometimes in these cases, there is a tendency to want to turn it back on the victim. People saying why did he run. Well he had a record. What do you say to those people . Theres no relevancy to that at all. Because the police had no basis other than him running to stop him or to arrest him. And theres no crime called running while black. And theres no crime called felony running. Richard, when the violence broke out last week were you concerned that it would take the focus off of justice, off of freddie . I was so hurt and ashamed that they would apparently attempting to use it in a name of freddie. And i was very discouraged with that. Very discouraged. Things turned around very quickly. People stood up and said no more violence. You were one of the voices. Yes. That called for peace. Yes. Even though it was a tragic situation, we must protest and raise our voices in a peaceful manner. So my conversation with freddie grays family still ahead here tonight. An nbc news exclusive. Melissa rivers opens up about the loss of her mother. Why her death was preventible. Facebook and a life begins with a howl, we scream, shout shriek with joy. Until, inhibition creeps in, our world gets smaller quieter, but life should be loud. Sing loud, play loud, love loud. Dentures shouldnt keep you quiet life should be ringing in your ears. Live loud, super poligrip. 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Tonight eight months into the shocking death of joan rivers her daurth melissa, is opening up in her first interview about her mothers passing following a throat procedures. She sat down to talk about joan. I had gotten emails on the plane that she was already in a medically induced coma and they were dropping her body temperature. Which i knew was bad, because that was a protocol for catastrophic brain injury. Reporter do you remember when you walked in the hospital . Uhhuh. Reporter what did you see . I couldnt believe what i was seeing. It becomes very surreal. There is my mom and machines and doctors. Reporter a week after she underwent a throat procedures at yorkville hospital. She died. In my opinion, it was 100 preventible. Reporter what could they have done right off the bat to prevent this . How about Pay Attention to the vital signs . Reporter she is suing the hospital and doctors who were responsible for her care. An an theseiologist denies any wrong doing. Yorkville endoscopy say they use state of the art monitoring device and have emergency resuscitation equipment immediately available during every procedure. Reporter there were wild storiesment what did you hear that bothered you the most . The selfie. Reporter explain it for people who dont know the selfie. There was a story circulating that during the procedure the doctors were taking selfies of myself while they were working on my mom. Reporter is it true . Allegedly they werent taking selfies they were taking pictures of themselves. Reporter it wasnt technically a selfie but your mom was in the picture. Allege. Reporter melissa says she hasnt seen the photos. A doctor did use a cell phone to take pictures of joan rivers while she was unconscious. You write about the time shes in the hospital. She was surrounded by those who she loved most. I layed in the bed and held her for a while. I didnt have to tell her i love her, she knew. She didnt have to tell me she loved me i knew. 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And its wrong philadelphia gets less School Funding than other parts of pennsylvania. Ill work with harrisburg to change that. But if they refuse ill take them to federal court. As mayor ill do whats right for them. They were a couple that appeared to be living the dream. Facebook coo Sheryl Sandburg and her husband. The virtues of their marriage were written in a book. In one unexpected moment everything changed. Here is Nbcs Joe Fryer on his sudden death. Reporter he was coo of a Successful Company and married to Sheryl Sandburg. Authorities in mexico say goldberg died from head trauma while collapsing while exercising on vacation. He was 47. He wasnt larger than life. He lived a large life. Its a tragedy that one of the good people in Silicon Valley happened at such a young age. Reporter his wife spoke out about finding a good life partner. If you pick someone who is willing to share the burdens and the joys youll go further. Reporter in her best selling book she wrote she found that partner in goldberg. He is my best friend. Dedicated coparent and the love of my life. He ran the online Polling Company survey monkey and supported his wish for gender equality. Goldbergs family is asking everyone to share their favorite memories on Facebook Page joe fryer nbc news. Los angeles. When we come back its a tribute how the duke and duchess deci my constipation and belly pain feel like a raging storm. Ive tried laxatives but my symptoms keep returning. My constipation feels like a heavy weight that keeps coming back. Vo linzess can help. Oncedaily linzess treats adults with ibs with constipation or chronic constipation. Linzess is thought to help calm painsensing nerves and accelerate bowel movements. Linzess helps you proactively manage your symptoms. Do not give linzess to children under 6, and it should not be given to children 6 to 17. It may harm them. Dont take linzess if you have a bowel blockage. 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Eat loud, live loud, super poligrip. Super poligrip holds your dentures tightly in place so you never have to hold back. Laugh loud, live loud, super poligrip. For months of speculation the suspense is over. We now know the name of kate and williams baby girl. If youre thinking is she would be named after princess diana, youre kind of right. Reporter william and kate introducing their new daughter. Kate somehow managing to look great ten hours after giving birth. Today, london celebrated. Guns fired. Bells rang. All for her Royal HighnessPrincess CharlotteElizabeth Diana of cambridge. Whats in a name . Charlotte evokes her grandfather, charles. Among the first to pay a visit. Elizabeth, her great grandmother, the queen. And, of course diana. Gone now for almost 18 years. The grandmother shell never know. Elizabeth and diana never close, now brought together in a name. She doesnt want his mothers memory to die. He wants his mother to be remembered for what she was. She will be now. Reporter william has championed his mothers memory from the beginning. He proposed with his mothers ring. This is my way of keeping her close. That same ring on prominent display for charlottes debut. Also on display briefly, Prince George who turns two in july. A little bewildered but clearly the master of the royal wave. A skill he may teach to his little sister someday. Katy tur, nbc news. For all of us at nbc news thank you for watching and good night. In tears, her first words about living a lie. Now on extra. Was it all a dream or is it a nightmare for kris jenner . I feel sometimes like it didnt exist. Her emotional new confessions about her marriage to bruce, plus kris daring outing without makeup. Royal baby fever, the secret glam squad who got if you mom kate camera ready hours after baby charlottes birth. My wife was like how is it she look that good . Tigers surprise split. Split. Why lindsey vonn is done after