linger. >> i'm trying to figure out what they're arguing. she wasn't subpoenaed when the serve us was wiped clean? but she said i've never had a subpoena? >> she may have answered slightly imprecisely one aide said after eight hours of trying. that's it for "the lead." i'm jake tapper turning you over to brianna keilar filling in for wolf blitzer in a place we like to call "the situation room." \s a . happening now, commissioner fired, baltimore mayor suddenly ousts the man in charge of the embattled police force amid widespread criticism of his response to the riots that erupted after the death in custody of freddie gray. meltdown a major computer failures halts trading on the new york stock exchange for hours on the same day that a major airline is grounded. what is behind these massive breakdowns. >> and dark web, a warning

that isis is using encrypted messaging, going dark in the uncharted reaches of the internet to pose a direct threat. we have new information about syria's plots. subway symbol jared, the pitchman may have dropped 245 pounds by eating sandwiches now subway is suddenly dropping him. what's it all about? wolf blitzer is offer. i'm brianna keilar, you're in "the situation room." this is cnn breaking news. >> we have following breaking news. it's been announced the mayor is replacing the police commissioner. and also developic, two vital parts of the u.s. economy struggling to recover from massive computer problems. one failure grounded united airlines passengers from coast to coast. then another computer breakdown caused the new york stock exchange to halt trading for nearly 3 1/2 hours today.

are these really separate unrelated problems? or are they a cyberattack? >> and it came just as congress was getting a dire warning about a new threat posed by isis yew encrypted communication. listen to this startling admission by the fbi director. >> we have disrupted just in the last few weeks very serious efforts to kill people in the united states. i know i'm giving information to bad people. we cannot break strong encryption. >> our correspondents, analysts and guests are standing by with all of the top stories developing. i want to begin with breaking news in ballot lord. we have cnn justice reporter evan perez he's joining us in the "the situation room", along with suzanne malveaux who is in baltimore today. evan, the mayor of baltimore just spoke out. what did they say? >> brianna, there's a breakdown in order.

the mayor said there was is it too much focus on the her. murders have been spiking and violence has been spiking in the city as well as arrests going down. too many continue to die on our streets, including three just last night and one earlier today. families are tired of feeling this pain and so am i. recent events have placed an intense focus on our police leadership distracting many from what needs to be the main focus, the fight against crime. we need a change. this was not an easy decision but it is one that is in the best interests of the people of baltimore.

>> 147 murders so far this year the number of arrests down dram lick. in may 1,952, 3200 in april, and 3100 in march. it goes to show you that beyond the disorder the murders the shootings that are pretty much a fixture of baltimore life also been a slowdown in the number of arrests made by police. the question has been what can the commissioner do there about it? so far it has not worked whatever prescriptions he's offered have not word. she's appointing kevin davis, the deputy commissioner to lead the department to help fix things. not clear whether he'll keep the job permanently. we had heard last week that the mayor's office had actually reached out to potential candidates so we had an inkling

this news was coming. we didn't know it was coming today. >> thanks evan. suzanne, you were reporting on the ground there in baltimore today. members of the police union have their say, what's their role in all of this? >> it's incredible how this happened today. there was this report that they issued 31 pages, a scathing record brianna of how the police department handled the civil unrest that turned into the riots in april after the death and funeral of freddie gray. it blames the commissioner point-blank and blames the mayor as well. saying that the safety of citizens and police were at risk. they say they were told not to use their issued helmets, and they were to pull back. and simply watch the looters and

rioters and what took place that night and into the morning. so i asked the president of the f.o.p. today is it time for the commissioner to go? he said this is not the time to step down but rather step up. the mayor, she saw this report as well and she blasted this report say it's political, and baseless. >> there is certainly a reaction to this coming from the folks who are being criticized by the union, right? >> that's right. you know the commissioner there, anthony batts, in an interview right after the disturbances addressed some of these, and said it was clear these police did not have enough training. there were officer there who never had any kind of riot training before. i asked him at the time you've been there long enough why didn't you change that? isn't this on your watch? he acknowledged that some of the changes he was trying to make

weren't happening quickly enough. he clearly has run out of time. it's clear also, though brianna and suzanne points to the fact that, you know this police department it doesn't matter who is at the top. if the officers don't want to do what is supposed to be done you know if the union is saying there's some other greater issue, then that's something the city has to deal with. because of concern over the legalities of what's going on there that he was one of the people that was very vocal. the mayor has been defending the commissioner for time and time again. thank you so much.

billy murphy is the attorney of the family of i'm hoping you have spoken have they reacted? ee done? and into this racist culture is as old as baltimore itself. it will take much more for a new commissioner.

we see this every day. about people who are -- of what is happening on the streets of the baltimore. and how police continue to act in the old way. what do you think needs to be done? it's a matter of analyzing the department from top to bottom and getting rid of some of these old racist cops that are unwilling to change and set an example in terms of disciplining these officers who keep doing it the old racist way.

to try to get the different culture, but when you have the same people who are committed to the old culture, who are now trying to tell to change that just doesn't work. >> billy murphy the attorney for family of freddie gray thank you. joining mess is justin fenton a reporter for the "the baltimore sun." what's the reaction justin to this new that has just broken that the top police officials in baltimore is gone? >> well certainly he's been under fire for several months now, but there was a sense that he and the mayor were going to try to weather this together. he had held many events where he was trying to show how much the police were engaged and focused on solving crimes but the murder rate has continued to climb. i would agree with your corresponds, that the timing of

it was certainly a surprise. there was a but when the mayor issued such a stinging rebuke of that report it seemed like the agency was going to continue along with its review and in fact commissioner batts had scheduled a press conference to talk about it and his firing was announced at about 3:45 cancelling that. >> why then what happens to be certainly a change in how you thought things might be going, that he and the mayor would weather this together. >> he's certainly a reform-minded commissioner in terms of putting in place so many different task forces and independent studies and a consultant report that indicated changes in about every aspect. the rank and file said they felt he was distracted that he was going to whatever the complaint

of the day was, and i think what the mayor said was the officers it's just become too distracting, there's too much going on and we need a change so we can settle this police department and get the ship righted. >> what about the rank and file. you heard from the lawyer of freddie gray's family and they feel that the rank and file are part of the problem here they're part of the issue that the community has with police. do you expect that any changes will be made there? >> that was certainly a struggle he had from day one. commissioner batts came here from california. almost from the start people were skeptical of him within the agency. there was a period where it seemed like things were humming along, but there continued to be i would say scandal after scandal here quite frankly, constantly putting out fires, and i think the events of the past couple months really caused things to boil over. >> justin really appreciate

your insight there, having reported on the baltimore police. i want to bring in cnn law enforcement analyst, and assistant director tom fuentes to talk about this. tom, we know there had been intense criticism of the police commissioner for some time. it sounded like as well he was being criticized from the get-go by the rank and file and certainly criticized in the wake of what we saw go down in baltimore following the death of freddie gray. was this inevitable? >> i don't think he did. if you look back to what he was trying to do and he tried some initiatives before the death of freddie gray. it just didn't seem to take. then after the death of freddie gray when you had those riots, when his principal spokesman went in front of the media that i day, and said we had a choice between protecting property and people and we chose people that was the most absurd

statement. you're there to protect both. that's why we have backups and mutual assistance. even as far away as washington, d.c. to come help. they didn't even call for it. >> do you 24i some of this is an issue? do you think part of the problem is an issue of the culture within the rank and file? >> i don't think it's just the culture. i think the culture will reflect senior management executive management. >> it's all one and the same? >> i think it is but there's been such a lack of leadership from the mayor, the city council on down criticizing the police for being too aggressive and aggressive tactics to take weapons off the street, try to bring the murder rate down and then criticize them for that, even bring criminal charges, so police are now in a position where they don't want to take a proactive measure, because that's profiling. they said a 911 call then they'll respond to it. you've seen what happened. when the police aren't there,

it's not the community leaders, not 9 collegy, not the educators that are on the street at midnight keeping these individuals from gunning each other down. it's the cops. and if they're not back and if people don't wake up and realize we need police to do their job, and we don't want them toe racist or biased we don't want racial profiling, about you we need them to step up and go face-to-face with his young gains terse and take the guns out of their hands. unless the cops do it nobody else is. >> tom fuentes. stay with me. we'll be talking much more about this in the minutes ahead. the top police officials for baltimore police gone. he has left the department. up next we will also be talking about two big computer meltdowns today, shutting down the new york stock exchange and united airline flights. we've got that ahead.

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officials at united and new york stock exchange trying to figure out what cautioned massive computer failures. flights were held worldwide. two massive computer failures on the same day. was this a mere coincidence or not? cnn and i have jails correspondent rene marsh has been working her sources. what are you finding? >> three major u.s. operations essentially brought to a standstill because of computer glymphing. right now the companies say this

was not the work of hackers. the new york stock exchange calling it a technical issue, united airlines blaming a faulty router. with the confluence of tech failures in one day one hours of each other, a bizarre coincidence, to say the least. . for nearly four hours, the new york stock exchange was at a halt. a technical computer glitch forcing the suspension of trades on the big board. it's unclear this hour how much money may have been lost but in the end, the dow was down over 200 points. in the travel world, from california to chicago, a backlog of passengers stuck on long airport lines, while all of united airlines' flights were grounded. >> well they have a systemwide ground stop due to a computer outage. >> reporter: a systemwide failure shut down operations for the major u.s. carrier for hours as well.

>> we were checking in and basically was told that the flight was canceled so they started rerouting us. >> we're just taking it as it goes. >> more than 800 flights delayed, another 59 canceled. agents were forced to issue handwritten tickets. >> the problem is when it happens at giant airline, you can get chaos the kind we saw this morning. passengers just have a matter of minute to makes connecting flights. when you have flights held sometimes not for minutes, but even hours, that can cascade through the entire system. >> but government officials quickly tried to assure the public that these were not malicious attacks. the malfunctions were not the result of any nefarious actor. >> there's no indication malicious actors were involved in these technology issues. >> we don't have any hard numbers on how many trades were lost. looking at the volumes of trades

today, there were about 200 million fewer trades than you would usually see. president obama is being kept abreast of the situation, and on the airline front, passengers brianna, still dealing with the ripple effects, the delays. you were one of the passengers earlier today. >> that's right, i was. >> this mess will continue possibly even into tomorrow. >> i woke up in cedar rapids iowa, went to get to my united flight they put me through mannelly and all of the passengers we had our names written down. >> old school. >> that's what they called it. rene marsh, thanks so much. so indicates that today's outages were signer attacks, jim scuitto has been working his sources. >> the dhs told me very quickly there were quote, no signs of malicious activity. the fbi springing into action immediately to investigate it.

still, when you look at these targets, you can understand why the suspicion were there earlier. the nation's stokes a major media outlet and the forensics investigation into what led all of these to happened. that forensic investigation is still under way. today on the hill we heard about an existing threat encrypted communications used by terrorists. this is repeated to me by every official i speak with and how immediate that threat is and remember the concerned we are reporting about before the july 4th weekend, here is what fbi director comey said moments ago. >> -- we have disrupted just in the last few weeks very serious efforts to kill people in the

united states. >> very serious efforts. that gives you a clear indication of how immediate the threat is and the fbi's ability to intercept and disrupt attacks, greatly reduced by an increased use of encryption. these are widely available apps. the users send messages the receiver gets a key to decode ma negligence. the fbi director maid it clear it has no secret way to counter this. >> we have investigation in all 50 states of people consuming this stuff, buzzing in their pocket all day long and they're trying to seek meaning in some sick way, and they are responding to this and then they disappeared and move over to mobile messaging apps. this is an enormous problem. >> and they have no way to counter act this. what they are asking for is for legislation to allow them to use a search warrant, in effect to break encryption but brianna,

there's a group of technical and security experts who came out with their own report tying to director comey's testimony today, saying this would not work. this is interesting in light of all these hacks, opm, for instance they say if you give the government the keys to decrypt these messages you can't trust the government with them. they could very well be hacked and then everyone would have them out there. in effect you can't trust the government with this kind of security information. listen you know based on the kinds of hacks we have seen and today they were not hacks, but we saw the opm and many other recently based on that you can understand that argument. >> the office of personnel management which essentially deals as hr for so many employees. >> millions of people and the most secure information about millions of federal employees released in a hack. if they can do that they can easily get these keys for decryption decryption. >> jim scuitto, thank you so much. joining mess is the

president of the computer security firm fireeye. we have former house intelligence charm, cnn national security commutator mike rogers. kevin, explaining to us exactly what encryption is and why isis appears tore so much better at this and why isis is stumping the u.s. and alous? >> whenever it comes to espionage, every new technology it would be adopted by bad guys. so there's a whole bunch of advocates say it's important to have privacy, we need encryption that's unbreakable, but for the 10% or 5% or however innately bad people or innately idea logically opposed to what america stands for, obviously it can be used. we can't pierce anonymity nor privy to their movements or intentions. it's another tool in the tool

bag. >> congressman you were chairman of the intel committee. you know a lot about this. put this into context. how much does isis's use of encryption hinder the intel gatheren that's so essential for the u.s.? >> well it's not just isis it's all of the bad actors that they track. it's getting more and more serious. we debated this about this nothing of going dark. the -- this is a big and growing problem. so you have tech companies who are making rightly so the case about privacy. this is about privacy. at the same time they're creating a system that would not allow law enforcement or intelligence to stop violent acts of terrorism or of crisp acts around the world. this is a debate we're going to have to have. it is having serious consequences. they call it going dark.

that's exactly what they're seeing happen and why you saw the director of the fbi so concerned today united airlines the new york stock exchange we're being told by the u.s. government nothing nefarious here but how can they be so sure? might it take time to determine that positively? >> it may take time but in general when your site is as prominent as the new york stock exchange o. any of the airlines you rely on available of data. anytime you go dark like this it's either a hardway problem software problem or security problem, and your job is to triage that. but at the end of the day, just from observing this from the outside, i think it was just a coincidence that these things happen on the same day. every day there are companies going down by accident with a hardware or software glitch. these are very prominent organizations that went off the grid today. >> kevin, congressman mike

rogers also our cnn contributor, thanks so much for giving us context here. coming up with u.s. help iraqi forces are planning an operation to recapture an isis-held city. we have new information on that. and jared, the pitch man you know for the restaurant chain, he may have dropped 245 pounds by eating subway sandwiches but now subway is dropping him. what's going on there. big day? ah, the usual. moved some new cars. hauled a bunch of steel. kept the supermarket shelves stocked. made sure everyone got their latest gadgets. what's up for the next shift? ah, nothing much. just keeping the lights on. (laugh) nice. doing the big things that move an economy. see you tomorrow, mac. see you tomorrow, sam. just another day at norfolk southern.

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two months ago, iraqi troops

fled from ramadi basically handing it over to isis. with the u.s. assistance a campaign is in the works to reverse that humiliating defeat. the stakes couldn't be higher. barbara starr has new information. what are you learning? >> this is one of the most critical developments in the u.s. war against isis a development that may be coming very soon. >> cnn has learned racki troops mae soon begin combat operations to retake ramadi from isis control, a town they lost to isis in may when they abandoned their post in the face of an isis offensive. a u.s. officials tells cnn that the u.s. has been helping iraqis put together an assault plan that could be ready to go within the next two to three weeks. >> this would be a test of the competence of the iraqi security forces. it's a test they must past.

>> reporter: just weeks ago, the defense secretary fewer injures when iraqis ran from ramadi the second largest city in the ice sis stronghold. >> what apparently happened was that the iraqi forces showed no will to fight. >> the join chiefs chairman lading on you new details. >> the ramadi campaign which about a month ago was about to be executed precipitously has actually been with our help is now a very deliberate campaign first to isolate it then to go back and rekar further it. >> iraqi forces would begin by moving west towards ramada from the air base. already shia militia units are on the outskier to isolate -- at the same time other iraqi forces would move east towards fallujah to ensure isis forces there don't stage an attack from the rear. but there are thousands of isis

fighters inside ramadi. it's a huge challenge to get them out and hold on to the city. >> it's tough to even go in and clear houses clear rooms, because as soon as you open a door you're going to find an explosive device. >> the bald is changing in syria as well. in the region growing concern the regime is on the verge of collapse the joint chiefs chairman strugglinging to predict what the day after would look like. >> i won't tell you i have the answer to that but i will tell you we are in consultations, even as i sit here with the turks, the israelis and jordanians about that scenario. >> those iraqi secure forces have a tall order ahead of them. if in fact they can kick isis out of the ramadi. that will be very difficult, but if they can, the next step is to convince the people of ramadi to trust the government in baghdad. brianna?

>> might be even more difficult, the second thing there. coming up another deadline comes and goes that the u.s. and other world powers are negotiating with iran. will they reach the finish line? i'll be asks marie harf. wait until you hear what he has to say next.

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a deadline came and went this week but world powers are still negotiating with iran on a deal. there's been progress and there's so much at stake the parties may just keep talking. joining muss to talk more about what's going on, marie harf. is there an actual hard deadline for the deal at this point? >> well brianna, we're really taking these talks day by day. i think one of my colleagues used a baseball analogy, going into extra innings. that's where we are right nour. we've been always focused a getting a good quality agreement rather than a date. certainly we've had hear democrats and republicans say they want us to keep talking to get a better deal.

>> what is the holdup? we've been hearing from government officials like yourself but tell us what the general sticking points are here. is it breakout sometime? sanctions? what is it? >> well there's not just one sticking point. when you get such a complicated technical agreement, every single piece has to come together. we always knew these would be the toughest issues. the toughest issues even come down to the very end. we have to be assured the steps are -- cuts off the pathways to a nuclear weapons. they need the kind of assurances they need on the sanction side. every single word of these texts and annexes are being pored over by our experts in the hotel. and there are big sticking points that remain. >> if this is so open-ended, and it appears, as you've said, there is no hard and fast

deadline that this is in extra innings, we're hearing concerns even from top democrats, one saying he's worried that the u.s. is getting rope-a-doped by iran. what assurances can you give that's not happening? >> the reason we are still talking, and we haven't signed on to an agreement yesterday is we don't have an agreement that's good enough yet. it doesn't have the assurances we need so we are taking more time. i've heard, as i said republicans and democrats come out and say if the secretary and this team needs more time they should keep taking it and pushing the iranians to get what we need. these decision also don't get easier with time because there are political decisions that both the iranians and others have to take here. so we are seeing if we can finish this in this round. nobody is talking about staying for months or months. we all want to get home. >> what is the time then, when

the u.s. says it's time to walk away? >> well that's a great question. at this point we are taking it day to day. our team are still up. it's almost midnight here, meeting behind me with the iranians seeing if we can keep making progress. we really don't know how the next days will play out. i'm sure we'll know more about what the future holds, but we're closer than we have ever been but we're not there yet. >> if you don't have a line of when you should walk away how do you rebut this criticism that perhaps the secretary and the president are just too eager to get a deal? >> well i would counter that by saying we've been negotiating for 18 months here. if we were too eager to get a deal we would have taken one a lot time ago. we wouldn't have had our experts here -- sorry it's a little windy here tonight. we wouldn't have had our experts here for over a month now hashing out every single details

with the iranians and with the other partners. we are going to stay at the table until we get a good deal. >> marie harf thanks so much for joining us. we'll be talking with you in the days to come. coming up he was the symbol for subway, familious for dropping more than 200 pounds but amid controversy, subway is drops jared fogle. and donald trump talks to anderson cooper. will he double down on the shocking remarks? hear what he had to say. >> we don't know where they're coming from.

the abrupt dismissal of one of the country's well known pitchmen is raising questions tonight. jared fogel the face of subway sandwich shops for years. you know him. brian todd has been looking into what changed here. brian. >> what changed jared dpchlt ofogle's image. agents swarming his house. tonight. fogle's lawyer tells us he has the not been arrested or charged with anything. this story has layers that made the subway chain very uncomfortable. >> hi i'm jared the subway guy. >> reporter: among the most famous pitchmen in fast food. >> hey, jared. >> tonight, jared fogle is no longer a spokesman, he is at the center of law enforcement activity raising questions. federal and state law enforcement, raid his home. carted off computers and lech

electronics and left neighbors bewildered. >> own thing i see around their home happy people. waving. so shocked, upset. saddened. >> reporter: also shocked the subway chain which suspended its relationship with fogle and issued a statement saying they believe it is related to a prior investigation of a former jared foundation employee. subway didn't name the employee but in may, russell taylor who worked for fogle's anti-obesity foundation charged with seven counts of producing and possessing child pornography. according to the charging document, two thumb drives found in taylor's home which had child pornography on them also had references to taylor's employer. taylor's attorneys are not commenting. jared fogle's lawyer tells cnnfogl cnnfogle has the not been arrested or charged with any crime. >> is he upset? how is he handling all of this? >> i think quite well. >> reporter: the partnership

between fogle and subway has been a success. the chain found out about the young man who once weighed 400 pound inhaled fast food and claimed he lost 200 pound by eating subway sandwiches and exercising. >> come on. >> reporter: subway's sales skyrocketed immediately after fogle's ad started airing and he is reported to have a net worth of $15 million. a crisis and branding expert who advised several companies said that may all come crashing down. >> even without confirmation, facts, no charges filed this is devastating to his career and his brand standing. >> his identity is so theirnarrow. one thing, one company. one issue. this is going to stick to him. >> reporter: and subway has been reducing fogle's role in recent years before this. and he says subway's brand was already in trouble. sales have been down. comb pa fission from chains like quiznos have been a threat to

subway they absolutely cannot afford to associate with jared fogle at this moment. subway did not return our calls or e-mails. seeking comment on that. >> thank you so much for the report. coming up. baltimore's mayor suddenly fires the police commissioner amid widespread criticism of his response to the riots that erupted after the death in custody of freddie gray. >> donald trump talking to cnn. not backing down on his shocking comments about immigrants. what about the immigrants he employs? >> they're talking about the building we are sitting in right now. they're saying trump tower was built -- ve... how i stay active. so i need nutrition... that won't weigh me down. for the nutrition you want without the calories you don't... introducing boost 100 calories. each delicious snack size drink gives you... 25 vitamins and minerals and 10 grams of protein. so it's big in nutrition and small in calories. i'm not about to swim in the slow lane. stay strong. stay active with boost®.

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happening now. breaking news police chief fired in the aftermath of the baltimore riots and freddie gray's death. the city's top cop just been ousted. what will it mean for racial tensions and violent crimes? >> cyberfailures. computer meltdowns paralyze america's biggest stock exchange and major airline. their connection here. who is to blame? grilling trump. andersen cooper one-on-one with the republican candidate and ask if he is being hypocriteical on immigration? >> can you guarantee you don't have illegal, undocumented workers working in hotel projects. >> i can't guarantee it. i can't guarantee anything. >> the fbi warning that young girls are increasingly falling victim to predators demanding naked pictures and making terrifying threats. we want to welcome viewers in the united states and around the world. wolf blitzer is off, you are in "the situation