you're live in the cnn newsroom, i'm ana cabrera in new york. breaking news this hour, president trump announcing that the u.s. is pulling out of a landmark arms treaty with russia. here is the president. >> yeah, uh, russia has violated the agreement. they've been violating it for many years. and i don't know why president obama didn't negotiate or pull out. and we're not going to let them violate a nuclear agreement and go out and do weapons and we're not allowed to.

we're the ones that have stayed in the agreement and we've honored the agreement. but russia has not, unfortunately, honored the agreement. so we're going to terminate the agreement. we're going to pull out. >> this treaty has been in effect since 1987 when president reagan signed it alongside soviet leader gorbachev. ryan, what does this move mean? >> reporter: ana, as you said, this treaty dates back to the days of the cold war. it eliminated a wide range of medium to short range nuclear capable missiles. the soviet union and the united states came to this agreement. prior to that there had been an arms race in europe so this agreement helped end that arms race and reduce tensions during the cold war. the united states has long accused russia of being in violation of this treaty, of developing and fielding a missile banned by this treaty. the united states has now

announced its intent to leave the treaty. china is not party to this treaty, and senior u.s. military commanders assess that 90% of china's missile arsenal would be in violation of this treaty. so with an eye on russia and an eye on china, the u.s. is announcing its decision to leave. >> ryan browne, thank you for breaking that down. david sanger, national security correspondent for "the new york times," what's the timing on this decision, why now? the u.s. has known for years that russia was violating this treaty, so why the sudden urgency? >> it's a great question. when we broke the story about this yesterday in "the times," the white house was saying to me, there's been no decision yet, the president hasn't been presented with his options. you heard him in front of the helicopter, he was presented with his options long ago. they have signaled that this was coming. and in fact president obama thought about pulling out of the

treaty when the united states first discovered in around 2014 that the russians were violating it. but the concern was that the europeans would object to our pulling out of this and would feel considerably less safe as a result. and that they would rather have negotiated with the russians. it's been pretty clear now, though, that the russians have no intention of going back within the treaty's limits. one thing to add to what ryan said earlier, while it's called the intermediate nuclear forces agreement, in fact it covers some non-nuclear weapons as well. and of course china was any a signatory to it, and it's the chinese buildup that's got them most concerned. >> the president's national security adviser john bolton we know was in favor of pulling out of this treaty. he leaves today in fact for his trip to russia to, quote, continue discussions that began in helsinki. what kind of reception is bolton

going to get in moscow? >> so he gets to moscow on sunday, and he sees his counterpart monday, then he sees president putin on tuesday. my guess is that the russians have seen this coming for a long time. they're probably not going to be that upset about it because they're well ahead right now in putting these intermediate weapons out there. and the united states is going to have to play some catch-up. my guess is that the country that's actually going to be more concerned about it is china, the nonsignatory to the treaty, because their effort has been to push the u.s. back to sort of the second island chain in the pacific, and the u.s. effort at this point is i think going to initially be focused in the pacific, really not against the russians. >> that being said, the president pinning this move on what he claims are repeated russian violations, trump versus russia politics aside, it sounds like it is fair to ask whether a

nuclear treaty reached during the late '80s cold war is still even appropriate for u.s. foreign policy today in the multitude of different enemies including china and what they're now capable of, that maybe didn't exist in a time of two superpowers. >> that's right. the chinese were never involved in the negotiation and at the time didn't have weapons that would have concerned us. it's interesting, this was one of the few arms control treaties that was really greeted by conservatives when it was signed in 1987. first it was signed by ronald reagan. it was part of the reagan/gorbachev conversations. but secondly, at the time, the russians had to give up a lot more than the u.s. did and it made the europeans feel a lot more secure. what's happened since is that the russians in the past few years have really broken out because nuclear weapons are an inexpensive way to flex their muscles, that and cyber, of

course. here we are in a situation where the u.s. had to choose between staying inside a treaty that didn't mean much anymore or being constrained by it. >> david sanger, thank you for helping to explain it all to us. let's get into the politics of the u.s. now pulling out of this arms control treaty with russia. joining us to discuss that, cnn political analyst cara dimerjen and ryan lizza of esquire. cara, on the one hand i can see republicans back in the u.s., getting tough on russia. on the other hand, i can see nato supporters like, say, senator bob corker worried that once again we're breaking down u.s. ties with europe. >> yeah, there have been many fights about this in the annual defense bills in the last few years where you see proposals of, okay, if trump doesn't certify that this is going to be in force, then we're going to consider it not in force. but congress has never done anything to break the rules of the treaty. by saying we don't consider it

intact, that's the u.s. stepping back from it officially, even if we say russia has been practically doing it. and a lot of members of congress who believe in the international order do not like to see that happen. they say, we can renegotiate the treaty. you're right that the chinese threat is a real one and has to be responding to modern day threats, it's not just about russia. but to completely scrap it and say we're not doing this anymore is not setting an example of, we should have some sort of international order that actually regulates the proliferation of these types of weapons which can be, you know -- which we decided during the cold war years we did not want to leave unregulated. people are worried there is nothing in place as new terms are being sought out with other countries that that could be problematic. that was one of the reasons that the obama administration didn't pull out of the treaty, it was concerned about the arms race that could happen. ryan, at the same time here, the president making this move, is he now defanging his critics who

say he's too cozy with russia and its president, vladimir putin? >> yeah, the politics of this are a little bit more scrambled than they used to be, right? because so many democrats have become essentially hawks on russia, and critical of a republican president for not being tough enough on russia. and previously, for instance, if this had happened under president bush, you would have had a lot of democrats, you know, outraged and critical of the move as they were when bush pushed a more go-it-alone strategy, and was skeptical of previous arms control agreements. but i think some democrats are going to be inclined to say, okay, this is a sort of tough-on-russia proposal and we like it. other democrats will say, no, this is a republican president ignoring allies, ignoring the wishes of our european allies

and going it alone. and i think you'll see a little bit of the same debate in the republican party. it cuts across party lines. and politically, if we talk about it in terms of what does it do, how does the electorate respond to this, i doubt it has a huge impact on, say, the mid-terms coming up. >> let's talk more about what might have an impact. the president was in nevada today, campaigning for the midterms, now 17 days away. take a look at this. >> the unemployment rate just fell to the lowest level in more than 50 years. more americans are working today than at any time in our history. how do you lose an election with that stat, right? here in nevada, personal incomes have reached an all-time high. what the radical democrats did to justice kavanaugh and his beautiful family is a national disgrace.

it is. the democrat party has become an angry, ruthless, unhinged mob, determined to get power by any means necessary. the democrat party has become too extreme and too dangerous to be trusted with the power that they want. i need everyone here today to cast your vote, ideally today. how about raising your right hand. do you promise you will leave this site, go out and cast your vote right now? this november, vote for jobs, not mobs. >> we heard the president play to a number of central themes in this spreint toward the midterm. he's talking tax cuts, aiming at russia, talking about democrats and this wave of humanity headed towards the border, the caravan.

it all fits a simple bullet point agenda. you can recite it back after listening to him. two years after hedownhill -- took down hillary clinton. who on the left can answer him effectively? >> there's not a free for all, but people hoping to run in 2020 are hoping to get a congressional majority in at least one house in congress and also trying to get their face out there to see if they can build any momentum behind their aspirations of trying to make a run at the white house. but right now no one has emerged as the clear leader of the democratic party, a charismatic figure, like it or hate it, as much as president trump is. so he's able to set the tone for a lot of this. he's good at coming up with phrases that stick in your ear. it remains to be seen how this will play out. he was giving that speech in a

place, nevada, in a rural area of the state where he has a sympathetic audience but probably won't play well in a place like las vegas. right now it's district by district, state by state, to battle these congressional majorities out. and the president is received differently in different areas of the country. >> i want you to listen to some suburban women voters i spoke to in minnesota, a blue state. they are also in a swing district, however. here is hadwhat they think abou democrats. >> i think they're inept. i think they're ineffective. and i think their hearts may be in the right place. they may have -- they may even have good ideas. i think their messaging is poor. when the leadership of the republican party goes this way, oftentimes they have no answer. they have no rebuttal. and we need leadership. >> ryan, i quote, "their messaging is poor." democrats have had at least two

years to get this right. why are they still struggling with messaging? >> yeah, it's a good question. umm, i think that a lot of the candidates are caught between the messaging of just running against trump, because a lot of democrats think that that's pretty much all you need right now, he's very unpopular with their voters, he's very unpopular with independents, he's unpopular with the suburban voters that are very important in, say, 20 to 30 swing house districts. and so that's been the mainstay of the democratic message for the last two years, run against this very unpopular, controversial president who is alienating a lot of the groups that the democrats need. at the same time, a lot of democrats in these local races and in these statewide raises have trying to make the campaign about bread and butter democratic issues like health

care and social security and the role of government. >> can't they come up with some happy campaign slogan that has to do with that? >> some of the voters you were interviewing clearly weren't hearing that, and that's interesting. sometimes their message seems like it's not getting through. but when you go -- when i've been out on the campaign trail this year, i've been surprised at how much the debate is about local issues, bread and butter issues, and not what we talk about in washington every day which is trump, trump, trump. >> such a good point. good to have you both with us, thanks so much. >> good to see you. >> thank you. they've claimed for 19 days they had no idea what happened to journalist jamal khashoggi. now the saudis admit he is dead. and president trump is now weighing in on that possible audio recording of his alleged murder. the turks claim to have it. that's next, live in the cnn newsroom. hopes you drive safely. but allstate helps you. with drivewise.

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after weeks of denial, saudi arabia has finally admitted what the world has long suspected, that "washington post" columnist jamal khashoggi died inside their consulate in turkey. "the washington post," however, not buying the saudis' explanation at this hour. instead they're accusing the monarchy of, quote, a coverup. here is exactly what the saudis claim. they say that the nearly 60-year-old khashoggi arrives at the saudi consulate in istanbul on october 2nd, that he got into discussions inside that led to a brawl and died in a fistfight. a source says it was a chokehold, to be exact. you may recall that earlier this week cnn reported that the saudis were working on a report that claimed that khashoggi would say killed in an interrogation gone wrong. and that is exactly what the saudis appear to have released. last night president trump said he found the saudis' explanation credible but this afternoon he appeared to hedge when asked if he was satisfied that the saudis

had already begun firing people involved. >> reporter: are you satisfied that some of them have been fired? >> no. i'm not satisfied until we find the answer. but it was a big first step. it was a good first step. but i want to get to the answer. >> just a short time ago, president trump told reporters he plans to talk to the crown prince soon, possibly today. and while we wait for that call, we have cnn international correspondent ben wedeman live in istanbul and cnn national security correspondent mark masseti joining us live at the nation's capital. ben, does the saudis' explanation hold water? >> no. in fact it's leaking water all over the place, ana. you have the fact that the saudis for more than two weeks were insisting that mr. khashoggi walked out the back door of the consulate, then suddenly changed their story. there's also the fact, and this is fairly well-documented, that

on the morning of the 2nd of october, two saudi executive jets, charter jets arrived in istanbul with 15 people on board. women of was the head of the forensics unit at the interior ministry. they went to the consulate, spent the whole day there, and left in the evening. now, we also know, for instance, that the turkish employees at the consulate were either told simply don't come in on that day, or leave early. so there's a lot of suspicious activity going on at the consulate. the saudis simply have not explained it. the ultimate question is, where is the body? the saudis have told our colleague clarissa ward, who has been following this story, that they gave the body to what they're calling a local collaborator to dispose of.

they didn't call the police, they didn't call for an ambulance. but the saudis don't know where that is. so this story really is swiss cheese, and there's -- it doesn't hold water. >> there are so many holes in this mystery that we don't have answers to yet. mark, is this explanation going to satisfy other world leaders or big businesses who have already started cutting ties with the saudis? >> i mean, what is clear from the beginning is that the saudi regime is going to protect the crown prince, mohammed bin salman, at all costs. as ben said, the story has been evolving, and now it's that they had people very close to the crown prince carry out this operation. and yet they're saying the crown prince did not order the killing. this has already been greeted with great skepticism in europe by some republicans and democrats in congress.

president trump is the big question, about whether he is going to continue to press for answers. it doesn't appear, at least in the last 24 hours, that he is going to hold the crown prince's feet to the fire in terms of finding out the truth. and so -- but we certainly haven't heard the end of this. ben has raised all the questions that still need to be answered. >> ben, turkish officials claim to have an audio recording of cu khashoggi being tortured, murdered, dismembered. secretary of state mike pompeo says he hasn't heard it. listen to what president trump said. >> we're hearing about it as you are, probably from the same people. we haven't seen it yet. >> ben, why hasn't the administration seen or heard this yet? is there proof the audio or video exists? >> honestly, ana, there is no

proof that the audio recording exists. we have heard from turkish officials. we have heard from other sources that it's there. but until it's somehow played, it's all secondhand, is the problem. it's people who have been briefed by people who have heard it. but nobody speaking to the media has directly heard it. it probably does exist. now, it's a difficult question, what are the turks doing, bugging foreign embassies. but it's clear that that was probably taking place. but until it's actually made public, it really is sort of out there in the ether and nobody can get their hands on it. >> i mean, it seems like a key piece of evidence in terms of finding what the facts are. mark, let me ask you about your reporting, this new reporting on

attacks khashoggi was facing online. you write, he would see the work of an army of twitter trolls, ordered to attack him and other influential saudis who had criticized the kingdom's leaders. tell us about this effort to smother dissenters or quell critics. >> it was a campaign to target and silence influential voices in saudi arabia and abroad. khashoggi was one of them. we reported about how there is a so-called troll farm around riyadh where saudis are paid to basically systematically attack those who question the policies of the saudi crown prince, mohammed bin salman. interestingly as well, we report about how there was a high level twitter employee who for some time was believed by western

intelligence agencies to have been groomed by the saudi regime and went into twitter in order to spy on the twitter feeds of these activists. he was eventually fired by twitter and is now, we believe, working for the saudi government. so this was a very sophisticated campaign and it sort of shows how, while twitter and social media was hailed as this great democratizing force, there is a downside and a dark side that some of these authoritarian regimes can utilize quite effectively. >> can manipulate. mark mazzetti, your reporting is fascinating from "the new york times." ben wedeman, thank you so much for staying up late, i know it's 3:00 in the morning where you are. thank you both. a caravan of migrants is trying to enter mexico with hopes of making it into the united states. we'll take you inside their

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more tonight on that migrant caravan heading to the u.s. border from central america. the president of honduras said a honduran national fell off one of the trucks. there's stunning new video showing how desperate those migrants are. take a look at this. two hijacked trucks plowed through a fence at the honduran/guatemalan border.

today police say they are connected to that caravan. now two men from el salvador will be charged with attempted murder. tonight much of the caravan is slowing moving along the honduran/guatemalan border. they're trying to cross the river into mexico. thousands more are packed onto a bridge linking the two nations. look at all of these people. thousands of people. yesterday, some in this caravan at the very front tried to push past border gates and ran directly into riot gear and police with tear gas. children were caught in this chaos. several migrants leaped into the river below the bridge perhaps to escape the crush, perhaps to try to swim to the mexican side or turn back. cnn's bill weir was in the middle of all the drama. >> reporter: at high noon, the bridge at the border was empty. then for some reason guatemalan police throw open the gates.

>> no, it's closed. it's closed. >> reporter: the first tried to form an orderly line but it lasts only seconds as thousands more pour across, all with a mixture of exuberance, frustration, and determination. the surge of the crowd has managed to shove those padlocked gates open. but waiting on the other side, hundreds of mexican federales in riot gear. they held back the tide with a single tear gas canister. after a half hour of chaos, the crowd calms itself, even turning on the few trouble makers in the crowd, convincing them to climb back down off the fence. some can't take the heat and the

crowd, so they jump into the river. >> our message is, we're not criminals. we're coming here because we want to work. we need a job. we need better -- you know, a better life. that's why we're here. >> reporter: do you understand that president trump is going to use the pictures of thousands of people surging to the gates against you, he's going to point to the people and say, this is scary? >> this is politics. we respect -- you know, he's the president. he's the president of the united states. with all due respect, we are not criminals. >> reporter: "donald trump is the anti-christ," this man says. "if he doesn't repent, he's going to hell. we're not criminals, we're workers and fighters." eventually mexico opens to the caravan. but only a trickle are let through. women and children first, including marta torres who tells me her husband was murdered by honduran drug gangs. after walking for a week, her three other kids are still

across the river. do you want to go to the united states? have you heard, though, that president trump doesn't want more people coming and he's even separated families who try to come? "what should we do now then," she says, breaking down. there's no way you can go back home? "i don't want my kids in the middle of crime, i don't want the lives of my children further destroyed." mexico has taken the rare step of calling on the united nations to help sort this crisis. but this standoff makes clear that for most of these folks, there is no turning back. bill weir, cnn, mexico. >> and there's no end in sight at this point for those people. still ahead, a major american university is ready to pay nearly a quarter billion dollars to settle sex abuse allegations against one of its long time doctors. there could be thousands of

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and they're on the verge of more tomorrow. welcome back. a deal appears to be in the works in a massive sex abuse scandal at the university of southern california. the school issing off to settle a $215 million class action lawsuit. if approved by the judge, the money will go to current and former students who say they were sexually assaulted by this man, a former campus gynecologist named george tyndall. 93 more women came forward accusing tyndall of sblgs misconduct. but sara sidner tells us why

some women may be left out of the deal. some of what you might hear about the sexual abuse is graphic. >> reporter: as a law student at university of southern california 30 years ago, this woman says she went to the campus clinic to get birth control pills and was confronted with a choice by usc gynecologist dr. george tyndall. >> he told me i had a sexually transmitted disease, which i didn't know anything about, he told me he could treat me. and i would have to come back multiple times. and -- or he could treat me aggressively then. but it would hurt a lot. >> reporter: she opted for the aggressive treatment on her genitalia. >> he burned me without an an e for weeks. >> reporter: three decades later

she found out she never actually had a sexually transmitted disease. so your whole life this idea was hanging over your head that wasn't actually true? >> it was all a lie to get his hands on me. like he did to so many other women. >> reporter: hundreds of women have come forward with stories of sexual assault or misconduct by tyndall spanning nearly 30 years. several lawsuits have been filed against the former usc doctor and the university. the doctor has denied the allegations. >> he took pictures of me while i was completely naked. there was no chaperone present. i was barely more than a child, unaware that this immensely shame-inducing experience was not actually legitimate medical treatment but sexual abuse. >> reporter: then friday, usc suddenly sent out a statement in the case saying they had reached agreement in principle on a $215 million class action settlement that provides all members of the class, former patients who

received women's health services from tyndall, to get compensation of $2500. patients who were willing to provide further details about their experience could be eligible for a additional compensation, up to $250,000. the announcement came as a shock to her and her attorneys. >> it's good for the sexual predator, dr. george tyndall, and it's good for usc. it's horrible for the victims. >> reporter: usc disagrees. but it turns out the settlement has not been finalized h. a judge still has to approve it. it applies only to those who joined the federal class action lawsuit. >> what they're trying to do is force women who haven't come forward yet into a settlement that's grossly unfair and is secret. >> reporter: hundreds of victims have filed lawsuits in state court and have not settled. she used her you feltusc law de

come an attorney who worked on sex crime cases. she says she expects criminal charges to be filed against dr. tyndall and maybe others. >> we need to know who knew what, when, where, how, what they did, what they didn't do, who covered it up. >> reporter: dr. tyndall has not responded to our request for comment after the settlement. he has previously denied all the allegations against him. his attorney says he continues to cooperate with the investigation and he has not been charged with a crime. the los angeles district attorney's office has said they are reviewing 64 cases they currently have related to dr. tyndall. sara sidner, cnn, los angeles. >> joining us now to discuss, defense attorney mark geragos. my first reaction, how has he not been charged with a crime? >> well, i think because of the lapse of time. a lot of these cases and a lot of the incidents took place over

a sustained period of time. i think they want to do a good investigation. they don't want to be caught flat-foot flat-footed. this is somewhat of a ruse. it's a valiant attempt by the university to try to cap their liability but it's not going to really work. even if they get judge wilson to approve the settlement, most of the people will opt out, because there is a cap. you saw $2,500, i think there's a $250,000 cap. some of these cases, if proved true in a civil lawsuit, could be expo tensinentially larger t that. >> do you agree with the plaintiff's attorney who says this is, quote, horrible for the victims? >> yeah, i don't even understand what -- i would love to see exactly why they think -- whether i say "they," there are a couple of law firms involved -- that this could be good. it might be good for anybody who visited him who wasn't there. but a civil case is a much lower

standard than a criminal case. the d.a. is looking at can i prove this beyond a reasonable doubt. the civil case is clear and convincing, depending on what they're aiming for. >> we understand some of potential victims are left out of this settlement. do you think there will be additional lawsuits? >> absolutely. this is the federal class action. there is a whole series and slew of lawsuits in the state court that do not get swept up in this. and people can still opt out if they want to go federal. i think it's a kind of hail mary on behalf of the university. the president had to resign. they've got a new person in there who's trying to clean house. but there is a rather sordid history for usc in los angeles with doctors who worked there. >> this dr. tyndall was fired in 2017, the school reached a settlement with him but did not report him to law enforcement. they did not report him to state medical authorities at the time, the school says they weren't legally obligated to do so. do you feel they're open to some

kind of liability here? >> they absolutely are. that's one of the reasons they're trying to do something quick and effective but i don't think it's going to work, because they have a real problem here. they're taking the position they never should have reported it. there's people who will say absolutely you should have reported this and the fact that you didn't, and there's a whole theory that i won't bore your listeners with, but the plaintiffs' lawyers would show that, and if they could show that, there's a potential for punitive damages. >> we'll see where this goes. thank you so much, mark geragos, good to have you. >> thank you. >> nice to see you. a beloved 10-year-old lion dead at the indianapolis zoo. the killer might surprise and scare you. jeff corwin joins us next.

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. this shocking animal atake story is getting a lot of attention. the indianapolis zoo suddenly announces a lion killed the father of her three cubs. no one seems to know why. workers heard a lot of roaring. staffers rushed over and saw a lioness holding a male lion by the name of niak by the neck. employees tried to intervene without success. here is the indianapolis zoo chief. >> we know it's a rare occurrence, but it can occur in the wild and in human care. we're not sure what provoked it on this given day. >> the two lions had been housed together for eight years, no previous signs of aggression. i want to bring in wildlife

expert jeff corwin. thanks for taking the time tonight. how uncommon is this liep of lion attack? >> well, particularly, it's a rare event, but it does occur. people don't realize that lions can be very combative, very territorial. females will be very protective of themselves and their offsprings. during the reproductive window, oftentimes she will find herself being at the bad end of being aggressively pursued by a male lion. it's also captivity. over a decade ago, they lost a male lion to a lioness. this adult male lion, in his prime, ten years old, but there's a number of ways to explain it. >> is it more common for the male lion to be more aggressive

than male? >> in lion society, in a pride environment that you find, for example, in the prides of africa. female lions do most of the work. most of the hunting, most of the defending of the pride and they defend themselves and their offspring. they're the ones that are the sentinels with the cubs. and ana, the great question is, who are they defending themselves against? oftentimes, it is other lions. for example, when a male lion, a new rogue lion comes into a pride and outcompetes that residential male lion, the first thing he does is he kills all the female's cubs. but doing that, the females become in season and are able to reproduce. it's kind of a nasty battle of passing on the most powerful genetics to the next generation. it's like "game of thrones" amongst lions.

>> realistically is there anything the zoo can do to prevent a future lion attack like this? >> well, these are rare events. and i think their mission is to provide a natural environment for these animals so they can behave naturally, as they would do in africa. but they are not in the wild. they are in human care. i think they did the very best they could to manage the situation. this is very rare in captivity. i know of only one other example. but these are powerful creatures. they are territorial creatures, and both males and females in the wrong situation where they feel threatened can emit the most powerful offense to protect themselves in a defensive environment. >> they are powerful, they are majestic payable h -- animals. a fascinating story. thank you, jeff corwin, good to have you with us. >> that does it for me. thank you for being here. i'm ana cabrera.

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