. i'm fredricka whitfield. much more straight ahead from paris with jim sciutto. hello and welcome to our continuing coverage from paris, i'm jim sciutto. >> i'm brianna keilar in new york. >> right now something remarkable has happened here in france. what was already expected to be a massive rally in paris to show the world's resolve and unity against terrorism exceeded everyone's expectations. world leaders from all other europe the arab world, the middle east israel the palestinian territories russia they linked arms and marched along with an estimated 3.7 million people not just here in paris but in cities and towns all across france. the french government says this public showing, this enormous turnout of people and world leaders all with a single purpose and focus is the largest mobilization of people in their country's history. israel's prime minister is also

in paris for the events marking the victims of last week's violent islamic extremism. one of the places where the terrorists took hostages and killed some of them was a kosher grocery store in eastern paris. the president of france joined benjamin netanyahu at the grand synagogue in paris just a short time ago. cnn's arwa damon was there earlier today. arwa prime minister netanyahu spoke inside that synagogue this evening. he got a roaring, resounding welcome. what was his message to jews and others gathered there? >> >> it was both a message of unity and it was at the same time a message of resilience. he was also talking about the fact that as he put it at least israel had been facing a terrorist threat for decades, he was reiterating the message that israel would welcome any french jew that was perhaps considering moving there. this is something he has extended in the past as well.

however, the french government very keen to try to reassure its jewish minority that at this stage they are so essential to this makeup of what makes france what it is today with its various different ethnicities and religions. interestingly, jim, as people were leaving the synagogue we did have an opportunity to speak with a number of them many of them feeling as if this next stage is vital. what is going to happen next. will they actually feel secure enough to be able to stay in this country? they don't want to leave. they don't want to have to leave leave. they don't want to be forced into that position but as one woman was saying today is an amazing day. an amazing show of unity, yes, but it has to go beyond the show and rhetoric. actions need to be taken. this country needs to look deep within itself so that this type of unity does not just take

place when such tragedy has happened but that it takes place on a regular basis that the nation can begin to mend and build itself. it's all in the follow through with the demonstrations in ferguson but many said there they want this conversation to go somewhere and that, of course we'll only find out over the course of time we saw many interesting juxtapositions in the march today was the israeli prime minister walking arm in arm with world leaders, just a few people away from the palestinian president and other arab leaders at a time when really the's no hope in the negotiations for peace. the peace process there. was there any sense this spirit of kwununity we saw on the streets of paris would translate back to the middle east where as we know the divisions blowing up in so much violence? >> very difficult, despite fact

that we did see that phenomenal flood of humanity out there today. and netanyahu did talk about israel he did talk

>> 50 world leaders who were here today. do you think the obama administration missed an opportunity here? there was, of course u.s. representation that in the u.s. ambassador to france but do you think the u.s. -- the administration missed an tun to not send someone more senior? >> well, i think it's always desirable when you have an event like this to have the president or vice president or secretary of state who i know is away in india. we did have the attorney general in paris, as well as the deputy of home land security there to show our support. they were not part of the march, i think. they were there meeting with french officials. the president called president hollande as well as visited the french embassy and i think we certainly have shown solidarity would it have been desirable, absolutely but i think in many other ways the united states

has shown its close connection and deep sympathy for what france is going through. >> it seems in moments like this that a physical presence does make a difference. the israeli prime minister the palestinian prime minister locking arms walking down the streets. are you saying it would have been desirable to have for instance the american president or vice president, do you think the administration made a mistake? >> i think it's always desirable. it's not always practical given the nature of the president's responsibility and the difficulties in trying to meet those all at the same time. jim, i'm sure you could have said the same in terms of a personal visit to to the to -- ottawa or sydney, desirable, yes, is it necessary to show u.s. solid dart i think the u.s. understand we stand

shoulder to shoulder with them. >> let's talk about the threat to the u.s. you and i have talked about the concern about the u.s. intelligence and counterintelligence officials as well as lone wolf attacks as well as groups al qaeda in the arabian peninsula, having a desire to attack americans and americans on u.s. soil. based on what you see and hear in your briefings, what is the level of concern about such attack in the u.s. today? >> well i think there's a lot of concern about potential attacks in the u.s. and there has been for some time. we understand that we are vulnerable not only to lone wolves or those who may become radicalized overseas but precisely the armed assault we saw in paris. we've been very fortunate not to have endured something like that before although of course this does harken back to the boston marathon bombing, there you had two brothers one at least traveled overseas and

become radicalized and through very simple devices, these were pressure cooker bombs. they were able to devastate boston and shut the city down during a massive manhunt so some erie similarities and similar to the fact that the tsarnaev brothers were known to authorities, such as these brothers were known to french authorities. the challenge is there isn't the resources to keep everyone under watch, that is of deep concern. those who left the surveillance of these two brothers in france undoubtedly went to surveil others of greater concern. so that's the challenge that we and the french and indeed many of our allies around the world face. >> did we learn something about the threat to the u.s. from these attacks that took place here in paris? one thing that struck me you had the kouachi brothers the

ones who attack the magazine talking about ties to the al qaeda in arabian. then you had the people who took the people in the kosher market claiming allegiance to isis? young men like this might be rad kalized by a number of groups and act on their own? >> i think that's exactly right, jim. they are very hard to cats -- categorize and pigeon hole. you see there are a variety of allegiance

allegiances. some may have been inspired by online propaganda. you see this broad spectrum of potential vulnerabilities and we have to try to address them all. that's an enormous challenge and as you know doubt have seen the president is going to be holding another summit on this topic, the focus on our homeland to try to bring back a greater collaborative effort to protect the country to work with religious and community leaders. these are necessary to protect the country. >> well, certainly a great deal of nervousness here and as well as the u.s. as well. thank you very much for joining us. i know we'll continue this conversation going forward. >> thanks jim. we're going to talk more about the terror investigation and the potential threat to the u.s. with our experts later in the hour but first, the historic rally of unity here in france. nearly 4 million strong across the country. so what happens next?

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an estimated 1.5 million people converged in paris to show unity, strength in the wake of last week's terror attacks. most of all, this gathering demonstrates that no matter how frightened they might be by what happened, they refused to give into fear.

lities don't matter religions don't matter either. serve united to fight against terrorism, to show the world we are fighting against this and we will never give up. >> our religion is the religion of love. our rely i don't think loves jews our religion loves muslims, our religion loves christians. >> i'm french. it's very significant for us to actually be here and share

towards all the muslim people who are victims of it. basically one nation under one flag is very important to me. >> some marchers carried signs that said to the whole world "we are all cops we are all muslims, we are all french" all summed up in one phrase "je suis charlie." i'm sure you saw a lot of pencil pencils. people talking about the right for journalists to express themselves and freedom of speech. speech. >> that's right, brianna, many memorials around town you'll see flowers and notes and signs "jesuis charlie." "i am charlie." you see pens pencils, a tribute to the cartoonists in charlie hebdo. one thing i can tell from taking part in social media is that so many people from around the

world, even if they weren't physically here they were sending their signs, their voices of support we're hearing 3.7 people rallied across france. what does that unity rally today mean long term? we want to ask this with our cnn global affairs analyst bobby goern who is also managing editor of quarts political commentator buck sexton, a former cia counterterrorism analyst and joining me in paris right next to me boston college professor of political science jonathan lawrence he's author of "the emancipation of europe's muslims." jonathan the simplest question i can ask you, does this rally matter? >> it matters in the short term a great amount because this is one of the largest rallies on record in french history. that's saying something. because the french have a history of -- they basically

invented the barricades in 1848. the french revolution et cetera. how long can the unity last? one encouraging sign which is unprecedented in french rallies that the police were applauded every time a column of cars passed by. we're used to that after 9/11 but here they're not. >> there was one moment during the rally when some of the people in the crowd saw the snipers that were on the roof of building and they are cheering the snipers who want to stay behind the scenes but here was a public expression of that. bobby, part of this is about winning hearts and mind among muslims to show a unified opposition to this kind of extremist thought. my question the how powerful is that physical expression of support not just for european leaders but to see mahmoud abbas alongside netanyahu and also even to hear from hezbollah,

from hamas over the weekend saying these attacks went too far. they were not justified how powerful is that in this debate going on within islam about the roots of this extreme snichl. >> it's a very power fulful -- the scale of the rally is very powerful. you can't watch those images and not be moved by that perhaps the most remarkable thing is what was not said and what did not happen at the rally. there was no chanting "death to this person" or "death to that person." there was no chanting of slogans of anger although you might reasonably expect people to be angry at this time, the fact that they weren't giving voice to their anger in that way is very powerful. across the arab world in particular i've been in any number of rallies and protests. it very often calls for the death of somebody, the burning

of someone's flag. this was a peace rally and it exuded optimism and the desire for peace. now some political leaders, their own track record on the matter of free speech in their own countries is questionable and hassan nasrulla of hezbollah saying that this is one act of violence too much you know people in the middle east will recognize that that is incredibly hypocritical of him. but that doesn't matter. the political leaders are not important. ordinary french people of all races and religions coming out in peace is the more important message. >> you make a great point. not just the hypocrisy of hamas or hezbollah but to see, for instance egyptian leaders here in light of the track down in

egypt on press freedom there's a great deal of hypocrisy. i wonder buck if i can ask you this question. when you think of the folks carrying out these terror attacks do they see a demonstration of defiance like this is there any chance it changes their mind or raises a question in their mind or are those folks, the recruit, the jihadis, are they already lost? >> i think they're already lost. i think anyone who's reached the point of full on radicalization and is considering or has perhaps already engaged in some direct terrorist action or support they're going see this rally and view it as essentially another slap in the face the idea that this many people would gather together and say what is being done from charlie hebdo is acceptable. they'll use this as propaganda for follow on attacks. the rest of the muslim world, this shows a coming together and it restores some faith in

humanity for many of us. the best you can slope that it creates momentum for not just one but numerous dialogues that have to happen abroad in europe and here at home. the future of immigration policy within the e.u., the future of quite honestly free speech laws in the e.u. as you pointed out, there's hypocrisy throughout the muslim world with many states that ban blasphemy but there are all sorts of hate speech laws on the books across europe and, in fact there are some here at home in the u.s. that people may be looking at differently. so there's a lot of discussions on dialogue on top of all. that you have to possibility of follow-on attacks. it's a good day and start but it doesn't have the answers yet. >> there's a very powerful political party with success who thrive on some of this division as well. bobby ghosh, mr. sexton jonathan, thanks for joining us. anti-semitic violence has soared in the last year in for

instance. we'll discuss possible reasons why and what can be done about it after this break.

there's been a staggering increase in anti-semitic violence in france over the last year. an official the european jewish congress tells cnn that violence against jews rose 91% from 2013 to 2014. officials also say twice as many french jewish people moved to israel to escape that anti-semitism and a climate of intolerance in the same time period. the chief rabbi of paris says jewish people need to stay in france though where they can be happy. >> we need security. the first thing is we need security and after we need to fight against terror and to fight against terror is very easy we have to just being together. it's to be safe of course, but to be together. it's really a dream of france and we need to dream again about france. >> i want to bring in the vice president of the french union of

jewish students as well as cnn global affairs analyst bobby ghosh. noam i'll begin with you. the prime minister yesterday and today has issued a welcome to french jews saying israel is your home. do you they's the response that you would like that see from french jews? to leave france? or do you want them to stay here a thousand year history in france right? >> so hi thanks for asking me. yeah i heard that there is a lot of jewish french people and that the number increased this year but i think that today the issue is that we have to preokay patriot about french jews that should stay in france. because there's a lot of jews that will stay here and we think that the issue is to preoccupate

about them. this is a minority. the majority love this country and want to stay here. >> you saw a huge turnout among the french jewish community. bobby, are you aware of anything specific that has happened that has caused this really remarkable upswing in violence against french jews even before these attacks this week over the course of the last year? >> well, the two things that are taking place simultaneously, that sort of inform, certainly there's the rise of the extreme right and the party of marine le pen is openly xenophobeic and has been accused of being anti-semitic and on the other side you also see as we've learned from the events of this week the rise of islamic radicalism. there's also a strong strain of anti-semi-schism there. and so you've got this coming from two different sides of the

political and religious spectrum. so the question is what is mainstream france doing to make young jewish people or jewish people in general feel protected? and to prevent this kind of an exodus? and i wonder inoam has a thought on that. how does he feel caught between these two extremisms? does he feel the french state is doing enough? >> it's a good question for you. are you getting the protection that you feel the french community, jewish community needs? >> we met the french president francois hollande this morning. he said that he will make more security for jewish people but there is a lot of security for jewish people. there's the french protection movement in france there is police there is the -- what.

>> no go ahead, please. >> and we have a lot of protection so now i think that this protection will be increased because there is a movement against terrorism and there is a danger of the far right and the danger of jihadists, i think there is a lot of danger for jews but for french people too, because not -- we have saw that it's very very sad but not only the jewish were targets by these jihadists. there are charlie hebdo, there are policemen. this is france that was the target. >> right, it's france that's a target. not just jews muslims, et cetera. noam thank you very much. it was good to hear that expression of confidence and commitment. good to have you on noam bobby, great to have you as well. there is new information about the hideout of one of the paris terrorists and what police found inside it. plus possible threats to the united states.

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isis flags, automatic weapons, detonators and cash all stashed in a paris hideout in a suburb. france's radio reports police are scouring amedy coulibaly's hideout for any clues his terror suspect girlfriend on the route, hayat boumeddiene might have stayed there at some point. coulibaly pledged allegiance aidd allegiance to isis on video. perhaps our most detail viewed comes from this time. listen.

despite a global han munt his girlfriend has disappeared last spotted in turkey near the syrian border. i want to bring in our panels to discuss the latest here. joining me now, we have global affairs analyst bobby ghosh. we have former cia counterterrorism analyst buck sexton terrorism expert samuel laurent in paris and former cia operative bob baer as well as retired dell a force lieutenant

colonel james reese. bob, to you first. we don't know exactly where this girlfriend is. do you think isis could be taking care of her at this point? >> oh i think absolutely they would welcome here with open arms. isis has embraced these attacks in paris and she could end up in either syria or iraq. and they well l protect her and there's virtually no way that the french can get ahold of her now if f she's, indeed, crossed the boarder from turkey into syria. >> colonel reese, is that what you expect? >> brianna, yes, i agree with bob. i mean, that's a possibility but you also have the khorasan group which is you know dependent on where they think the turks saw her on the last trip that she could cross into steer ya andyria and that's where the khorasan group is in the northwest corner. so any of the radical islamic groups would welcome her with open arms. >> obviously she appears to have been going for safe haven there and that makes sense.

samuel we've been talking about some of these sleeper cells that have been activated. cells -- what kind of cells is the question. are we talking about sleeper cells from al qaeda or these sleeper cells from isis in france or both do you think? >> well actually, the pattern has been as following. it's replicated what happened in middle east throughout the region. we had initial groups on a much larger scale. would it be syria, middle east iraq in which we saw some groups that were loyal to al qaeda and that later on split or entirely pledged aliege dwroons the isis because isis is gradually gaining the upper hand in global jihad. so what we saw basically in france are during the massacre, the slaughter of this week was exactly the same thing on a smaller scale. you see. a cell that was initially formed

of people close or belonging to al qaeda, channeling foreign fighters into iraq far before the emergence of the caliphate that gradually drifting in the case of some of its members like coulibaly towards the ideology of isis. again, ideologies roughly the same but because we have now two organizations that are competing that are rivals but that at the end of the day have the same ideology. >> i want to turn the conversation now to talk to my guests who are here in studio with me in new york about a noticeable absence today. you saw a number of world leaders linking arms. you see netanyahu, angela merkel david cameron is there and yet president obama wasn't there. we didn't see vice president joe biden. we've heard differing things. some people in france are wondering why he didn't come. others are saying you know it's not a big deal.

yet i think a lot of americans are wondering if this may have been a mistake. do you think the president should have gone bobby? >> i think the united states should have been represented by a high official, whether the president himself or the vice president. this is ma vice presidents do. this is vice presidency 101. joe biden is very popular. almost every one of those people you see on this film almost every one of them knows joe biden personal. >> i he was on the senate foreign relations committee, he knows them. >> he's great at this sort of thing. france is america's oldest ally america's first ally. it feels wrong. >> there were many ways the administration could have shown solidarity on this issue in a stronger way and it fits into a couple narratives that critics of the administration have had not just recently but for years in that the president seems to take a soft line on these issues and has priorities that are more important to the administration than foreign policy. this seems like a moment to make your stand on an issue and for

the white house to have missed this they're aware of what's going on. it sends a message and it's the wrong message. >> defenders will say, look you can't even imagine the security footprint it takes to get him somewhere. >> it didn't have to be the president as you were saying. >> it didn't. but i would also say that we've watched other high-risk i think you could say visits he's made. this wasn't high risk enough to deter a number of world leaders from going. he went to nelson mandela's funeral. we often saw security issues there. he went to visit the presidential palace in kabul, afghanistan. does that security argument stand as a reason not to do go? >> no it's troubling they make that argument because aren't we supposed to believe the french authorities have the situation under control and that we won't be cowed in the face offer the sflor the president of the united states, we're talking about our oldest ally in france a country has a good handle generally speaking on its, freedomist population at home. what does that mean for the french people that the president can go there. what does that mean for people

showing courage. this was a missed opportunity. >> there's a lot of cooperation between the french government and american government in this information but this was a symbol to have world leaders show up so we'll continue to look and see what happens there. buck bobby, thank you so much. thank you to bob, thank you to samuel and thank you to colonel reese. u.s. intelligence uncovering is a video message by isis that calls for followers to kill everyone. from soldiers to civilians in the united states. the threat serious you have no prompt a security bulletin. we'll discuss that threat in the u.s. next.

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i ream jim sciutto in paris. a new a new security you will have tin has been issued. a spokesman for isis calls for all mujahadeen to kill soldiers

government employees, members of the mid-yea yahedia and civilians. our terrorism experts are back samuel laurent here in paris, bobby ghosh and buck sexton back in the u.s. buck i wonder if i can begin with you. your background in counterterror for the cia. i think one thing our viewers must have trouble with is that every couple of weeks it seems there is another warning issues by dhs or the fbi. sometimes in response to new attacks, sometimes in response to new intelligence and it's just hard for them as it is hard for me and i read these all the time to distinguish what is the actual change. this latest threat responding to an isis threat how serious a step forward is this in terms of the imminence of attacks in the just in it's very difficult to tell without seeing the specific intelligence you're talking about here because it falls under duty to warn.

so even if there's a credible or realistic threat within the intelligence community, the policy is going to be to ratchet things up and to try to actually do what you can to address the threat preemptively. but if you're looking for what could create a more imminent threat here just based upon recent events you could have cells that decide you have to a pile on effect which is the concern in france but it could be the concern here at home as well. there could be a copycat style attack. you also have isis for example, tweeting this out trying to capitalize on it and hoping that people rad l radicalize -- or go beyond radicalization to the attack phase. so there's going to be chatder when this happens. they're picking up chatter from message boards other places and that can be a precursor to an attack but it's difficult to get the signal from the noise sometimes and this is one of those situations where they're going to have to take additional precautions and hope security services we have here and our relations abroad will keep us safe in this period. >> well, the copycat phenomenon

is a real for for sure. bobby ghosh, should have competition a factor here? we know they're competing for regroups for attention. do they say i have to show my relevance here and they try to start their own terrorist violence? >> well there is competition at a high level and there is competition for recruitment for money at the foot soldier level of people like that kouachis and coulibaly, the distinction between isis and al qaeda in yemen are not that great. it's important to remember that al qaeda in yemen, i know of at least two instances when it congratulated isis or sort of recognized isis the isis leaders claim to being the caliph of islam. so relationships are fuzzy. they may compete on some aspects but the ideology is almost

identical and for people in europe or here in the u.s. who might be attracted by the ideology, which group they choose to claim allegiance >> ideology and the m.o. samuel laurent, we spoke ideayesterday about a warning going out to french police about the possibility of sleeper cells activated for more attacks on police around france. have we learned anything more about that? >> not yet, actually. nothing official came out, so most likely either the cells have been neutralized or either -- you have to understand that now, cells are very difficult to quantify. you know cells can be ten people can be 20 people. >> can be one person. >> can be one. exactly. everybody. now you can be a cell. as explained by your guest previously as soon as you pledge iallegiance you have to obey the caliph.

so, therefore, the risk is everywhere and nowadays yes, those threats especially among u.s. and against u.s. and french should be taking seriously. >> attacks like this can spark spontaneous recreates who carry out attacks on their own. bobby ghosh, buck sexton appreciate your thoughts. a deadly new lull. a little girl used as a suicide bomber. an update from the terror front in nigeria. that's right after this break.

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with the eyes of the world focused on the terror attacks in france counterterrorism officials look for ways to keep al qaeda and isis at bay. meanwhile, in nigeria, a group as brutal as either of those groups is pretty much having its way. boko haram is what we're talking about, the same group accused of kidnapping more than 200 schoolgirls in april. it's now accused of new hideous acts of brutality. first came the killings of up to possibly 2,000 people in a fishing down then the bombing on saturday at a market using a little girl with a bomb strapped around her waist.

nic robertson joins us live now from nigeria. nic, tell us how old was this little girl? >> reporter: well brianna, this story only gets worse. there have been another two similar suicide bombings using young girls in another nearby town at a market today. the estimates are that the girl -- the young girl suicide bomber yesterday could be as young as so.10 other say perhaps she was 17 or 18. one of the young girls involved in the suicide bombings today believed to be about 15 years old. what is similar in all of these attacks is that they believe that these girls had their suicide vests strapped on to them and that somebody else detonated the explosives that they were forced into this didn't know what was happening. 20 people killed yesterday. another three killed in the suicide bombings today. this does mark a new departure for boko haram.

we're hearing also this town close to the border with chad a fishing village, important agricultural town, saturday morning the 3rd of january, people reported hearing early in the morning gunfire explosions. thought it was the army training then saw the army on the run. boko haram fighters coming to the town in hundreds. they tried to fight them. they were beaten back. they hid out. one man describes hiding out for three days. the story that he tells is absolutely incredible. he says that he thinks he saw about 3,000 bodies of people who were killed. that he was stepping around them and on them when he tried to flee the town three days after the fighting when boko haram moved on elsewhere. boko haram essentially town razed the town. again, for boko haram, trying to sort of raze this town destroy the nearby army post. a very significant tactic in

this keyboarder town. brianna? >> yeah, the reign of terror horrific. nic robertson in nigeria. thanks for your report. up next we're live from paris with new developments on the rally and terror investigation, and where was the u.s.? we'll talk about why the president, or perhaps vice president joe biden, or secretary of state john kerry, did not attend on this historic day.

you are in the "cnn newsroom." i'm jim shoeciutto in paris. >> i'm brianna keilar in new york. welcome to our coverage of the events in paris. >> the most famous emblem of france towering brightly over a city that filled today with historic numbers of people united against violence and terror. all across france more than 3.5 million people rallied and marched and paid tribute for the 17 people who died last week in several violent acts committed by islamic extrem