putting the terrorist threat in the border crisis front and center, a fox source confirming an nbc report that more than 400 migrants entered the u.s. through analysis linked smuggling group including at least 50 whose whereabouts remain unknown at this hour. security secondary alejandro mayorkas visiting the border today calling the report and accurate, saying, "we have not identified 400 people with exercise. ." switch to our cbs report that it meant a printed form -- from tajikistan may have been plotting a possible terror attack on the homeland. so it's all raising lots of questions and it all comes one day before president biden and donald trump square off at that cn and presidential debate and we are on top of all of it. welcome everyone, i'm chandler smith in for neil cavuto, and this is "your world." coming up we'll be talking to the house foreign affairs chairman michael mccaul. personal to matt payne in tucson, arizona where secretary mayorkas spoke as a short time ago and where were -- able to get in a very important question. >> a short time ago i asked secretary mayorkas about this report about 400 migrants with potential i aspires arriving here in to the united states, the secretary took issue with that ques question, he said it is inaccurate and may have been the way i phrased it saying 400 migrants with potential irises tires where we know that confirm reporting is that these migrants arrived through an isis related network. know if these migrants did a review into our country via an isis related network it really begs the question of whether these migrants have any isis tires but to be clear, earlier today, the agent confirmed to fox news that more than 150 of these migrants have been arrested, bhs would not confirm how many if any were on the terror watch list and there are 50 of those migrants still at large but bhs says they are not a threat. not a short while ago here in tucson, arizona, secretary mayorkas said that president biden's recent executive order on immigration has triggered employment in illegal immigration encounters at the border. >> we do not have identified 400 people with potential isis tires. and let me again assure you that individuals who are identified to have those ties would pose a concern to us from a public safety and security perspective -- >> whether or not these migrants have isis tires to be clear our understanding is that they came to an isis related network but more importantly the safety and security here at the border and i did follow up and asked secretary mayorkas if he believes that the american people are buying that this border is secure in light of all these recent reports including murders at the hands of illegal migrants, and people that do have potential isis tires. he would not answer the question about whether the border is secure, he said that he's answered that before and punted that question. sandra? -- >> these actions are changing the, list for those considering crossing our border. still as i will continue to make clear, the are no substitute for congressional action. >> and there are secretary mayorkas counting resident biden's executive order saying it has resulted in substantially lower illegal migrant encounters are at the border but he is placing the onus on congress now saying that it has to do it's job for immigration reform, sandra? >> martha: >> sandra: matt payne in tucson in smacks with us now former fbi a bit -- agent and focused director nicole parker. whereabouts unknown of so many were brought here by a group linked to isis, how concerned are you, nicole? >> i'm extremely concerned because i have said many times, border security equals national security. this administration has openly chosen to keep it wide open border and that was it in a very dangerous situation and now, you know, you -- it's really about semantics and you know what, americans aren't buying it. the bottom line is people feel like they are in danger, you can expect -- unvetted and think that there aren't going to be problems. these individuals that were arrested, they were arrested on immigration charges. they were not arrested on service and tried -- to a up for deportation, they could potentially be deported and if they want to really wreak havoc they eventually crossed the border in a few days if they choose from the moment they arrive in their home country. the other problem that you have is that a lot of these individuals that came across our border are asylum-seekers. so deporting them back to their home country could potentially be problematic covid-19 but my heart goes out to all of the victims of this nasty border crisis that we are facing both on the national security side and unknown violent crimes, seeing that the, sexual assaults, and it's unacceptable and, you know, this is completely preventable and at the fall of this demonstration. >> martha: >> sandra: and i was watching the briefing by alejandro mayorkas earlier where he did take a few questions including our own mcclennon's, you know, you can help but think well, -- who is learning this through nbc reporting now confirmed by fox news, how about you offer is a little bit of information about what you do know? as this is incredibly consenting to anybody who's learning about and courting directly in former fbi counterterrorism section chief chris o'leary here, saying i believe the u.s. is now scrambling to locate these individuals." givers are your thoughts on what you believe is probably happening right now behind the scenes, knowing these guys are already here? >> i would tell you every law enforcement officer who had any accountability in this that they are expected to protect our country, they are stressing out. law enforcement officers across cbp coming cbp coming from the department of homeland security, i there working tirelessly. they've already been worn down and the resources are spread thing and another expected to catch all of these individuals who are in our country because we don't know where they are and let me remind you of something, sandra, i was a witness to the 911 september, you know, september 11th terrorist attacks here here in new york city that it only took 19 hijackers to take down for core airplanes and kill thousands of americans. nineteen. right now we heard the number 4? it doesn't take that many individuals. we have 10 million people crossing a border and you don't know who they are and noticing hayden potentially 400, where is it 150, it only takes a very small number of people that are hell-bent on destroying our nation, they have no limits. and that the me is extremely alarming and law enforcement i would like to think i remember of law enforcement whatever agency you are in fact thank you, because we know that you're not getting the support of this current administration. you are working tirelessly and it is really an uphill battle and really got a lot of us feel like sitting ducks but you know what, remember this on november 5th because this administration, that have -- you have all prevented. >> sandra: just everything old child a woman, person who has been affected by this crisis in the former being a victim of a major crime by somebody who shouldn't have been here in the first place just final thought to you, isn't possible even if there was a perfect vetting process in place, to let these many people coming to the country? i mean, alejandro mayorkas insist that we've got a process in place for this. final thought. >> final thought is that it is impossible, to read all of these individuals make you don't know who they are, they don't -- will have documentation on who they are. the system that i use to check them, there's only rugged her on any of these individuals. and it is extremely difficult. what they're doing the better they can't do that with a can but this is not the fault of law enforcement, this is the fault of this administration. >> sandra: really great point. nicole, always good to have you on. thank you for joining us. >> thank you. >> sandra: leaders our household and security republican and foreign affairs chair michael mccaul will tell us what he is hearing about this new border terror threat, he will be coming up your magnet first, this lexis how will this border issue help or hurt each side on tomorrow's cn and presidential debate and how are both trump and biden preparing right now? were on it. plus a new york judge lifting a big part of that gag order on trump, how without impacting tomorrow night? 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>> sandra, week check in with a trump campaign little early today and they tell us the former president is right here in palm beach at his house adding that he's continuing on with his work schedule as normal but they were quick to point out it was a big difference between what the former resident and what the current president is doing accusing president biden of hiding for the last week. while biden prepares through the rates at camp david, trump has been out on the campaign trail, one of his advisors, jason miller, questioned ako how do you take a week off like that when you're the leader of the free world?" over the last few days trump accepted the freedom coalitions on press in dc as well as hosting a rally at temple university in philly. that's where at one point he candidly asked the crowd of supporters for advice on the upcoming debate. >> mr. trump: handle him, should i be tough and nasty? or should i be -- should i be -- she saying no. should i be tough and nasty and just so you were the worst president in history, or should i be nice and calm and let him speak? >> while trump is in palm beach, his campaign is in georgia today. they were hosting a black american business leaders roundtable at a barbershop in atlanta. for learner congressmen myron donis was there and the group discussed the taxation of this and how inflation is impacting black american families. know at some point the former president will be heading to georgia for the debate and then the next day he said that -- had to travel to virginia for a rally where he will reportedly be joined by governor glenn youngkin. sandra? >> sandra: jeff paul in response for us, thank you very much. the latest fox news polling shows independence favoring president biden over former president trump. both camps looking to independence tomorrow night so what does each need to do to impress voters? that's get their way from democratic pollster mark penn and sara bedford of the washington examiner. rate that we both. set this up for us. first your brought expectations for how this would go? >> well it does seem like president biden will be well prepared. i know this group, i used to run many of these meetings myself with the clinton's and he will have his policy, he will have his plans and he will have his attack lines down. so i think he's going to be well prepared. i think trump looks like he's going to wing it a little bit more use more of his skunk speeches and, you know, use that as his natural go to points. and recommend frankie a little more preparation if expect when this debate. >> sandra: sarah, how about you, your expectations? >> i think most voters tuning and especially independents who haven't quite made up their mind are not necessarily going to be looking at the substance of what the candidates are saying but their stylistic concerns about both of them. the threshold concerns that independents have about joe biden are cognitive. is he up to doing the job of president for four more years? and he stands there for two ours and get up sentence and frankly? and for donald trump, voters have character concerns. is he going to be a bully, is he going to yell insults and joe biden, or is he just going to speak in a calm voice and address the issues that they care about the mo most. so i do think the substance of what's going to be talked about tomorrow night is secondary to people watching for just how these two men behaved and whether these two men and up feeding into narratives about their worst qualities. >> sandra: sure. mark, there will definitely be that. people at home we'll be assessing the energy level, the competency, the mental acuity, right, the strategy gather preparedness, but they are going to want to sink their teeth in to the issues and the border is likely going to be a pop one on that stage. so, mark, in the wake of these recent, horrific crimes read out by migrants who we are here illegally, power -- how will the president defend himself on that stage to the former president, knowing that many in this country place the blame for the water crisis squarely on his administration? >> well, yes, i do think that ultimately, the swing voters or the key voters here they don't actually like either president. that means i believe that they will decide more on the issues, immigration is an issue that trump has a wide lien on. i think biden has minutes talking point clear, he's going to say the republicans failed to get him legis legislation, that he asked for and content is going to have to back that down and suggest that it was a huge -- and was counterproductive and i think that's how that exchange is going to go. i don't see how biden wins immigration mackey just has to neutralize it and make it hurt a little bit less. >> sandra: will not hurt any less tomorrow night is the grief many of us are feeling for the family who lost their little girl, jocelyn nungaray, 12 years old down there in texas. intraday sarah, there were democrats stop on the held by one of our reporters that said they never even heard of her and that hurts. how do you expect this to be debated on the stage tomorrow night, the policies of the current administration versus the past? >> i think more than even the economy perhaps this is joe biden's biggest possible durability heading in to the debate. there is no issue that donald trump is more closely associated with then border security and toughness on the border and while there maybe some nuance to the argument that republicans attempted a bipartisan piece of legislation and failed to get it over the finish line, there is really no debating the fact that joe biden's policies proceeded this unprecedented border crisis and so donald trump has -- doesn't have to do much to highlight the reality and most voters already have that baked into their perceptions of the two candidates. joe biden is performed to -- >> sandra: i have about 12 seconds left. i hope president biden doesn't talk about -- hope you got over that one. >> yeah, i agree with you. i really don't understand or where that one came from. i hope he recognizes where it is -- present biden will say inflation is coming down, is an issue caused by the pandemic, you know, supply chains and i think he's going to different -- look the more about it's immigration, cr crime, and inflation, those issues right now, president trump is winning on those issues. so biden has a lot of ground to make up on those issues. but he does have an excellent team, he is going to come with facts and figures like it or not and i don't know whether trump is going to be as re