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forefront of the national conversation. but with all eyes on isis, al qaeda appears eager to get back into the limelight. cnn's pam brown explains. >> reporter: its newer, even smaller bombs than the ones in these toothpaste tubes that have u.s. officials so concerned. an american intelligence official said publicly the government is worried about a terrorist cell in syria known as corazon saying it's working with al qaeda bomb makers to target u.s. flights, the same bomb makers, including ibrahim al asiri from the detroit pound plane and the bomb in a printer cartridge in 2010. >> this group which i guess is out there is potentially yet another threat to the homeland. >> reporter: u.s. officials say corazon is made up of al qaeda fighters fighting in the pakistan border region. the worry is they're now in

syria, working to recruit european and american-born fighters who can use their passports to smuggle bombs on to u.s.-bound airplanes. >> one of the praoperatives whos moved from the border region to syria is a saudi operative. he's an experienced fighter, he was part of al qaeda's command structure in the afghanistan-pakistan border region and a year ago moved to syria and according to the united states intelligence services, he's involved in plotting attacks against western targets. >> reporter: wednesday, u.s. officials hinted at those same concerns, telling congress, the al-qaeda affiliates are intent on targeting u.s. flights. >> over the past five years, al qaeda in the arabian peninsula sought to take down an airplane bound for the united states. >> reporter: and ufz officials say there is fierce competition between al qaeda and isis to be known as the biggest, baddest jihadi organization. >> that would be a very, very worrying scenario indeed if these two groups start to try and outdo each other to launch

attacks back in the west. for al qaeda, it would be a way to restore relevance when isis is grabbing all the headlines. >> i want to bring in lieutenant colonel rick francona with me as well as josh rogan, joining us on the phone, cnn political analyst and correspondent for the daily beast. colonel, how concerned should we be about al qaeda yoit right now? >> al qaeda has not forgotten their stated goal of going after american aviation. they have been developing new tactics and techniques and they haven't been successful but that doesn't mean they stopped trying. now they see a threat from isis. they see themselves being eclipsed. zoe ahero wants to make himself relevant again so he has renewed the push. we are seeing this renewed effort to develop a device they can get on to an airliner. that's why you're seeing increased security at american airports. >> they want to reclaim their territory as the terrorist organization. >> recruitment. because everybody now is going to isis because isis has this reputation of being the true

islamic fighters. and when someone is disaffected and maybe decide they're going to join an organization, you go with who you believe are going to be the winners. >> i want to talk more about that with you, josh. you know, officials believe this group, the coraxan, part of al qaeda, is extraordinary danger allows because of technical bomb making experience and access to a pool of potential fighters with american passports. but can they successfully recruit american jihadists? >> right. well, the problem here is that when an american uses his passport to go into turkey and then travel over the border into syria, there is no way to know which group he enters. and it's well-known that isis has about 100 americans in the organization. but the al-nusra bring grade, the al qaeda branch in syria may have americans working there too. we just can't tell. people talk about three sides of the american war, isis, the m moderate rebels. al qaeda's branch in syria has

been a player in syria and will continue to be a player in syria. they have links to yemen, where a lot of -- most serious bomb plots are plotted and they have financial links to al qaeda and pakistan. they are a force to be reckoned with. as we get more involved with syria and as the president shifts u.s. attention toward syria, we have to be mindful it's most just about isis and the moderate rebels and the assad regime. there is also an aal qaeda branch there and we will be a part of this whether we like it or not. >> colonel, are there really any moderate syrian rebels to arm? what about the president's plan that that's how we're going to fight isis? >> yeah. the administration is staking its efforts in syria on the free syrian army. now, if you looked at the hierarchy of syrian rebels, they are probably the moderate ones and that's on a scale, of course. but they're nott islamist. there are different ethnicities

and religions. the free syrian army has told us they're not interested in participating in the war against isis. they're interested in overthrowing bashar al assad. now -- we can try and work with them to overthrow bashar. but they're going to demand something from us. >> and josh, go ahead. i understand you have a different opinion. >> yeah. of course isis is an enemy of the free syrian army, and isis has been fighting the free syrian army viciously, and the syrian army has been fighting back for well over a year in places like aleppo, raqqa. there is very little u.s. or international support. it's not correct to say that the u.s. is not interested in fighting isis. in fact, they have been dying in battles with isis for a long time. the problem is that they believe and have said as much that the only real way to eliminate terrorism in syria is to topple the assad regime. that assad is a magnet for terrorists. they believe it's foolish to go after isis only and not the

assad regime. the obama administration does not want to go after the assad regime. their plan does not include that, and they believe that would be a political diplomatic and legal quagmire. and they might be right about that. so we just have to go in knowing that whoever we choose to arm, they're going to fight with groups that we don't like. they are going to fight whoever is killing them. and we can't predict exactly what's going to happen. it's a risky endeavor. the problem is doing nothing has not worked so far. >> is the plan too shortsighteded, colonel? >> i think so. i don't think that the free syrian army -- i don't think training 5,000 of the free syrian army in saudi arabia taking a year is going to work, unless we're hoping we set up this initial cadre and they go back to syria and train their own fighters. but the numbers just aren't there. and as josh says, they have been fighting isis, but it looks to me like most of the time when you see isis taking -- trying to take over an area, that's when you'll see the free syrian army trying to defend their territory. but i don't really see the free syrian army going after isis right now.

they're trying to focus on going after the regime. >> you know, josh, i'm interested to hear your perspective, because i know you've been talking with people within the free syrian army. they have been battered and bruised over the past couple of years trying to fight the assad regime and isis has been able to even take over a larger swath. so is the free syrian army capable of being effective on behalf of the u.s. and this international coalition as boots on the ground? >> yeah, it's a great question. the bottom line here is that the free syrian army -- and i do talk to commanders on the ground on a regular basis, always say the same thing. they say the syrian people don't want isis. they don't want al qaeda. but at the same time, they want to survive. so if you're a fighter on the ground in syria, you're probably going to go whichever group has the guns and the money. the argument is, if we give the free syrian army whatever it is, the guns and the money, the fighters will come back to that. and that will probably have the biggest effect. so the colonel is right. arming and training 5,000 people is not going to solve the

problem. but the obama administration is arguing that it can be one piece of a comprehensive strategy that includes air strikes, that includes pushing bashar al aside, includes pushing the iranians and includes giving the free syrian army salaries, money, helping them with local governance, putting in a team on the ground from arab countries around the world that can show the syrian people that the world is interested in their survival, in their dignity and in their road to democracy. that is a huge and difficult and risky effort. it's more difficult the longer we wait to do it. there is no guarantee of success. the free syrian army is not perfect. they're flawed. they are racked. they are the only game in town. it's -- other than them, our choices are the terrorists or the assad regime and either of those choices is possible. >> all right. >> that's a lot of moving parts. >> a lot of moving parts. and we wish we had the crystal ball to know what's going to happen here. colonel rick francona and josh roggin, thanks to both of you. come up, the family of alan

henning, the british hostage of isis, has an emotional message for henning's captors. that's next. on my journey across america, i've learned that when you ask someone in texas if they want "big" savings on car insurance,

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the family of alan henning, this british aide worker who is held hostage by isis currently, has released a new statement tonight pleading for his release. isis has threatened to execute him as they have three other westerners. i'm going to read the statement to you. it says, quote, alan was taken prisoner last december and is being held by the islamic state. alan is a peaceful, selfless man who left his family and his job as a taxi driver in the u.k. to drive a convoy all the way to syria with his muslim colleagues and friends to help those most in need. she goes on to say, i cannot see how it could assist any state's cause to allow the world to see

a man like alan dying. i have been trying to communicate with the islamic state and the people holding alan. i pray that the people holding alan respond to my messages and contact me before it is too late. and when they hear this message, i implore the people of the islamic state to see it in their hearts to release my husband, alan henning. here's what we know about this british hostage, alan henning. 47-year-old henning is a former taxi driver from northern england. he's the father of two children. kidnapped on his fourth trip to the war-torn country of syria. it was on christmas day last year henning was sitting in a cafe sharing a laugh with friends before they headed out on a journey. they were going in turkey, and then going in on a volunteer trip to deliver aid to syria. i want to bring in correspondent karl penhaul in london. i know karl you spoke with an aide worker in syria. what did that aide worker tell you? >> ana, we spent the whole day

in the town of a hard scrabble blue collar town in northern england and that is where henning has the modest home that he shares with his two teenage children and his wife. down on the street, nobody really was in the mood for talking. at the taxicab company where he worked, nobody wanted to talk either, both out of respect for alan henning and also to make sure they didn't say anything that could provoke perhaps the hostage takers. but there are on lamp posts, on street signs and on some of the trees in that neighborhood yellow ribbons, well wishers who are hoping against hope that alan henning will come home safe and sound. we also talked to a doctor, doctor sulfiqua, one of the female doctors on the aide convoy, she rode in the same van as alan henning as they headed from britain through to syria. and she has a plea. she made a plea through cnn

directly to isis. let's listen to what she has to say. >> i have a message for isis. as your sister in islam, i would implore you and beg of you, please spare the life of this innocent man. he is not part of your struggle. he is not to blame for the actions of western government that you fight. he is not responsible for the killing of innocent civilians. he only came to help our innocent syrian brothers and sisters and children. the ones that you fight to protect. he came as our brother in humanity. as our friend and under the protection of our muslim brothers on the convoy. he was in our care and he's our eamona. please do not make him pay for the actions of western foreign policy. this is not his crime.

and killing him will not change this. it will only undermine you and your cause. please let him go. and release him back to us. and to his family, his friends and his children who are waiting for him. >> now his family and friends say that alan henning could have done like most people, simply hand in a donation and sit in the comfort of his own home. but he decided not to do that. he decided to use his driving skills to take ambulances to where they were most needed, to help civilians caught up in the cro crossfire of syria's war. and his family and friends are now saying that alan henning cannot be left to die in the deserts of syria. he must come home. ana? >> karl, it's so interesting that we have seen such a huge response to the kidnapping and this video of alan henning, in

particular. we have talked about the three other western hostages, james foley and steven sotloff and david haines and all of their deaths so tragic. what is it about alan henning that has sparked this additional sense >> that has this additional sense of desperation when you hear from that woman you spoke to. we know that there were, at least, a hundred muslim clerics and leaders who have written a letter for his release. what is it about alan henning? >> i think there are two issues here. i think issue wung is the fact that he is the only non-muslim on this 50-vehicle convoy heading from syria. muslim friends from his hometown invited him along. we, ourselves, know as journalists, when a muslim invites you into their home, when there's a conflict going on, then you go in on their trust. that is their bond.

that is their guarantee. so the muslims who are on this convoy persuaded alan to join them saying we have this bond of trust, we took him in. and, now, isis must allow us to respect and carry through on that bond of trust, otherwise, all puz limbs will look bad. so they feel very strongly that they took alan henning in and they must allow alan herks nnin out. he's a working class lad. he's a working class man that spent most of his life driving that taxi cab. he lives in a terrorist home, that is a very modest home in a working class town in northern england. he's just a regular guy next door. he's done nothing wrong, of course, he has no part in shaping british foreign policy. he only wanted to do good. he wanted to help people. in fact, he was so moved by the

suffering in syria, he put a tattoo on his arm. aid for syria. and then went on on four occasions to spend christmas, holiday times and family time away from all of that doing his bit. and that's why they say he should come home, anna? >> it is such a sad situation right now. karl, thanks so much for that report. coming up, two security incidents at the white house in just 24 hours. one of the men arrested made it all the way inside. how could that happen? plus, police have now identified a person of interest in the case of a missing university of virginia student. the details next. tough, bi've managed. but managing my symptoms was all i was doing. so when i finally told my doctor, he said humira is for adults like me who have tried other medications but still experience the symptoms of moderate to severe crohn's disease. and that in clinical studies, the majority of patients on humira saw significant symptom relief.

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welcome back. we have new developments in the case of the missing college stunts, hanna graham. the 18-year-old graham disappeared last week. and, in charlottesville, virginia, she was last seen in a surveillance video with a man following behind her. joining me on the phone, gene, what are you hearing? what's the latest? >>. >> reporter: well, the charlottesville police department have confirmed the name of the person that they say is in the surveillance video that is following and then joins hanna. one of the last people to see her. and his name is jesse matthew. and this is who police are confirming at this point, is in that surveillance video. we heard yesterday from the press conference that they have executed already a search warrant on his car and on the apartment that he was living in.

they said yesterday when they were executing a zerk warrant on his car, that they spoke a little bit with him and would like to talk with him a little bit again. they believe that he followed hanna in the mall, went up to her, put his arm around her, they went into a local restaurant right there. he purchased alcohol. they were gone in 15 minutes and they believe she fwot in his car. and this comes from charlottesville police department. but once again, they are confirming that they say the name of that person is jesse matthew. >> do we know his side of the story? obviously, he's a personal of interest. but he hant been arrested and police are now saying he's the person in this video and perhaps the last person to see hannah. why does he tell them he was with her?

>> they say in the same breath that they do not have probable cause to arrest him, to detain him, nothing at all. what asking the public for last night, anyone that saw them together, they wanted to see the demeanor between the two. >> all right, keep us updated. we also have information about two different security incidents at the white house this weekend. in fact, today, the secret service's 19-year-old kevin carr drove through a barricade even after police tried to get him to stop. he was arrested when he refused to leave the scene. and then, last night, a man jumped the fence and actually made it inside the white house before he was apprehended. eric, we're learning now that that fence jumper has been charged? >> reporter: yes. i can tell you that he had on him a 3 1/2 inch folding knife. he had a dangerous or deadly weapon.

and that goes along with his charge. the incident was last night. and what we're hearing now is if charged, punishable by a maximum of ten years in prison. now, he did appear today in the superior court of the district of columbia and will be having a series on monday before the u.s. district court for these fees. so, again, this is a charge -- for as much as we heard this morning, the secret service did not believe he was armed. he didn't appear to be carrying anything. and as we've seen on the videos of the secret service come combing through the grass, the bushes, they didn't think he was armed. and, today, we have now learned he was carrying a deadly weapon, a knife, along with him into the white house last night. >> e rin, i want to read something that we just got from the criminal kplant. it says that after this man was apprehended, gonzalez, omar gonzalez told a secret service

agent that he was concerned that the atmosphere was collapsing and needed to get information to the president of the united states so that he could get the word out to the people. so, clearly, this person wasn't in his right mind. i know he was taken to the hospital for a medical ev evaluation of some sort. anymore information about who this individual is? and whether secret service is tracking him or anything? >> well, you know, it's that he was known to secret service. he has never been arrested by secret service before. but a 42-year-old from texas and, you know, what we have heard from secret service is that they believe he was mentally disturbed. but, again, they did know of him before. now, i also want to tell you of a couple of other developments. we've gotten a statement in the last couple of hours. and they are julia pierson who has ordered a review of last night's incident and all of the protocols and they are stepping up security outside the white house. >> all right, e rin mcpike.

thanks. we'll wait to see what the specific steps are. thank goodness that everything is okay at the white hougs and nobody was injured. the first family wasn't even inside at the time. thank you for staying with us for the last several hours. double ajent inside al-qaida for the cia is next. good night. >> the following is a cnn special report. >> for a decade, he says he moved back and forth between two worlds and two identities. when one misplaced sentence could have cost him his life. >> you don't know what angle he's playing. >> traveling between english and arabic. >> in one, he's 0-0-7. on the other