they're smiling with him. tommy, by the way, isn't speaking in american sign language. he's speaking swedish. >> this is the heartbeat and the brain. >> reporter: put them together what you get is heartfelt. jeanne moos cnn, new york. >> a man who loves his job. anderson starts now. good evening. thanks for joining us. tonight breaking news on a lot of fronts. first the airmen and isis. what a grand jury says a former u.s. air force mechanic did to help the terror group. also tonight after dodging questions about is had big spending ways allegedly on the taxpayers' dime congressman aaron shock's down ton abbyi abby existence. how robert durst managed to dismember a man, dump the body and get rid of the pieces. elections from israeli.

prime minister mention min netanyahu is locked in the tightest fight of his american life. a american military veteran will be arraigned tomorrow in new york on federal charges that could send him to prison for decades to come. for more now on what authorities believe he was up to and how exactly they caught him, we're joined by justice correspondent pamela brown. >> law enforcement officials have been speaking with say they have several reasons not to believe he was going to turkey on vacation. they believe he was going to syria to link up with devices. authorities allege that he tampered with his electronic devices including his laptop. the fbi was still able to recover some of what was on his computer including more than 100 terrorist propaganda videos including isis executions. the fbi says it found web searches for ways to cross from turkey into syria. there were also communications with his egyptian wife and a

letter where he allegedly wrote, "i will use my talents and skills given to me to establish and defend the islamic state. there are two possible outcomes for me -- victory or martyr." his attorney says his client will plead not guilty in tomorrow tomorrow. >> he came on radar of the fbi shortly after 9/11. >> according to this criminal complaint he converted to islam in 1998 and became increasingly radical. he worked for american airlines after the air force. apparently the fbi was tipped off about him in 2001 because a co-worker was saying that he was sympathizing with osama bin laden, that he also had expressed interest in traveling to chechnya to fight jihad. then after that questioned by the fbi. he was still able to go on and work for private aviation companies as a mechanic in the u.s. and in the middle east where he lived for a year-and-a-half before turkish officials turned him away at the

airport as he tried to link up with isis allegedly. >> wait a minute. he'd already been flagged by the fbi and had expressed a number of views against the u.s. yet he was hired as an army contractor in iraq? >> that's right. i've been asking a lot of officials about this today. here's what we're learning. basically if you become a contractor for the army you have to go through a background collection. but the system is not enough to flag cases like this where you don't have ongoing investigations. clearly, the fbi at the time didn't have enough evidence on pew to actually bring charges against him so it wouldn't be surprising in light of that that he would have passed that background check because there wasn't an ongoing investigation at the time the check happened. i was speaking to a former air for the colonel. he says it is possible he had

access to service members and airplanes despite the fact he passed his background check. >> pamela brown, thank you. no word on just how much legal difficulty outgoing illinois congressman eric shock may be facing. he resigned today after one too many questions about his big spending and dubious accounting including from our own drew griffin. >> can you explain the lavish lifestyle you've been leading on the backs of taxpayers? >> i would say this as i've said before. i take the law and my compliance very seriously. >> congressman, do you think it is appropriate to spend political donations in kind of a slush fund? $24,000 in private plane tickets? do you have any explanation, whether legal or not, is it right, is the question. looking back do you think you made a mistake? kundz why people are concerned -- >> i hope you enjoy your time in the 18th. >> kundz why people are concerned that you sold your house such overvalued property to a political donor?

do you know why? congressman, is it right at all, what you've been doing? sir? just one. come on i've been polite to you. >> congressman shock just a couple days ago neither answering drew's questions or to the people who elected him. joining us now, chief legal correspondent dana bash working with her sources on this story. i guess not exsaktly a surprise given all the heat he was under. but a lot of questions still remain to be answered. >> you talk about heat six straight weeks of unrelenting stories about questionable spending as you just heard from drew both taxpayer dollars and political donations. this morning he told those close to him he would end his once promising congressional career. >> reporter: sources close to aaron shock tell cnn it was a pair of new revelations that cemented his decision to resign.

a report that he may have benefited from a political donor in a real estate deal another that he was reimbursed by taxpayers for tens of thousands of miles he never drove. by resigning from congress sch krchltc ock could still face legal troubles. he's trying to clean up his financial mess. sources close to cnn saying he's reimbursed all monies received for official mileage since election to congress. >> i stand here mass a state representative and a nominee for congress at the age of 27. >> reporter: it has been a dramatic fall for the 33-year-old once-rising star in the gop, starting six weeks ago when the washington reported he decorated his congressional office to look like the set of "downton abbey." to the tune of $40,000. $15,000 was initially billed to

taxpayers, but then returned. he had hoped to shake scandal off. >> as taylor swift said hater's gonna hate. >> reporter: but his bright red "downton abbey" decor sparked a team of criticism and instagram pictures left a trail of questions of how he financed his jet setting lifestyle, tangoing on the streets of buenos aires, surfing shirtless, hobnobbing with celebrities. taking his staff to a katy perry concert. a $10,000 junket for his staff to new york city. >> i take my compliance obligation seriously. >> reporter: in the end his decision to resign happened so fast house gop leaders and even constituents in town to see him were well shocked. >> i am very surprised that it happened. i'm sad that it happened.

especially the way that it did. i honestly didn't think two cause him to resign but it is still sending a bad message to the constituents. >> when does his resignation take effect? >> march 31st. that's two weeks from today. what happens is there's going to be a special election to fill his seat, likely some time this spring or early summer. we're already told that darren lahood the son of long-time congressman from that district, ray lahood will announce as soon as tomorrow is that he'll run. it should stay in gop hands but you never know. i want to bring in politico's jake sherman who's reporting might have been the last straw. politico was reporting you report and ask something questions of schock 12 hours before he resigned. explain what your reporting showed about the mileage reimbursement he got on his personal car. because it is pretty damning

stuff. >> we've been reporting for about six weeks about many things but specifically the mileage reimbursements. he had a high rate of getting reimbursed from the government and from his campaign accounts for miles he drove. we submitted a freedom of information act request with the state of illinois for all vehicle records and we found when he sold the car that he was driving between 2010 and 2014 it only had around $80,000 on it. he had claimed that he had driven about $17 01 170,000 miles on it. even if he drove it for exclusively campaign use it would be far less than he submitted. answer i got was not any explanation initially about the reimbursements but the message that he would be resigning effective march 31st. >> since then have there been any explanations? if he build taxpayers for 170

how to 170,000 and it only had 80,000 miles, that would be fraud. >> he hasn't explained why he did it why discrepancy is so large. there are questions that need to be answered. the federal law enforcement agencies might have to be asking those questions. he's no longer conferred by ethics committees. the congressional watch dogs that would typically pursue something like this are no longer operative because schock of congress. still no answers but a lot of questions outstanding. >> i understanddon't understand why the ethics stuff stops. >> you've seen historically when members of congress are in really big trouble, they tend to just leave because it does stop the ethics investigation. if he would have stayed no question the things that we know about and from what i'm told

things that perhaps could have been about to come out would have been the subject of a big investigation. his office had already been contacted by the ethics committee. likely he was as well. so that's why this is over. but as jake is hearing, as i am hearing and i think as is blatantly obvious by what we've been reporting, his problems could be far greater than just the ethics committee and maybe with the federal law. >> jake it is interesting because he didn't exactly hide his kind of lavish lifestyle. multiple flights on private jets. trips abroad. it was all documented on his instagram. i guess he had this personal photographer he traveled with him. >> he lived a very strange life on the taxpayer and campaign accounts. you don't really see too many members staying consistently at the four seasons, the ritz-carlton the peninsula hotel, flying in private jets. i've talked to members of congress who have far larger

congressional districts who don't ever take private jets. to say this was lavish is perhaps an understatement. you're right, he documented this entire thing on instagram which is perhaps a commentary on being 33 in congress wanting to be a young guy and use instagram. but this lavish lifestyle extend extended way beyond the office. >> he has a lot of questions to answer. quick reminder set your dvrs. watch "360" whenever you would like. the inside story of a very tense mid-air moment. what it was like on board united 1074 to denver as man charged the cockpit yelling. other passengers jumped into action to take him down. >> he was saying like they're going to bring the down down.

plane's going to go down. breaking news out of israel where elections could mean the difference between war and peace for the israelis, and perhaps for this country as well. fact. when you take advil you get relief right at the site of pain. wherever it is. advil stops pain right where it starts. relief doesn't get any better than this. advil.

the future of the market is never clear. but at t. rowe price we can help guide your retirement savings. our experience is one reason 100% of our retirement funds beat their 10-year lipper averages. so wherever your long-term goals take you we can help you feel confident. request a prospectus or summary prospectus with investment information, risks, fees and expenses to read and consider carefully before investing. call us or your advisor. t. rowe price. invest with confidence. the real question that needs to be asked is "what is it that we can do that is impactful?" what the cloud enables is computing to empower cancer researchers. it used to take two weeks to sequence and analyze a genome; with the microsoft cloud we can analyze 100 per day. whatever i can do to help compute a cure for cancer, that's what i'd like to do.

frightening moments on a united airlines flight from washington dulles airport to denver colorado last night. a passenger put a key lesson from 9/11 into action -- never, ever let a passenger storm the cockpit. fortunately it never came to that. it was not a terrorist attempt. it was simply a terrifying incident. a passenger joins us to share what he saw. >> reporter: an image like this exists because airline passengers took matters in their

own hands. and ended a potentially dangerous situation. the unidentified man now in custody. united airlines flight 1074 with 33 passengers six crew members had just taken off from dulles airport outside washington on its way to denver. less than 30 minutes after takeoff though this is what the tie lots told the tower. >> declaring an emergency due to a passenger disturbance. >> reporter: disturbance was man running up the single aisle of the 737 shouting jihad, jihad. according to some aboard the plane. another passenger said the man was shouting the plane was going to go down. >> he ran forward towards the cockpit and he is being restrained by other passengers. >> reporter: those other passengers and at least one male flight attendant weren't about to take any chances with be making sure the man was done with whatever rampage he was planning. he had bruises on his face apparently from being taken down.

>> i'm sorry! i'm so sorry! >> it's okay. we're going to get you off this plane, buddy. >> reporter: captain and first officer let the tower know this -- >> the cockpit is secure and we would just like to return to the airport and have the authorities meet him. >> reporter: the cockpit door was never breached keeping the door locked as the rule in this post-9/11 era. in reality the perpetrator in every had a chance to get to that door. >> this day and age passengers feel empowered, and they should to keep themselves and their aircraft safe and they are protected from suit by the person they have to subsue because the u.s. law says if passenger do that they are immune from pursuit and prosecution. >> reporter: passengers held the man down until the plane landed. >> relax and don't move. >> reporter: he's now in the hospital for observation. no weapons found and no charges filed as of yet. gary tuchman, cnn, atlanta. >> what you just saw unfolded

right in front of passenger joshua linstrom who was sitting in row 3 with his wife. can you take us through what happened? i understand you were in the third row just after takeoff. you felt a hand on your shoulder from this guy running up the aisle toward the cockpit. what happens then? >> he was leaning forward as the plane was going up. he was looking out the left-hand side. he was really occupied with the left-hand side. his head was bobbing up and down almost as if he expected to head to pop up outside the window. you know what i mean? because he was looking you a around saying they. he was talking. and almost -- it happens so fast i remember grabbing my wife's hand and i said this isn't good. i went to unbuckle at the same time i noticed the guy across the aisle in 3e was unbuckling. the attendant gave some sort of command to stand back and he turned and started heading towards the cockpit. and the guy in 3e was a

lightning bolt and just jumped out of his seat and took the guy down to the ground. >> others actually joined in as well then, right? had. >> yeah. his seat mate came in behind and so the first guy was the guy who was on top. the second guy had sort of the feet. the guy i think from 1a kind of jumped around on the head. a guy, flight attendant, got in the mix and the four of them wrestled and held him down on the ground. >> what was this guy saying? some reports are saying he said the word jihad. you did not hear him say that. what did you hear him say? what did others hear him say? >> he was saying like -- they're going to bring the plane down. the plane's going to go down. then he would switch to beingde des respondent i'm sorry, he

had some story like making money in money. he was like come with me come with me. he with a push him against and the guy holding him would say just lie still, we'll get you down on the ground. he would fight and sort of go through this wave of emotion up and down for the entire length of time. >> all in all as you look back on it did it feel to you this was just somebody who was mentally unstable or unstable in some way, not an attempted terror attack? >>. definitely -- from my vantage looking at it it was more troubled than it was terror. you know? but i wasn't the guys loelding him down. >> i know. one of the guys holding him down said that he did say the word jihad. >> no i never heard him say jihad. it could have just been i was preoccupied with him saying the plane's going down they're going to bring the plane down.

when the police escorted him off the plane and the passenger came back and sat down we started to chat he said did you hear it? like he said jihad a couple times? i don't doubt that he said it but he wasn't running down the aisle at first saying jihad. it certainly -- it was more troubled than terror. >> i can't even imagine. passenger joshua linstrm, thank you. the secret service is confirming preliminary screening of a letter sent to the white house reveals possible signs of cyanide. more test is being done. more happening tonight. a late update on israel's election. prime minister netanyahu speaking just a short time ago. we'll bring you that next.

so,as my personal financial psychic, i'm sure you know what this meeting is about. yes, a raise. i'm letting you go. i knew that. you see, this is my amerivest managed... balances. no. portfolio. and if doesn't perform well for two consecutive gold. quarters. quarters...yup. then amerivest gives me back their advisory... stocks. fees. fees. fees for those quarters. yeah. so, i'm confident i'm in good hands. for all the confidence you need. td ameritrade. you got this.

do you have something for pain? i have bayer aspirin. i'm not having a heart attack, it's my back. i mean bayer back & body. it works great for pain. bayer back & body provides effective relief for your tough pain. better? yeah...thanks for the tip!

just before the break we got word from the secret service about a suspicious envelope and a possible early test result for cyanide. jim acosta joins us on the phone. >> reporter: anderson on monday i guess which was yesterday, an envelope was received at the white house mail

screening facility which is something that's been set up for many, many years, to screen mail coming in to the white house for just these sorts of situations. accords to the u.s. secret service they did an initial biological testing on the nfl. that envelope. but earlier today they did testing on this envelope and returned what they're calling a presumptive positive for cyanide. then that sample was transported to another facility to confirm the results. and at this point the secret service is saying this is an ongoing investigation. they don't have any additional comment at this time. but we have heard from a law enforcement official in the last half our there were no injuries or exposure concerns for the person at the sorting facility who opened this letter. again, with all the questions that are going on with the secret service, this is an example of when they do catch something and they do perform their duty and something is found in time to prevent something quite damaging from reaching the white house.

>> any idea how long it is going to get more testing? >> these things typically can happen in a couple of days. we should know in the next 24 to 48 hours. now the secret service is not commenting. they were glad to catch this when they did at this sorting facility. which is why it is there. it is interesting it was not initially testing positive but the envelope tested positive later today. we'll have to wait to see what the latest is on that. >> thankfully no one at the facility was exposed. perhaps the most consequential israeli election in decades, crowds gathered outside benjamin netanyahu's campaign headquarters. he ignited controversy in washington renouncing his two-state solution. he's tonight claiming victory.

>> translator: against all odds we achieve this huge victory for likud. >> exit polling doesn't yet bearare him out. zionist union's candidate says he is still in the race for a new government. going in his coalition had been expected to outpoll likud in israel's parliament. a lot at stake for israel the region the united states. david gergen obviously the obama administration is saying whoever gets in to office whatever the ruling party is the good relationship between the united states and israel will continue. the support is unwavering.

clearly though for this white house, a strong showing by netanyahu, is it clear it is not what they wanted? >> behind the scenes we all know that the white house really starting with the president, loathe benjamin netanyahu and they have been privately hoping that isaac herzog would be able to put together a government and restores relations with the united states. there are a lot of wild cards in the years ahead. if the israeli government will not have a government for it appears maybe several days -- could be weeks. in that situation, how does israel -- how does netanyahu in particular now play a role in the closing days of the iranian negotiations? he'll speak with muffled voice. he'll no longer represent the state of israel until this election is resolved. >> it's also because not only is netanyahu being criticized for

saying that he doesn't want a two-state solution there will never be a palestinian state under his leadership -- which is -- some people say it confirms suspicions they've had all along but it officially is not what his position was years ago. also they are critical for him basically warning israelis about a high voter turnout by arabs in israel who can vote. essentially critics say it a form of racism. >> it is dispiriting to me that this sheemseems to have helped netanyahu. he appealed to his voters saying the arabs voted in droves. those are his citizens he was supposed to be representing. imagine what the reaction would be if an american said you better get to the polls because all those black people are going to vote. it is essentially what he said. it is a desperate effort and it is really disturbing. if israel goes down the road of electing netanyahu and a right

wing government been it will probably mean a more isolated israel and an end to the peace process. >> do you agree, david? officially the united states backs a two-state solution. >> i don't see how benjamin netanyahu as a prime minister there is going to be a realistic hope for a peace process on his watch. he said he's now against a two-state solution. i don't know where you go from there in terms of getting a peace process going. one of the interesting questions i think hanging in there, one of the interesting sort of wild cards is the arab vote. they now have the third-largest bloc. they said they would stay out of forming a coalition. but do you feel peter there is a possibility they could now join up with likud, with herzog and form a government? >> well this has been one of the problematic issues of the israeli politics. by tradition arab parties have never been part of a forming an israeli government coalition.

there's been a historic understanding in israeli politics you always needed a jewish majority. so you're right, the arab parties have said they don't want to become part of it but herzog has also suggested that himself doesn't want to bring them in. i think it would actually be a very positive development for israel if israel were to include arab parties in is governing coalitions but that's not been the history. >> a lot to learn in the next couple of days and hours. ahead police raid robert durst's home as he's charged with first degree murder of a friend in 2000. i'll speak with two jurors from one of his trials next.

most of the products we all buy are transported on container ships. before a truck delivers it to your store, a container ship delivered it to that truck. here in san diego, we're building the first one ever to run on natural gas. ships this big running this clean will be much better for the environment. we're proud to be a part of that. [ female announcer ] we help make secure financial tomorrows a reality for over 19 million people. [ susan ] my promotion allowed me to start investing for my retirement. transamerica made it easy. [ female announcer ] everyone has a moment when tomorrow becomes real. transamerica.

transform tomorrow. i have the worst cold with this runny nose. i better take something. dayquill cold and flu doesn't treat your runny nose. seriously? alka-seltzer plus cold and cough fights your worst cold symptoms plus your runny nose. oh, what a relief it is.

well breaking news tonight. police are searching the houston home of robert durst who is in custody in new orleans. looks like he'll be staying in new orleans a little while

longer. he was in court today related to his arrest over the weekend. another hearing is set for monday. he faces extradition to california where he is charged with first degree murder in the death of his long-time confidant 15 years ago. durst was arrested saturday a day before the season finale of "the jinx" aired. today his attorney said the california warrant was issued because of a television show and not because of the facts. the series investigated the disappearance of durst's wife berman's death and his acquittal in texas where he admitted killing and dismembering his neighbor. in a moment i'll speak with two jurors from the case. but first -- >> reporter: his name is morris black. you might say he had the rotten luck of being robert durtsz's neighbor. soon his arms legs and torso began washing ashore. a 13-year-old boy discovered

them. >> i didn't know it was a body until i got really close to it. >> reporter: it all happened in galveston, texas where durst fled to from new york after his wife disappeared. she was never found. neither was a key piece of evidence in the death of morris black. his head. without it investigators couldn't examine the bullet wound for themselves. >> don't cut somebody up another human being, into pieces and bag him up dump him in the bay, when you act in self-defense. >> reporter: prosecutors believe durst really killed black so he could assume his identity and hide from detectives investigating his wife's disappearance. durst was already using a fake identity though. cross dressing as a mute woman often walking around smoking marijuana. durst, meanwhile, never denied killing black. >> i figured it was deep. going to drop it it is going to sink. who cares where the tide is going. it's underwater nobody's going

to see it. . . >> but the bags didn't sink. >> no. >> reporter: durtsst also admitted to police black died from a bullet in his apartment. he confessed to wiping out any trace morris black ever existed. >> he says he was looking on it as if it were a dream, as if it was someone else. i was watching it happen. it was like a sea, like looking through a bloody glass. >> reporter: they say durst tried to break off the friendship with black telling him never to come to his apartment again. they struggled over a gun. durst panicked after killing black so he got lis of his body. police recovered a 9 millimeter handgun and a bow saw from his car. in the trash, a 2 2 kal2 caliber

handgun. in the end the jury believed it was self-defense. >> we the jury find the defendant, robert durst, not guilty. >> reporter: robert durst walked free avoiding what could have been 99 years in prison. randy kaye cnn, new york. >> joining me, two jurors that acquitted in acquitted durst in that murder trial. before we get to the galveston case your featured in the hbo documentary about robert durst. what went through your mind when you heard he had been arrested this past weekend? >> i was very surprised. shocked. i had been interviewed for documentary a few years ago and had been watching it every episode, every sunday. >> deborah, i'm wondering how you respond to criticism, which

i'm sure you got after the trial was over and still today, people basically saying how could this guy who admitted to killing, then dismembering a person morris black, how could he be acquitted? i'm wondering just as a juror how do you see it? how do you explain it? >> well anderson like i said in the first trial, it wasn't a 9-3 vote that he was not guilty. it was a unanimous vote by everyone on the jury. and i did what the system required of me to do and by the verdict coming out to not guilty it just was what it was. i mean i've got a lot of flack for it. >> i mean again, you're doing a service by sitting on the jury so anybody who's giving you flack, they weren't sitting in you're seat. jo ann, as a jury, did you take into account he had dismembered morris black? couldn't take that into account?

>> no. that's one thing -- i'm glad you asked me that. deborah, i'm sure will agree with there. that was not part of this trial. the trial that we sat as jurors on was how morris black died. so the question was, the actual charge that we had to answer was, was he murdered or was he killed in self-defense or by accident. and the state could not prove it. >> jeff toobin it's interesting because, had this been a head -- his head was really only body part that was still missing -- had there been a head perhaps the authorities would have been -- the state would have been able to prove how he was shot which would have differed from robert durst's account of the actual shooting. but without a head it was basically robert durst's account of how he was killed. right? >> that's right. and who removed the head but robert durst.

so i respect these jurors. i respect anyone who does jury service. its pea a difficult job. but it doesn't mean that they should be immune from criticism. and i do think this jury made a mistake. if i could just point to one specific point. the jurors have consistently said well cutting up of the body had nothing to do with this case. that's not true. the prosecution pointed to the cutting up of the body as proof of durst's guilty conscience that he knew he had done something wrong. so that was very much part of the case and respectfully i think the jury made a mistake in not seeing that fairly obvious point. >> jo ann, to you, in your mind was there any question though even though he wasn't charges for cloping up the body that that told you what kind of a person he was, that told you about what he thought about what he had done? >> the instructions that ewe had and the remarks in the trial were that he wasn't on trial for

these things. i mean he admitted that he did them. i mean we were told that he was -- you know one reason that he cut up the body was because no one would believe what happened and so he was running away from janin peannine, pirro. when we hear that as evidence in trial, we think that's the truth. >> how good are the lawyers in los angeles? in the documentary, they seem really really good to me. >> you asked are they good? i call them brilliant. brilliant attorneys sitting over there fighting for him. whether the d.a. only had two people sitting over there fighting for this case. we were told we couldn't hold these things against this man. he was on trial for a murder and that's the way it was. and i would like to say to you that for 11 years i've been -- hasn't a month gone by

thattive's been reminded of robert durst. not a day. in fact to the point where they called it "my boy." that's "my boy." >> you must love that. >> i just did what i had to do. >> no. i don't love that. >> i'm kidding. i'm kidding. >> i'm not his next of kin. i'm not his next of kin. >> i think you're counting your lucky stars you're not every single day on that one. i would certainly be. jo ann and deborah, appreciate your time. jeff toobin as well. coming up next a tough call. promising nfl rookie with potential to make millions quits the nfl. he says it is not worth of risk to his head and long-term health. dr. sanjay gupta has reported on professional football and head injuries. he joins us next. e're going to need you on the runway later. don't let a severe cold hold you back. get theraflu... ...with the power of three medicines to take on your worst pain and fever, cough and nasal congestion. it breaks you free from your toughest cold and flu symptoms. theraflu. serious power. the real question that needs to be

asked is "what is it that we can do that is impactful?" what the cloud enables is computing to empower cancer researchers. it used to take two weeks to sequence and analyze a genome; with the microsoft cloud we can analyze 100 per day. whatever i can do to help compute a cure for cancer, that's what i'd like to do. there's nothing more romantic than a spontaneous moment. so why pause to take a pill? and why stop what you're doing to find a bathroom? with cialis for daily use, you don't have to plan around either. it's the only daily tablet approved to treat erectile dysfunction so you can be ready anytime the moment is right. plus cialis treats the frustrating urinary symptoms of bph, like needing to go frequently, day or night. tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex. do not take cialis if you take nitrates for chest pain

as it may cause an unsafe drop in blood pressure. do not drink alcohol in excess. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision or any symptoms of an allergic reaction stop taking cialis and get medical help right away. why pause the moment? ask your doctor about cialis for daily use. for a free 30-tablet trial go to cialis.com you can't predict the market. but at t. rowe price we've helped guide our clients through good times and bad. our experienced investment professionals are one reason over 85% of our mutual funds beat their 10-year lipper averages. so in a variety of markets we can help you feel confident. request a prospectus or summary prospectus with investment information risks, fees and expenses to read and consider carefully before investing. call us or your advisor. t. rowe price. invest with confidence.

look! this is the new asian inspired broth bowl from panera bread. that noise! panera broth bowls should be slurped with gusto! to explore further order online or visit your neighborhood panera bread.

tonight a decision that could not have been ezasy to make. an nfl rookie linebacker says he a he leaving the game for the sake of his health. he's 24 years old and many consider him a superstar but he's walking away because he says he's worried about the long-term effects of concussions. >> it is a unique decision to me. i've done a lot of research. what i had experienced in my past. projected to what i would have to do to be the linebacker i wanted to be. and for me it wasn't worth the risk. i'm certainly not going to take on health risk or compromise my well x just for money. >> studies have linked repetitive head trauma

concussions with long-term brain damage. dozens of nfl players have been diagnosed with progressive brain damage after their deaths. dr. sanjay gupta has done a lot of reporting on this issue and joins me tonight. to retire from the nfl at 24 is pretty unheard of. but long term the risks they expose themselves to are serious. >> the documents from the nfl say they expect one-third of their repird players developing a cognitive problem. they say they guessed high because they tried to account for as many players as possible to take care of them from a medical standpoint. but one-third of players is pretty significant. average player a player dies from the nfl is 57. three times more likely to developed things like alzheimer's als and other cognitive problems. there's correlation that we've seen for a long time. he is the first player though to

basically say, because of my concern about bain concern, specifically brain injuries cte, i'm making this decision. this may surprise you a little bit. he is a linebacker. you think those guys on the line are going to have the biggest blows to the head. oftentimes they do. but it is really more the speed players. quarterbacks for example. running backs. players who are moving at a high rate of speed, then have collisions. or if you are a quarterback, somebody is coming at you at a high rate of speed. those injuries seem to be the most significant. it is not just the impact itself. but also what we call rotational impact. look at the way the brain moves in that animation there. it is not just a blow but the brain is actually moving in a rotational force as well. that seems to be really more highly associated with concussions and subsequently

cte. this animation shows the brain doesn't just take a blow it changes its shape. it contorts. it moves in response to a blow and that causes some of the damage even at the neuron level. >> a lot of players will stay from. they need the money, they love the game whatever the reason they've worked really hard to get there obviously. is there anything they can do to mitigate the risk? >> there's been a lot of talk of can you make football be a safer game and still be football. i think there's been some various things that have lapped at the league level to try and reduce the impact of these injuries. for example, the kickoff return is one of the fastest moving parts of the game. player gets the ball they're running back, as gaftfast as they can, they've moved the kickoff line forward so you have fewer of these instances where people are returning the ball at a high speed. lus you also find it is not just big blows that cause the problem but

many different blows to the head that can, over time add up. a lot of those are lapping in practices. but it is a rough and tumble game. there's no question. >> incredible. sanjay thanks very much. we're learning a lot more about the suspicious letter sent to the white house. new details next.

do you have something for pain? i have bayer aspirin. i'm not having a heart attack, it's my back. i mean bayer back & body. it works great for pain. bayer back & body provides effective relief for your tough pain. better? yeah...thanks for the tip!

we're following developments

in the suspicious letter sent to the white house. the envelope held some kind of milky substance held in a container in a plastic bag. preliminary testing tests positive for cyanide. more testing is under way. tonight we look at how the thieves stole from a museum in boston. we asked the $500 million question -- who pulled off the greatest art heist in history? in a cnn special report. here a quick preview. >> i'd like to say it is boston's last best secret. >> reporter: who stole the 13 works of art from the isabella stuart gardner museum and where are they now? it is a question that continues to puzzle me summuseum security director anthony moret? >> there were lots of quirky

things about it. every time you turn around there is a different interesting fact that you find. >> reporter: one of the biggest questions for him -- why did thieves steal what they did? remember path of the thieves on the second floor when they went from the dutch room to the short gallery, bypassing valuable works of art that were small and portable and worth a lot more than some of the other art they stole. >> the two big rembrandts and the vamir, those three pieces account for 90% of let's call it $400 million, $500 million, of the value. >> reporter: another big question -- why did the thieves bother taking the golden finial that sat adopt of a napoleonic flag. >> they wanted very badly to get that flag.

that always seemed to me the clue that's most interesting. >> a fascinating hour fascinating 34ismystery. the $500 million question bsh who pulled off who pulled off the greatest art heist in history. >> the following is a cnn special report. >> reporter: inside these walls, priceless works of art, but also a mystery that's lasted 25 years. >> i like it is boston's last best secret. >> reporter: on march 18 1990 $500 million worth of art, stolen from a boston museum. the biggest art heist in history. >> this is the creme de la creme of art recovery. >> reporter: how did the thieves gets inside? how did they get away with 13 priceless pieces? and a quarter century later, where are the paintings? >> once they