Apologizing for sending an innocent man to death row for 30 years. In 2014, glenn ford was finally exonerated and released by the District Attorney, who still defends the system. Have you no compassion for what mr. Ford has been through . Well, you dont know me at all, do you . But you have no problem asking that question. Whitaker no, i am asking because i am seeking an answer. Im not in the compassion business. Stahl security is tight at the large hadron collider. You need an iris scan to get inside. Thank you. You have been identified. Power, cooling. Stahl the entire complex is buried deep underground. This is the detector right here. Stahl its believed to be the largest and most complex machine mankind has ever created. The things its searching for oh, no. Really . Im steve kroft. Im leslie stahl. Im bill whitaker. Im Sharyn Alfonsi. Im scott pelley. Those stories, tonight on 60 minutes. This portion of 60 minutes is sponsored by the lincoln summer invitation. 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Prevnar 13 . Is used in adults 18 and older to help prevent infections from 13 strains of the bacteria that cause pneumococcal pneumonia. You should not receive prevnar 13 . If youve had a severe allergic reaction to the vaccine or its ingredients. If you have a weakened immune system, you may have a lower response to the vaccine. Common side effects were pain, redness or swelling at the injection site, chills, or rash. Get this one done. Ask your doctor or pharmacist if youve gone to extremes to escape your nasal allergies. Try clarispray. From the makers of claritin. Clarispray provides 24hour, prescription strength relief from sneezing, runny nose, and nasal congestion. Return to the world. Try clarispray today. Alfonsi a lot of modern life is interconnected through the internet of things, a global empire of billions of devices and machines. Auto navigation systems, smart tvs, thermostats and Home Security systems. Telephone networks and online banking. Almost everything you can imagine is linked to the world wide web, and the emperor of it youve probably been warned to be careful about what you say and do on your phone. But after you see what we found, you wont need to be warned again. We heard we could find some of the worlds best hackers in germany, so we headed for berlin. Just off a trendy street and through this alley, we rang the bell at the door of a former factory. Karsten nohl hi im karsten. Alfonsi thats where we met karsten nohl. Come on in. Alfonsi a german hacker with a doctorate in Computer Engineering from the university of virginia. You can lead the way. We were invited for a rare look at the inner workings of Security Research labs. During the day, the lab advises fortune 500 companies on but at night, this International Team of hackers looks for flaws in the devices we use everyday smartphones, usb sticks and sim cards. They are trying to find vulnerabilities before the bad guys do, so they can warn the public about risks. At computer terminals and work benches equipped with micro lasers, they physically and digitally break into systems and devices. Nohl hang up. Alfonsi now, nohls team is probing the security of mobile phone networks. Is one phone more secure than another . Is an iphone more secure than an android . Nohl all phones are the same. Alfonsi if you just have somebodys phone number, what could you do . Nohl track their whereabouts, know where where they go for work, which other people they meet when you can spy on whom they call and what they say over the phone. Alfonsi we wanted to see whether nohls group could actually do what they claimed. So we sent an offtheshelf iphone from 60 minutes in new york to representative ted lieu, a congressman from california. He has a Computer Science degree from stanford and is a member of the House Committee that oversees information technology. He agreed to use our phone to talk to his staff knowing they would be hacked. And they were. All we gave nohl was the number he we lent the congressman. Alfonsi hello congressman . Its Sharyn Alfonsi from 60 minutes. As soon as i called congressman lieu on his phone good. How are you doing . Nohl and his team were listening and recording both ends of our conversation. Im calling from berlin. I wonder if i might talk to you about this hacking story were working on. Nohl what hacking story . Alfonsi they were able to do it by exploiting a security flaw they discovered in signaling it is a littleknown, but vital Global Network that connects phone carriers. Congressman, thank you so much for helping us. Every person with a cell phone needs ss7 to call or text each other. Though most of us have never heard of it. Nohl says attacks on cell phones are growing as the number of mobile devices explodes. But ss7 is not the way most hackers break into your phone. Those hacks are on dis i john hering three days of nonstop hacking. Alfonsi thats where john hering guided us through the Unconventional Convention where 20,000 hackers get together every year to share secrets and test their skills. Hering its proving whats possible. Any system can be broken. Its just about knowing how to break it. Alfonsi hering is a hacker himself. Hes the thirtysomething whiz who cofounded the mobile Security Company lookout when lookout has developed a free app that scans your mobile phone for malware and alerts the user to an attack. How likely is it that somebodys phone has been hacked . Hering in todays world, theres really only two types of companies or two types of people which are those who have been hacked and realize it and those who have been hacked and havent. Alfonsi how much do you think people have been kind of ignoring the security of their cell phones, thinking, ive got a passcode, i must be fine . Hering i think that most people have not really thought about their phones as computers. And that thats really starting to shift. Alfonsi and thats what you think . Its like having a laptop now . Hering oh absolutely. I mean, your mobile phone is effectively a supercomputer in your pocket. Theres more technology in your mobile phone than was in, you know, the space craft that took man to the moon. I mean, its its really unbelievable. Alfonsi is everything hackable . Hering yes. Alfonsi everything . Hering yes. Alfonsi if somebody tells you, you cant do it. Hering i dont believe it. Alfonsi john hering offered to prove it. Hackers at our las vegas hotel. Each of them a specialist in cracking mobile devices and figuring out how to protect them. Adam laurie would you put your money in a bank that didnt test their locks on their safes . We need to try and break it to make sure that the bad guys cant. Alfonsi how easy is it to break the phone right now . John oberheide very easy. Laurie as youve seen, pretty trivial. Alfonsi do i need to connect to it . Okay. It started when we logged onto the hotel wifi. At least it looked like the hering had created a ghost version. Its called spoofing. I mean, this looks legitimate. Hering it looks very legitimate. So youre connected . Alfonsi i am. Hering and i have your email. laughs alfonsi you have access to my email right now hering yeah. Its coming through right now. I actually can s i know have a ridesharing application up here, all the information thats being transmitted, including your account i. D. , your mobile phone, which i just got the all the credit cards associated with that account. Alfonsi Jon Oberheide pointed out the greatest weakness in mobile security is human nature. Jon oberheide with social engineering, you cant really fix the human element. Humans are gullible. They install malicious applications. They give up their passwords every day. And its really hard to fix that human element. Alfonsi john hering warned us he could spy on anyone through their own phone as long as the phones camera had a clear view. We propped up the a phone on my desk and set up cameras to record a demonstration. First he sent a text message with an attachment to download. Hering were in business. Alfonsi then hering called from san francisco. desk phone rings and proved the hack worked. Hering i installed some malware in your device thats broadcasting video of your phone. Alfonsi my phones not even lit up. Hering i understand, yeah. Alfonsi thats so creepy. Katie its pitch black for us. Hering was able to take control of my phone. But congressman lieu didnt have to do anything to get attacked. All karsten nohls team in berlin needed to get into the congressmans phone was the number. Remember ss7, that littleknown global phone network we told you about earlier . Nohl ive been tracking the congressman. Alfonsi theres a flaw in it that allowed nohl to intercept and record the congressmans calls and track his movements in washington and back home. Been in california, more specifically the l. A. Area. Zoom in here a little bit, torrance. Alfonsi the ss7 network is the heart of the worldwide mobile phone system. Phone Companies Use ss7 to Exchange Billing information. Billions of calls and Text Messages travel through its arteries daily. It is also the network that allows phones to roam. Are you able to track his Location Services and turns that off . Nohl yes. The mobile network independent from the little g. P. S. Chip in your phone knows where you are. So any choices that a congressman couldve made, choosing a phone, choosing a pin number, installing or not installing certain apps, have no influence over what we are showing because this is targeting the mobile network. That of course, is not controlled by any one customer. Alfonsi despite him making good choices. Youre still able to get to his phone. Nohl exactly. Alfonsi karsten nohl and his team were legally granted access to ss7 by several International Cell phone carriers. In exchange, the carriers wanted nohl to test the Networks Vulnerability to attack. Thats because criminals have proven they can get into ss7. Nohl mobile networks are the only place in which this problem can be solved. There is no global policing of ss7. To protect their customers on their networks. And that is hard. Alfonsi nohl and others told us some u. S. Carriers are easier to access through ss7 than others. 60 minutes contacted the cellular phone trade association to ask about attacks on the ss7 network. They acknowledged there have been reports of Security Breaches abroad, but assured us that all u. S. Cell phone networks were secure. Congressman lieu was on a u. S. Network using the e him when he was part of our hacking demonstration from berlin. I just want to play for you something we were able to capture off of your phone. Hi ted its marc, how are you . Representative lieu im good. I sent you some revisions on the letter to the n. S. A. , regarding the the data collection. Representative lieu wow. Alfonsi what is your reaction to knowing that they were listening to all of your calls . Representative lieu i have tw and second, it makes me angry. Alfonsi makes you angry, why . Representative lieu they could hear any call of pretty much anyone who has a smartphone. It could be stock trades you want someone to execute. It could be calls with a bank. Alfonsi karsten nohls team automatically logged the numbers of every phone that called congressman lieu. Which means, theres a lot more damage that could be done than just intercepting that one phone call. A malicous hacker would be able to target and attack every one of the other phones too. So give us an idea, without being too specific, of the types of people that would be in a congressmans phone. Representative lieu there are other members of congress, other elected officials. Last year, the president of the United States called me on my cell phone. And we discussed some issues. So if the hackers were listening in, they would know that phone conversation. And thats immensely troubling. Alfonsi nohl told us the ss7 flaw is a significant risk, private communications could be of high value to hackers. The ability to intercept cell phone calls through the ss7 network is an open secret among the worlds intelligence agencies, including ours, and they dont necessarily want that hole plugged. If yound up hearing from the intelligence agencies that this flaw is extremely valuable to them and to the information that theyre able to get from it, what would you say to that . Representative lieu that the people who knew about this flaw and saying that should be fired. Alfonsi should be fired . Representative lieu absolutely. Alfonsi why . Representative lieu you cannot have 300some million americans and really, right, the global citizenry be at risk of having their phone conversations intercepted with a known flaw, simply because some intelligence agencies might get some data. That is not acceptable. Hering id say, that the average person is not going to be exposed to the type of attacks we showed you today. Our goal was to show whats so people can really understand if we dont address security issues, what the state of the world will be . Alfonsi which will be what . Hering we live in a world where we cant trust the technology that we use. Alfonsi since our report first aired in april, Security Researchers in germany said theyve watched ss7 access for sale by criminals grow dramatically. And a week ago, the mobile Security Experts at lookout revealed a flaw in iphone softwaha take over the devices with just one wrong click. Apple quickly issued a worldwide fix. Good evening. 37 oil and gas wastewater wells are shutting down in oklahoma following an earthquake felt in louisianas governor says last months floods caused more than 8. 7 million in damage. And wednesday apple is expected to unveil the iphone 7 in a new apple watch. Theres something out there. That can be serious, even fatal to infants. Its whooping cough, and people can spread it without knowing it. Understand the danger your new grandchild faces. Talk to your doctor or pharmacist about whitaker there may be no greater miscarriage of justice person of murder and sentence him to death. But, as we first reported in october, thats exactly what happened to glenn ford. He spent nearly 30 years on death row in solitary confinement, in louisianas notorious angola prison, until new evidence revealed he did not commit the murder. Ford was one of 150 inmates freed from death row since the u. S. Supreme court reinstated in all those exonerations, you have likely never heard a prosecutor admit his role and apologize for his mistakes in sending an innocent man to death row, but, tonight, a prosecutors confession. Marty stroud, speaks of an injustice he calls so great it destroyed two lives glenn fords and his own. Marty stroud i ended up, without anybody elses help, putting a man on d r didnt belong there. I mean, at the end of the day the beginning, end, middle, whatever you want to call it i did something that was very, very bad. Whitaker it was 1983, shreveport, louisiana, and 32 yearold prosecutor marty stroud was assigned his first Death Penalty case. A local jeweler, isadore rozeman, had been robbed and murdered. Quickly, stroud zeroed in on rozeman and was known to be a petty thief, and he admitted he had pawned some of the stolen jewelry. All that was enough to make him the primary suspect. Stroud knew a conviction would boost his career. Stroud i was arrogant, narcissistic, caught up in the culture of winning. Whitaker win regardless of the facts, the truth . Stroud looking back on it, yes. Peoples involvement. I should have followed up on that. I didnt do that. Whitaker why didnt you . Stroud i think my failure to Say Something can only be described as cowardice. I was a coward. Whitaker stroud now admits the cards and the system were stacked against ford from the beginning his courtappointed lawyers had never practiced criminal law. What kind of law did they practice . Stroud one individual had general civil practice, and whitaker in a murder trial . Stroud here they are in a murder trial in louisiana where a man was on trial for his life. And at the time, i saw nothing wrong with that. In fact, i snickered from time to time, saying that this was going to be. Were going to get though this case pretty quickly. Whitaker strouds case wasnt strong. There was no physical evidence linking ford to the crime. The main witness incriminating ford admitted in court shed been coerced by police to make up her testimony. But what was more important to marty stroud was the composition of the jury. Stroud there were no African Americans on the jury. Whitaker was that by design . Stroud at the time of the case, we excluded African Americans because we. I felt that they would not consider a Death Penalty where you had a final call on the case with respect to jurors. And i was. I was wrong. Whitaker caddo parish, louisiana, is predominately white. Yet 77 of those given the Death Penalty here in the last 40 years have been black. Stroud so, when glenn ford walks into that courtroom, hes got a count of 0 and 2 against him, and a fast balls coming right at hea whitaker it took the jury less than three hours to find glenn ford guilty. Afterwards, stroud and his legal team went out and celebrated sending ford to death row. Stroud i had drinks. I slapped people on th