But zac said he never pulled the trigger. No maam. Years later, the family learned the rifle had a trigger defect. Has remington ever admitted wrongdoing . Never. You cannot admit wrongdoing when you have seven million of these things on the market. Just knowing how vulnerable i was as a kid, just ruined me. The girls would say, yeah, he touches you funny. They were top u. S. A. Gymnasts who are on 60 minutes tonight to reveal an awful secret years and possibly decades of sexual abuse inside the u. S. A. Gymnastic system, including some of americas top olympians. I believe what at the end of the day, there are members of every single olympic team since 1996 he did this to. Thats what were going to end up with. Im steve kroft. Im lesley stahl. Im bill whitaker. Im scott pelley. Those stories, tonight on 60 minutes. The moments that connect us dont happen overnight. They happen one morning at a time, and one cup at a time. Folgers, bestpart of wakin. Knowing where you stand. 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Kim jongun tested a new type of missile. Then his estranged brother was poisoned in a malaysian airport. South koreas spy agency believes kim ordered the hit. Kim has Nuclear Weapons and has promised to test an intercontinental ballistic missile. Such a weapon could eventually carry a Nuclear Warhead and threaten american cities. That possibility, and the missiles he has aimed at south korea are so dangerous, u. S. Defense secretary james mattis went to seoul on his first foreign trip. We went just days later and saw how tense the situation has become. We got two important perspectives. We spoke to the commander of the 28,000 american troops there, as well as the highest ranking north korean to defect in decades. He told us the missiles and murders are part of kims raging obsession with the survival of his regime. Thae yongho ive been in seoul for six months, and to be honest, i was never public until now. Whitaker we went for an evening out in seoul with thae yongho. He was north Koreas Deputy ambassador in london before he defected in august. A defection by someone of his rank is extremely rare. This was the first time he had walked about in public. Just off camera, six bodyguards watched his every move, as we made our way down one of the busiest shopping streets in asia. North korea has assassinated defectors in seoul. Thae yongho in order to prevent more possible defections from north korea i think kim jongun will do anything. Whitaker even kill you . Thae yongho of course. Why not . Whitaker the man who could order an assassination is kim jongun. The dictator is the third member of the kim family to rule north korea. They have controlled the impoverished country with an ironclad fist for 70 years. This was last weeks missile test. Kim devotes a quarter of his countrys economy to weapons like this, and his million man army, despite widespread food shortages. Thae yongho kim jongun strongly believes that once he possesses i. C. B. M. , then he can easily scare off america. Whitaker right now, how dangerous is north korea to the stability of south korea and as a threat to the United States . Thae yongho kim jonguns capability to wreak harm, not only to america but also to south korea and the world, should not be underestimated. Whitaker during his five years in power, kim jongun has expanded north Koreas Nuclear arsenal, despite International Sanctions that have brought his countrys economy to its knees. Electricity is scarce. From space, north korea is a black hole. Thats it, wedged between the shining lights of south korea, and china to the north. Thae said he was living a comfortable life here at the north Korean Embassy in london before he fled with his wife and two grown sons. His job in london was to spread north korean propaganda, and report back on his colleagues. You all live together under one roof . Thae yongho yes. Whitaker so you could keep an eye on each other . Thae yongho keep an eye on each other, control each other, and even spy on each other. Whitaker but thae said he lost all faith in the regime when kim jongun killed his own uncle in 2013, and executed dozens of perceived enemies, including diplomats. I have seen tape of you thae yongho yes. Whitaker giving speeches in london. Youre very convincing. You seem to be a true believer yourself. Thae yongho if i show any sign of hesitation, then i would be, you know, sent to whitaker what would happen to you . Thae yongho i would be sent to prison camps. So my whole familys life will be jeopardized. Whitaker thae said there was one big obstacle to his defection. Thae yongho all north korean diplomats are forced to leave one of their children back in pyongyang as a hostage. Whitaker as a hostage . Thae yongho yes. Whitaker his break came when that policy unexpectedly changed, and thaes oldest son was allowed to join the family in london. They all agreed to defect. He would not give us the details of his escape and who helped, but we know he was kept in a safe house by south korean intelligence agents and questioned for more than three months. He said it was too dangerous for us to meet his family. Now, ive been talking to you for a couple of days now. You come from a secretive place. Thae yongho yes. Whitaker but i think you still have lots of secrets. Thae yongho sure. Yes. Whitaker how do we know that what he is telling us is the truth, not just selfserving . Chung min lee you know, when a defector makes a decision to jump ship, he is doing it at a huge cost, his coworkers or relatives, inlaws will be purged or killed. Whitaker chung min lee was south koreas ambassador for National Security until last year. He said looks here can be deceiving. The risk of war today is exceptionally high. I think most americans right now would see this as a holdover from the cold war. But it seems to be quite hot when youre here. Chung min lee thats right. This is the only place on the entire planet where you have nearly a million forces on both sides standing, ready to fight a war in basically a nanosecond. And who is there right in the middle of this . Its basically the u. S. Forces. Whitaker lee helped shape seouls policy toward north korea. He went with us to panmunjom, the village in the two and a half mile wide Demilitarized Zone that separates north and south korea. As we got closer, seouls sprawl gave way to military check points. The agreement that suspended the korean war was signed here. But theres still no peace treaty. The war began when the communist north invaded in 1950. 34,000 americans were killed in what amounted to a stalemate. Chung min lee so this is the longest war on paper since world war ii. So we are still technically in a state of war. Whitaker today both sides still stare each other down. Thats north korea right there, that building just 100 yards away. We were told to avoid sudden movements that could be interpreted as threatening. It wasnt long before north korean soldiers took an interest in all the activity. So we went inside a negotiation hut that straddles the border. What is right behind the door . Chung min lee right behind the door is, basically from there this is north korea. Once you go out, thats it. We have no jurisdiction on that side of the door. Whitaker so if i were to walk out that door . Chung min lee thats it. Whitaker im in the hands of north korea . Chung min lee thats true. Whitaker lets stay on this side. It was all surreal. This part of the d. M. Z. Closest to seoul had the feel of a cold war theme park complete with a fake village on the north korean side built to impress the south. And in case you missed the point, loudspeakers blared propaganda marshal songs praising kim jongun. A few miles away, tourists crowded an observation deck, snapping photos with troops, cardboard cutouts, and the real ones. What the visitors could not see on the other side of those mountains are 10,000 artillery pieces the north Korean Military has aimed at seoul. All of which could reach the 28 Million People in and around the south korean capital. U. S. War planners estimate 500,000 people could be killed in a second korean war. Is there any other metropolitan area on earth this vulnerable . James slife certainly nothing that approaches seoul in terms of the size, the density of the population. Theres nothing like it. Whitaker u. S. Air force general james slife flew with us over the city. Its just 30 miles from the d. M. Z. We landed at Osan Air Base where korean airmen and their american colleagues monitor all activity north of the d. M. Z. For security, they shut off the giant video displays right before we came in. This facility is among the first to detect north Korean Missile launches. Youre, like, on a war footing all the time. Slife thats right. This is truly one of those places where the best way to prevent a war is being ready for a war. Whitaker the norths latest missile test used a new type of solid fuel engine and was fired from a mobile launcher, making it quick to deploy and difficult for u. S. Satellites to detect in realtime. Slife with the development of ballistic missiles, with the development of Nuclear Weapons, things here have a tension that you can feel in the air as you move around places like this. Whitaker we wanted to talk to the general who leads u. S. Forces in korea and would command korean troops in the event of a war. He asked to meet us at guard post four. Its a citadel on critical high ground at the end of a road lined with land mines. We were the First American news crew allowed in. This was no cold war theme park. Body armor was required and artillery was on standby in the event we came under fire. General vincent brooks has commanded u. S. Forces fighting in iraq and afghanistan. I dont think people at home know how tense this line is. Vincent brooks what it takes to go from the condition were in at this moment to hostilities again, is literally the matter of a decision on north koreas side to say fire. And on top of this, we have the missile capability thats been developed, over 120 missiles fired just in the time of kim jongun alone. Whitaker so now theyre talking about i. C. B. M. S that might be able to reach the west coast of the United States. How do you stop them from taking that next step . Brooks north koreas responsible for the direction that the region is going. It is responsible for the conditions of instability that are starting to arise. It has to take responsibility for that and stop. Whitaker his country is poor. His people are starving. What is it that he wants . Brooks survival whitaker survival. Brooks and recognition. Whitaker kim jongun is now recognized as a global threat. U. S. Intelligence estimates he has at least ten Nuclear Weapons. If the u. S. Decided it had no choice but to launch a pre emptive strike on an i. C. B. M. Test site, it could trigger the unthinkable. Brooks if north korea uses Nuclear Weapons, it will be met with an effective and overwhelming response. Now they can take it to the bank. We make that same point to our allies and partners, like the republic of korea and like japan. Whitaker effective and overwhelming response . Brooks effective and overwhelming response. Whitaker wipe north korea off the map . Brooks whatever overwhelms you. Whitaker that warning rang in our ears as we returned to seoul and met one last time with defector thae yongho. We asked about his brother and sister, still in north korea. What do you think has happened to them . Thae yongho they will be sent to prison camps. That is what i am absolutely sure. Whitaker does that weigh on you . Thae yongho of course. Yes. I cannot get rid of that kind of nightmare after night of seeing my brother and sister in prison camps. Whitaker thae told us he believes he can help topple the north korean regime by encouraging other defections and speaking out. During the campaign, President Trump called kim jongun a maniac. His language has been much more careful since the latest missile test. Join the 60 minutes team under the watchful eyes and loaded guns of the north korean army. Go to 60minutesovertime. Com. Sponsored by viagra. Viagra single packs. So guys with ed. Can take viagra when they need it. Ask your doctor if your heart is healthy enough for sex. Do not take viagra if you take nitrates for chest pain or adempas® for pulmonary hypertension. Your Blood Pressure could drop to an unsafe level. To avoid longterm injury, seek immediate medical help for an erection lasting more than four hours. Stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. Ask your doctor about viagra single packs. Oh, its actually. Sfx short balloon squeal its ver. 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Stahl a federal judge in missouri heard arguments this past week in a case involving one of the most popular bolt action rifles in American History the remington 700 series. Heres the problem. Thousands of owners have complained that these rifles have fired without anyone squeezing the trigger. The company has downplayed the danger for decades, and the complaints represent only a fraction of the rifles out there. But ten attorneys general wrote the court saying, there are potentially as many as 7. 5 million defective rifles at issue, and that, remington knows, or should know, they are unreasonably dangerous. One avid hunter and gunlover is on a mission to raise awareness about what he calls the rifles defect. And he has good reason. Roger stringer i have become so accustomed to unpleasant thoughts and hardship, till that has become my new normal. Stahl one of Roger Stringers sons is dead; the other went to prison. Roger stringer pain is my constant companion. Stahl family photos of better days show dad and sons hunting. Roger, a powerline construction foreman from enon, mississippi, owned a remington model 700 rifle, and he bought another one for his older, then 12yearold son, zac. Roger stringer we loved the one that i had and he was old enough and mature enough. Stahl and how much was the safety stressed . Roger stringer paramount. Stahl but one night in 2011, the two boys, zac and justin, home alone, got into a fight. Zac, then 15, got his remington 700. Zac stringer and i loaded it. I loaded it with the purpose of scaring him. Stahl you knew you werent supposed to load the gun in the house. Zac stringer yes, maam, i had been i had been taught better. Stahl he says eventually emotions calmed down. Zac stringer and i started to stand up off of the couch and when i when i bent at the waist and started up, i heard a click. And it went off. And i remember the fire leapin from the barrel. I remember seein it hit. It was half his head was gone. Stahl panicking, he says, he went and got justins gun and placed it between his brothers legs to make it appear as though he had shot himself. Then zac called his parents. Roger stringer and zac met me outside and he said, daddy, dont go in there. And i just pushed him aside and i came on in. And it was really obvious that crying stahl it was right here, too. Roger stringer he was right there. Stahl detectives suspected right away that this wasnt selfinflicted. Zac was arrested the day of justins funeral, and later confessed that it was his gun, but he insisted it went off by itself. Zac stringer well, i didnt know how it had went off. Stahl did you deliberately kill your baby brother . Zac stringer no, maam. Stahl did you pull the trigger . Zac stringer no, maam. Stahl but zac was convicted and sent off to prison for ten years. Is it true that you actually testified against him at trial . Roger stringer i did. I did. Because id never heard of a gun goin off without a trigger bein pulled. It made no sense. Stahl what roger didnt know was that by then remington had gotten some 200 complaints claiming just that, about rifles like zacs, with a trigger mechanism called the xmark pro. Six months after justin was killed, another tragedy with the same trigger, this time in chadbourn, north carolina. 16yearold jasmine thar and her cousin jahmesha were about to go christmas shopping. Robert chaffin they were standing out in the front yard, with the grandmother sitting on the porch. Stahl robert chaffin, an attorney for jasmines family, made this animation a neighbor across the street in his bedroom picked up a loaded model 700. The safety was off. Chaffin and it fired through a closed window. And in what could be the most random act you ever heard of, the bullet traveled across the street and went through jahmeshas chest, barely missing her heart, and basically hit jasmine almost directly in the heart, and she died in her grandmothers front yard. Thats an inc