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>> reporter: hal downes was a radar operator in the back of an air force bomber which went down on a mission over north korea. the pilot and navigator were able to bail out. >> what did they tell you about what they thought had happened to your father? >> they had no idea. >> was either of them able to witness the crash? >> the navigator said the plane went down over and finally crashed over a hill, and he heard the ammunition going off. that's all. that's all we know. >> reporter: two years ago, rick through to pyongyang to press for the return of not just his father's remains but those of the 5,300 american servicemen still missing in action in north korea. >> are you out to give your father a proper burial, do a son's duty? >> i got the son's duty already when i got to go to north korea. we flew in over where we think my dad's plane went down. >> reporter: this is him with a snapshot of his father as he flew over the site. >> that was all there. the hills that the navigator

said the plane went down, there they were. it's the closest i've been to him, proximity-wise, since i was 3. and never forget that. >> reporter: now he is coming close again. this time with a promise by kim jong-un to president trump to return remains from the war. >> you have to really watch your heart here because this all could just fizzle. this could be nothing. it could be everything. >> reporter: whether hal downes ever receives a proper burial is in the hands of the north koreans. but when you visit the national mall, you will find his image etched into the stone of the korean war memorial. the face of the missing. david martin, cbs news, portsmouth, new hampshire. president trump tweeted today the u.s. will impose large sanctions on turkey for detaining an american christian pastor. that would be unprecedented action against a nato ally. andrew brunson is under house

arrest now. the government says he was involved in a failed coup attempt in 2016. he denies it. in his tweet, the president demanded that brunson be released immediately. turkey's foreign minister tweeted back, no one dictates turkey. coming up next, starting next week you can get this gun potentially just by pressing "print."

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beginning august 1st, americans will be able to download instructions for making guns on a 3-d printer. the firearms will be all plastic and untraceable. this follows a long legal battle between a texas gun designer and the u.s. state department. here's nikki battiste. >> they called it the liberator. >> reporter: this is the liberator. a 3-d printed gun. it's the design of 30-year-old cody wilson, founder of defense. >> anywhere there's a computer, there's a weapon. >> reporter: the plastic weapon is made with a 3-d printer, internet connection, and this free online guide. this one only fires once.

>> it only needs to be lethal once. i mean that's the idea, right? >> reporter: wilson's 3-d blueprints include ar-15s. the state department demanded wilson take down his blueprints five years ago. he complied but fired back with a lawsuit citing free speech rights. >> we said, no, we're americans. americans have the right to access this data unquestionably. >> reporter: after a legal battle, a settlement was recently reached. starting next wednesday, the state department will allow wilson to start posting his 3-d gun blueprints on his website. >> what i'm opposed to is technology unchecked. >> reporter: david chipman is a retired atf special agentho says 3-d printed guns present a real and present danger because they are unregulated and untraceable. >> we're basically, you know, handing the keys to the store to terrorists and armed criminals. >> reporter: gun hobbyist mike crumling says the threat of 3-d firearms is overblown. he designed his own 3-d guns. >> the printing process is not

dangerous. the testing process would be the most dangerous part about this. >> reporter: crumling says it could take up to 40 hours to print one 3-d firearm. >> the people who think that you can download and just print a firearm, it's possible, but it's not quite that simple. >> reporter: but chipman believes this technology will fall into the wrong hands. >> i guarantee you five, ten years from now, this is going to be a real threat to public safety. >> reporter: several gun control organizations are tonight seeking an emergency injunction to halt the publication of the blueprints. 3-d guns can already be made legally, but, jeff, they cannot be sold. >> no matter how you feel about this, i think it's going to get a lot more attention in the years ahead. nikki, thank you. still ahead tonight, why this drug-sniffing dog now has a price on its head. mother...nature!

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officials in greece said today there is evidence the wildfire that swept through a vacation area near athens this week was arson. new drone footage shows the scale of the devastation there. more than 80 people were killed. dozens are still missing. french police say they just missed capturing their most wanted fugitive. redoine faid, a career criminal, broke out of prison in spectacular fashion july 1st, flying out with accomplices in a hijacked helicopter. police believe they spotted him tuesday near paris but he sped away in a car later found in a parking garage. the car contained six containers of plastic explosives. faid was nowhere to be found. this may be a first. a colombian drug gang has put a $70,000 bounty on a police dog. sombra, or shadow, has sniffed out about ten tons of drugs in more than 300 operations. the german shepherd's work has led to 245 arrests. police have now transferred sombra to a safer post and given

him extra security. when you humble yourself under the mighty hand of god, in due time he will exalt you. hi, i'm joel osteen. i'm excited about being with you every week. i hope you'll tune in. you'll be inspired, you'll be encouraged. i'm looking forward to seeing you right here. you are fully loaded and completely equipped for the race that's been designed for you.

the winner gets the glory. the guy who comes in last is sometimes foregont, but not always. today we meet a young man who is turning a bad break into

something special. >> it was about halfway through the firststage. the rider in front of me i guess dropped a bottle. >> reporter: it was not how lawson craddock planned his return to the tour de france. >> hit the bottle and went shooting off the side of the road straight into a ditch. i hit a spectator on the way down and pretty much knew immediately did some damage. >> reporter: the 26-year-old texan fractured his scapula and needed nine stitches above his eye. some might have quit right there, but number 13 kept going. today after 18 stages, geraint thomas leads the 21-stage tour de france. lawson craddock is 3:46 behind, in last on the leaderboard, but off the charts somewhere else. craddock has set up a gofundme page to raise money for the cycling track back home where he got his start. he has raised more than $136,000 so far for a track that was badly damaged in hurricane harvey. >> that's just what texas is all

about really. i saw everyone supporting each other after harvey and, you know, that really touched me. >> reporter: craddock has the s chance to stop to give my dad ay as they make it out to be. so today the more pain craddock endures, the more opportunities he opens up. the more he falls back, the more he pushes others forward. >> if someone looks back in 20 years and says, oh, lawson, he's a great cyclist, i truly won't be proud of that. i don't want to be known as a great cyclist, you know. i want to do what i can in the position that i'm in to help out others and really spread the love of cycling. >> that is the "overnight news" for this friday. for some of you the news later

i'm jeff glor. >> announcer: this is the "cbs overnight news." welcome to the "overnight news." i'm meg oliver. the american west remains a powder keg. high winds, bone dry conditions and searing temperatures have sparked dozens of wildfires. most are blamed on lightning strikes or other natural causes. but in california, police arrested a man suspected of deliberately setting five fires that continue to burn out of control. jamie yuccas reports. >> reporter: firefighters spent a second day battling this, a burning behemoth of thick smoke and erratic to devour mountain resort communities 90 miles east of los angeles. crews launched an all-out assault in the air ground as the cranston fire

tripled in size overnight. several homes never stood a chance. >> that's our homes. what can we do? you know, it's devastating seeing everything go like this. >> what are your biggest concerns at this point? >> right now our biggest concerns are these temperatures. the temperature is going up. the humidity is dropping. that is just a recipe for disaster. >> reporter: authorities believe the blaze was deliberately set by 32-year-old brandon mcglover. he was arrested and charged with five counts of arson. the governor has declared a state of emergency here, and in northern california, where an out of control wildfire near the city of redding has quickly grown to 20,000 acres. meantime, a fast-moving brush fire near san francisco caught the town of clayton off guard. >> they were firefighters all around and they had to get out of the way. it was too >> reporter: more than 3,600 firefighters have bolstered containment lines around a wildfire near yosemite national park. the deadline has passed for the

trump administration to reunite immigrant families separated at the mexico border. there were some happy reunions, but hundreds of children may never see their parents again because they've already been deported. mireya villarreal reports. >> reporter: after crossing the border near el paso back in may, romela victoria isaula and her 13-year-old son, geronimo, were finally reunited after being separated for two months. he says, "i am so happy because i have her close." now they're heading to massachusetts, where they'll wait for a judge to decide whether they'll be granted asylum or sent back to honduras. geronimo is one of more than 1,800 children recently reunited with a parent or other family member. but there are still more than 700 separated. 463 of them have parents who may have already been deported. >> it's not entirely clear how the government is defining eligible and ineligible. >> reporter: john sandweg is a

former acting director of immigration customs enforcement. >> i'm worried we have 460 parents who have been deported to central america. there is a very high likelihood those parents are not going to see their children again. >> reporter: immigration attorneys say the government is making unilateral decision that includes a parent's health condition and possible criminal history with no oversight. >> there's a lot of concern that that standard is being inconsistently applied. parents are being arbitrarily denied access to their children. >> reporter: so for the hundreds of ineligible children, these shelters will continue to be their home while the government figures out its next move. many investors are licking their financial wounds this morning after facebook stock tanked. the internet giant lost nearly 20% of its value after warning that profits will likely plunge for the foreseeable future. nick thompson has details. >> reporter: the social media giant's stock plunged $120.9 billion by market close today. that's more than the entire value of starbucks, ups, and

goldman sachs. the last one-day drop that even comes close was in 2000, when intel lost $91 billion. the sell-off began during wednesday's earnings call when facebook's chief financial officer revealed that profits would continue to sink. ceo mark zuckerberg explained why. >> we're investing so much in security that it will significantly impact our profitability. >> from now on, facebook will do more to keep you safe and protect your privacy. >> reporter: facebook rolled out this ad in april, promising to address data misuse after admitting that political consulting firm cambridge analytica collected information from up to 87 million facebook users. >> stop apologizing and let's make the change. >> we should have handled a lot of things differently. >> reporter: facebook is also struggling with its promise to combat fake news. >> mueller covered up for a decade for epstein, kidnapping kids, flying them on sex planes. >> reporter: the company is under pressure to explain why info wars and other sites that promote conspiracy theories are

allowed to use the platform. and recently zuckerberg had to clarify controversial comments he made that appeared to defend the holocaust deniers, originally saying it's not right to take someone off the platform if they get things wrong. zuckerberg's personal wealth also took a hit. he lost around $16 billion. if that loss holds, he will slip from sixth to third in the billion air. the first sit of remains to be remains of u.s. soldiers killed in the korean war are on their way to the united states. not all the remains may turn out to be american or even human. but the possibility of bringing home u.s. soldiers killed abroad is very important to their family members even 60 years later. david martin has the story. >> reporter: rick downes was 3 years old when his father, hal, went off to the korean war. he's been missing ever since. >> i call it the wound that never heals. after a while, you get used to having it, and it finds a place within you, and you go on, and

you live life. >> reporter: he was too young to remember his father, so all he has is a home movie of a 26-year-old man with everything to live for. >> you just can't help but look at him and see that he had it together. he had what he wanted. he had the woman he wanted. he had the family he wanted. >> reporter: hal downes was a radar operator in the back of an air force bomber which went down on a mission over north korea. the pilot and navigator were able to bail out. what did they tell you about what they thought had happened to your father? >> they had no idea. >> was either of them able to witness the crash? >> the navigator said the plane went down over -- finally crashed over a hill, and he heard theitoing off. that's all. that's all we know. >> reporter: two years ago, rick flew to pyongyang to press for the return of not just his father's remains but those of the 5,300 american servicemen still missing in action in north korea. are you out to givefather

a proper burial, do a son's duty? >> i got the son's duty already when i got to go to north korea. we flew in over where we think my dad's plane went down. >> reporter: this is him with a snapshot of his father as he flew over the site. >> that was all there. the hills that the navigator said the plane went down, there they were. it's the closest i've been to him, proximity-wise, since i was 3. and you never forget that. >> reporter: now he is coming close again. this time with a promise by kim jong-un to president trump to return remains from the war. >> you have to really watch your heart here because this all could just fizzle. this could be nothing. it could be everything. >> reporter: whether hal downes ever receives a proper burial is in the hands of the north koreans. but when you visit the national mall, you will find his image koarmerial. the stone of the

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>> announcer: this is the "cbs overnight news." scientists report a remarkable discovery on mars. a huge lake of salty water has been detected deep beneath the surface of the red planet. and where there is water, there could be life. chip reid has a look. >> reporter: it's hard to imagine a lake on the desolate planet of mars. but a group of italian scientists claims it's true. a groundbreaking discovery in the search for life on the red planet. even science fiction's martian didn't find a lake.

>> i colonized mars. >> reporter: but the water is a bit chilly. mars, at fourth rock from the sun, is a lot colder than earth, and the suspected lake is near the frigid martian south pole sign tiefts claim they discovered it by hitting the area repeatedly with radar, revealing what they say is a body of liquid water 12 miles wide, about one mile under the surface. so there really is a possibility that there is a big 12-mile lake on mars? >> yeah. >> reporter: dr. james zim beman, a geologist with the smithsonian air and space museum says where there's water, there could be life. >> are we talking about whales and dolphinshere no. wouldhe gates microbe. >> reporter: last month the same italian space agency that made this discovery released the first ever 3-d color video of mars' frigid surface. but below the surface, it's even colder.

so how could there be liquid water? the italian scientists say the lake is so salty that the water is like sludge, making the temperature where water freezes much lower than that of ordinary water. the search for life on mars is very much alive. behind me are the first three generations of mars rovers. the fourth generation is expected to be launched in two years. a key part of its mission, to find the chemical fingerprints of life. a woman in colorado is battling her late husband's insurance company after it decided to cut his worker compensation payments in half. they claim he had marijuana in his system when he passed away. adam lee died in december while working at a ski mountain. colorado is one of nine states and the district of columbia, that allows recreational marijuana use. but as barry petersen shows us, the insurance company says the law is on its side. >> they wanted to make sure i get to work safely. >> reporter: erica lee say last cl she had

husband, adam, was just like any other. >> two minutes later i felt something rip out of my stomach, and i couldn't understand why he couldn't even stand up. >> that was the moment you think that he died? >> yeah. >> and you felt it? >> i did feel it, yes. >> reporter: the 40-year-old father of three got caught underneath a conveyor belt at the colorado ski resort where he worked as a lift mechanic and died from chest injuries. >> i go to work one day, and he goes to work one day. all of a sudden, he doesn't come home. >> reporter: in may, erica learned she'd receive $800 a month for adam's workman's compensation, about half of what she expected. pinnacle assurance, the workers comp insurance company, reduced the payments because adam had marijuana in his system when he died. how far does that go when you're raising three kids? >> i think $800 would be close to covering maybe gas and food, maybe not even that. >> reporter: even though marijuana is legal in colorado, it's still a controlled substance that insurance companies can take into

consideration under colorado statute. the statute was in effect long before colorado legalized rijuana for recreational use, and this notice is placed at the state. it says clearly, if the injury results from your use of alcohol or controlled substances, your workers' compensation disability benefits may be reduced by one-half. a medical expert, who reviewed adam's coroner's report, told cbs news adam's marijuana levels suggest he was a chronic user but do not indicate when he used marijuana last. karen steinhauser is a criminal defense attorney who is not directly linked to this case. she says unlike alcohol, testing for marijuana is a unique challenge. >> marijuana is difficult in and of itself because it is a controlled substance that, unlike some others, can stay in the system for 45 to 90 days at a time.

>> so really and truly, you just don't know from an autopsy when a person had used the marijuana? >> you have no idea. >> reporter: in a statement, pinnacle assurance told cbs news, we understand the disappointment when survivors aren't granted full benefits. the company went on to cite colorado's statute about cutting benefits when alcohol or controlled substances are found in the bloodstream. to the best of your knowledge, did he ever use marijuana while he was on the job? >> not that i know of, no. >> reporter: next month, erica will bring her case against pinnacol to an administrative judge, hoping they will up her payment another $800 a month. >> they're choosing to put me through this day after day. they're fighting me over $800 a month, which to them is nothing, but to me raising three kids on month, which to them is nothing, but to me raising three kids on a teacher's

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facebook rocked the financial markets when it announced profit margins will plummet for years due to the cost of protecting users' privacy. 50 years ago at the dawn of the coag online privacy wasn't a concern. the issue then was making computer chips faster and cheaper, and it worked. david pogue has the story of the birth of intel. >> reporter: in many ways, 1968 is famous for its tragedies,

assassinations, conflicts, and war. but 1968 also gave birth to something amazing -- the era of fast, cheap, ubiquitous electronics. because 50 years ago this past week, two middle-aged engineers quit their jobs to start a new company called intel. >> in 1968, gordon moore dropped by bob noids house. bob was mowing the lawn. they were discussing the state of their current jobs as well as the possibility of a new industry. >> reporter: elizabeth jones is intel's archivist. she runs the intel museum in santa clara,and apparen b it's a good idea in. >> he did, and on july 18th, 1968, intel was incorporated. >> reporter: ahis previous semd

the circuit. a way to etch all the circuits onto a tiny slice of silicon. >> we have intel's first product, a memory chip called the 3101. >> before that, how did they make memory? >> thts this larger device on top called core memory. >> reporter: smaller also meant faster and easier to make. this plant near portland, oregon, one of intel's oldest, is what a chip factory looks like today. no tv crew has ever been allowed inside before. do you have this in a khaki? >> no, i'm sorry. >> reporter: isha evans, intel's chief strategy officer, showed me how to put on the so-called bunny suit. that's her on the left. i did take a thorough shower this morning. why was all this necessary? >> we want maximum purity as the material is being assembled. >> reporter: each shiny round sheet of silicon fits about 500 identical chips, which will be cut apart and installed into the

micro processors, the electronic brains that control just about everything in our lives with an on switch. each chip is etched with impossibly small channels of circuitry only ten mothillionthf an inch wide. is it some little switch watch maker with a magnifying glass? >> robots. >> how would you say the making of silicon chips has changed in 50 years? >> you know what? the basic principles and fundamentals haven't changed at all. just a lot more automation, a lot more complexity. and also more layers. >> i see. and that's to get more circuitry into less space? >> that's exactly right. >> reporter: getting more circuitry into less space is the whole point of moore's law. that's gordon moore's prediction way back in 1965 that we'd be able to double the amount of circuitry, meaning power and memory, that can be crammed onto a chip about every year and a half. he's basically been right for

all 50 years. >> now, you know that moore's law is not a law of physics. it's the result of tens of thousands, hundreds of thousands of people making ongoing improvements in reducing the width of these lines that are printed on the integrated circuits. >> reporter: john dor started working at intel in 1974. today as chairman of kleiner perkins. he's one of the world's most successful venture capitalists. >> someone once said if supplied to automobiles today, cars would cost a few pennies. they'd get thousands of miles per gallon, and we wouldn't even and get another one.rked them. t >> reporter: in the beginning, intel made computer memory, chips for storing information. but things really took off in 1971 when bob noyes invented micro processors, that is chips that could process information. and then -- >> with this tool for modern times --

>> reporter: ibm came along. >> ibm chose to base its personal computer on intel's architecture. >> and had ibm chosen some other company's chip -- >> intel probably wouldn't be here today. >> the makeup of the company started with the founders, and they said these simple words back 50 years ago. don't be encumbered by the past. go and do something wonderful. >> bob swan is intel's interim ceo. >> and there's another saying associated with this company, which is only the paranoid survive. >> we're always looking, always worried, always curious. who is doing something else? and if we're not worried about them, they will catch up to us. >> reporter: it hasn't all been smooth sailing. the company famously missed the boat on making the processors for smartphones like the iphone. then as pc sales began to slip, intel had to lay off thousands rsr the but today intel says it's

determined to be ready for whatever comes next. the company is investing in self-driving cars, artificial intelligence, and other futuristic tech. like drones. that's aneel's division. his team specializes in making elaborate automated flying light shows like this one at the winter olympics in south korea. >> what we're seeing is hundreds or thousands of this actual drone, right? >> this is the exact drone that flew at the olympics in pyeongchang. thers g else. it only has a light. >> reporter: a week ago in honor of intel's big birthday, his team set a guinness world record. over 2,000 drones flying simultaneously, forming these images in the night sky. and every single one of them contains a tiny rectangle of etched silicon like the ones

designed by bob noyce and gordon

finally this half hour, if you could, would you fly like a superhero? say superman or iron man. well an inventor in london has come up with an iron man-style suit. it will get you off the ground, but it doesn't come cheap. charlie d'agata has the story. >> reporter: it's not a sight you'd expect to see on the streets of london, but few are more blown away by the jet suit than the man who invented it, richard browning. >> there's that moment where you're off the ground and suddenly it's really quite liberating. it's almost like that dream most people seem to have around being able to just think somewhere and fly there. >> reporter: a military man who served with the royal marines, 39-year-old browning quit his day job as an oil trader, he says, just to see if he could do it. but at first, getting the invention off the ground wasn't easy. it can reach speeds of 32 miles

an hour and an altitude of 12,000 feet. anyone can fly it with training and insurance. it's made up of five mini jet engines, one on the back and two on each arm, which control direction. >> in a strange way, a bit like riding a bike. >> reporter: browning swears he didn't set out to copy the suit made famous in the iron man movies though admits there were some wonderful parallels. >> actually what the guys have done to think up that character and then do all the cgi around it was actually really quite accurate. >> reporter: now the dream of designing a jet suit is nothing new, but never before has it been so real. how real? you can actually buy this one if you've got a spare $450,000 rattling around in your pocket. that's right. on display right there at the selfridges department store alongside a virtual rty io works. >> oh, you have got to love heights. >> reporter: at the moment, it's just for fun. >> i'm not at all plicions and h

and rescueapions it turns out we do have some capability that they didn't think was possible. >> reporter: for now, the fuel pack limits the suit to only three or four minutes of flight. but as the engines become more efficient, the only direction this jet suit is headed is up. charlie d'agata, cbs news, london. and that's the "overnight news" for this friday. for some of you, the news continues. for others, check back with us a little later for the morning news and, of course, "cbs this morning." from the broadcast center? new york city, i'm meg oliver.

captioning funded by cbs it's friday, july 27th, 2018. this is the "cbs morning news." wall of flames. a wall of fire in northern california triples in size overanother and takes a deadly turn. >> this fire's like literally right here. it's like coming at us. north korea hands over what may be the remains of americans who fought in the korean war. and what did then presidential candidate donald