housing allowance of nearly $2,200 a month to directly -- the company's ceo was at today's hearing, one of several housing executives grilled by senators. >> we let down our residents. i'm sorry and we're going to fix it. >> reporter: shannon raszadin, a navy wife, collected complaints from more than 7,000 tenants across facebook. >> they shared stories of black mold, of lead paint, of rats, roaches, bats. >> reporter: she said many service members don't have any recourse. >> they don't have the opportunity to withhold a rent check. they don't have the luxury of going to look at housing before they move. >> reporter: now back in 2016, the defense department's own

inspector general cited pervasive health and safety concerns at military housing facilities. defense department spokeswoman tells cbs news they are reviewing those conditions and the procedures. jeff? >> jan confirms two americans were among five people killed in a plane crash there today. the cessna clipped the tree as the pilot tried to make an emergency landing in the great lift valley. tomorrow morks one year since 14 students and three staff members were killed at marjory stoneman douglas high in parkland, florida. students and family will gather at 2:21 p.m. and the city will pause for a moment of silence, reflecting an event that change the national conversation and so many lives. >> shots fired at stoneman douglas high school. >> reporter: one year ago tomorrow -- >> there are people. they're all bleeding. they're going to die. >> reporter: manuel oliver lost his best friend, jon. >> i don't have my son with me.

he's not coming back. period. he's gone. he's dead. so what are our options in here. >> reporter: oliver told us he no longer wants his late son to be considered a victim but an activist. so manuel paints and shares graphic murals. >> this is what i feel. this kid is stronger than ever. >> reporter: this one with a broken heart and bullet holes. >> the sound of hammering this sounds just like a shot. >> reporter: he also formed a foundation to address mass shootings in america. >> you don't want people to feel sorry? >> about me? no. i want people to feel sorry that they're not doing anything. you can feel sorry about me. i get it. fine. but i'm still here. i feel sad, yes, and by the way, when i say you, i'm talking about you. >> okay. >> because you have a fear that i don't have. because you have kids. and every time you put yourself in our situation, you think

about it and it's affecting you. i can tell you -- i can tell right now the way you're reacting to my comments. >> in lockdown drills, you know. >> see, that's exactly what i mean. but i don't have that fear. i already went through that. >> a barrier on the southern border may have -- >> reporter: last week manuel oliver interrupted a capitol hill hearing on universal background checks when one congressman advocated for building a wall instead. oliver showed us this letter, which he says his son wrote for a class assignment five years before he died pleading for background checks. >> maybe you're fond of having crazy people with death machines. you shouldn't have anything against background checks if you're innocent. it's dated 2/12/13. so joaquin was 12 years old. >> he was 12? >> isn't that amazing? >> it is. >> my son was fighting for this

way before me, the kids from parkland, and he had it very clear. >> we should note since the parkland shooting, 66 laws restricting gun access have been passed in 26 states and d.c. we'll have more from parkland tomorrow. coming up next, a racist yearbook photo prompts schools across the country to dig through their own histories. you still stressed about buying our first house, sweetie?

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are you ready for the challenge? get started at metamucil dot com. the governor of virginia today postponed an event celebrating black history month following fallout from a racist medical school yearbook photo. that scandal has prompted schools across the country to flip through their own history. >> here is blackface minstrelsy 1921. they even do blackface with jefferson. i wouldn't be surprised if he's wearing a black skirt.

>> reporter: history professor kirt van dark is uncovering countlessingses of blackface and other mockery of minorities. from fraternity parties to demeaning caricatures, it takes various forms. yet one image he cannot get out of his mind is this mock living from a fraternity page in a yearbook published in 1971. >> you have a white person who has been done up in blackface who has a noose around his neck and is hanging from a tree. this is a horrifying image. i can't imagine why anyone would ever want to put this in a yearbook. >> reporter: he co-chairs the school's commission on segregation, part of an expanding campus effort to confront and own the school's past. >> one sentiment we hear from those accused of this or attending these types of events is that it's just a joke. >> well -- >> what do you say to that? >> to white supremacists, it's a joke. >> reporter: even the title of the yearbook is steeped in

racism, he says. it's a reference to burned cork used to blacken faces and curly wigs used in minstrel shows. in the wake of virginia governor ralph northam's yearbook controversy, several -- recently completed reviews of their yeerks revealing yet more blackface and students cloaked in ku klux klan robes. students like komi appreciate schools owning their past but says more needs to be done. >> i think the first step is to have a conversation, and talk about race. >> reporter: uva says this review begins dialogue to start the healing. erroll barnett, cbs news, charlottesville, virginia. still ahead here tonight, it was supposed to last 90 days. it went more than 5,000.

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. nasa engineers gathered today in california for an emotional event, marking the end of one of its most successful and surprising missions. here is tony dokoupil. >> reporter: the little rover known as "opportunity" lived up to its name from day one. in 2004, it landed in the middle of what it was looking for, a crater with evidence of water.

one tantalizing sign that the red planet might once have supported life. and instead of surviving a mere 90 days, "opportunity" somehow chugged along for nearly 15 years. cruising a record 28 miles before a dust storm stopped it last june. ♪ i'll be seeing you >> reporter: tuesday night after eight months of silence, scientists at nasa's jet propulsion laboratory tried one last wakeup song, billie holiday's "i'll be seeing you." they got no reply. >> you developed a special bond and they become your children. even though it's a machine and we're saying good-bye, it's still very hard and very poignant. >> reporter: but fear not. "opportunity" is survived by a younger sibling, "curiosity," to keep the mission alive.

from earth, tony dokoupil, cbs news.

we end here tonight with a young athlete who has a drive like no other. here is jamie yuccas. >> are you amy? >> yes. >> give me a hug. i'm gary. nice to meet you. >> reporter: it was supposed to be a simple gesture. pga stars gary woodland and matt kuchar providing a special day for a special athlete. but then amy bockerstette, hit a steady tee shot. golf is her passion. amy is the first with down syndrome in the nation to earn a full agent stick scholarship and now plays on the paradise valley

college golf team. >> what's the best part of golf? >> everything. yeah, baby. >> reporter: she not only performs on the green -- ♪ ♪ >> reporter: but also on the piano. and especially on the dance floor. >> yeah. >> we're happy that she's in the moment and she's able to participate. that's what matters. >> reporter: so that tee shot amy hit, plopped in the sand. >> it was a moment where gary woodland offered to take the ball out of the sand trap. she would have nothing of it. >> i got this. >> i love it. >> you can do this. you can do was >> why don't you go ahead and make that? >> okay. i got this. >> yes!

>> that is so awesome! >> is there one thing that as parents you hope people take away from watching the video? >> people with down syndrome have value and they bring joy. the response that we've gotten from parents of people with disabilities has been very touching because i feel like we're doing this for them, too. >> could you believe it? >> yes. >> had you dreamed about that moment? >> yeah. >> do you want more of those moments? >> yes. >> reporter: jamie you knuccas, news, phoenix. >> that is the "overnight news" for this thursday. for some of you, the news continues. for others, check back later for "the morning news" and "cbs this morning." from the broadcast center in new york city, i'm jeff glor.

this is the "cbs overnight news." welcome to the "overnight news." i'm nikki battiste. a worldwide hunt is on for a former air force counterintelligence agent charged with spying for iran. monica witt defected five years ago, bringing with her top-secret information including names of undercover agents. david martin begins our coverage. >> reporter: for 11 years, monica witt used there top-secret clearance to spy on iran. but she quit in 2010 and latering according to assistant attorney general john demers, told the iranians all about her secret work. >> what we've alleged is that what she provided them was the

identity, names of a secret intelligence program of the u.s. government as well as the identities of an intelligence officer. >> reporter: she first made contact with the iranians while attending an anti-american conference in tehran. after witt returned to the u.s., she started texting with a go-between. a person holding dual u.s.-iranian citizenship who was assessing her potential as a spy. in one text, witt told the go-between she might do like snowden, an apparent reference to edward snowden, the one-time contractor for the national security agency who leaked troves of top-secret documents. then she defected to iran. >> she appears to have switched her allegiance to thinking that the united states, where she was born and raised and worked, was, you know, not where her allegiance was anymore. >> reporter: witt helped the iranians create so-called target packages on the american intelligence officer who had run

the secret program along with several others she knew. >> a target package in intelligence community parlance is basically a plan to neutralize one of our intelligence agents. >> reporter: iran attempted to hack into the officers' computers and plant malware that would allow them to record every keystroke on their keyboards. none of the american intelligence officers the iranians targeted are known to have suffered any harm. as for witt, she is believed to still be in iran and beyond the reach of u.s. law. on capitol hill, the senate armed services committee began an investigation into the squalid living conditions on some military bases. 200,000 homes on these bases are maintained by private contractors and a lot of them are riddled with mold, lead pant, rats and termites. jan crawford has the story. >> reporter: senators were

outraged to hear the testimony about conditions in some of the 200,000 homes on military bases that are managed by private contractors. marine spouse crystal cornwall spoke of issues she had at camp pendleton and other families experienced at camp lejeune. >> i have felt the helplessness of a fellow marine corps spouse as she held her new baby and sobbed while we stood under a collapsing moldy ceiling in her home at camp lejeune. >> reporter: cornwall helped organize a facebook group that now has nearly 2,000 members who have shared their horror stories. >> those are termites. >> reporter: airman josh sanden and his wife lacy have lived in this house at fort meade in maryland for over two years. >> we started noticing issues from almost the very beginning. >> reporter: appliances started breaking. siding on their 8-year-old house was warped. >> you can see all along this wall. >> reporter: and they suspected mold growing on the floor and walls was affecting their

children's health. the sandens' rent is covered by the air force which pays a basic housing allowance of nearly $2,200 to contractor. the company's ceo was at today's hearing. one of several housing company executive grilled by senators. >> we let down some of our residents. i am sorry and we are going to fix it. >> reporter: shannon raszadin, a navy wife, collected complaints from more than 7,000 tenants across the nation through her group the military family advisory network. >> they've shared stories of black mold, of lead paint, of rats, roaches, bats. >> reporter: she said many service members don't have any recourse. >> they don't have the opportunity to withhold a rent check. they don't have the luxury of going to look at housing before they move. >> reporter: now back in 2016, the defense department's own inspector general cited pervasive health and safety concerns at military housing facilities.

a defense department spokeswoman tells cbs news they are reviewing those conditions and the procedures. in syria, u.s.-backed forces continue to close the noose around the last town under the control of the islamic state. many isis gunmen have vowed to fight to the death, but a lot of women and children are getting out before the final assault. charlie d'agata is on the front line. >> reporter: u.s.-led forces here say they are advancing today against the last remnants of isis militants backed up by american air strikes and artillery. and by the hour those isis fighters are losing one of their last lines of defense, human shields. they've been pouring out of the last isis-held village in numbers no one here had expected. the women and children, so very many children, sons and daughters of isis members who are long gone, still fighting or already dead. hala mohammad's husband was

killed in an air strike, leaving for her to care for five children on her own. >> what does it mean to you to see the end of isis? >> translator: they mean nothing to me. they're trash. >> reporter: they may have stayed with isis until the very end, but the families here say it wasn't out of choice. they were forced to become human shields. but the more families that come flooding out of that village, the easier it is for u.s.-led ground troops to move in. there are estimated to be around 500 to 600 isis fighters left and top official leader says there is no escape. >> at some point when it becomes unwinnable for isis, are you expecting that they may surrender or are you predicting a fight to the death? >> translator: we know that most of the fighters inside are the toughest left. and they may be looking for an escape route, but the only option is to surrender or die. >> reporter: families here told us there aren't many civilians

left. the latest to flee from isis may be among the last. now, the roughly 2,000 american forces who are here have been a vital part of this fight. now the kurdish-led soldiers won't allow us to film them, but we've seen them everywhere from front line fighting to screening isis suspects who are trying to sneak out with those civilians. the "cbs overnight news" will be right back.

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this is the "cbs overnight news." mexican drug kingpin joaquin "el chapo" guzman faces life in prison when he's sentenced in june. his trial drew attention to the lavish lifestyle ostapenko cane trafficking -- el chapo isn't the only cartel leader fond of animals the late colombian drug kingpin pablo escobar had an even bigger zoo and some of his h hippos are still roaming the ci threatens the ecosystem and possibly a way of life. >> there are fishing villages

that dot the river and we've just spotted what appears to be a hippo who is now trying to hide from us. there it is. there it is. wow. >> reporter: a brief glimpse of a giant, native only to africa, now running wild in colombia. the story of the hippo starts here, the former estate of pablo escobar who in his heyday had four hippos smuggled here for his private zoo. escobar's ranch housed hundreds of exotic animals, including rinos, elephants and giraffes. by the '80s, his cocaine empire made him the wealthiest and most feared drug lord in the world. it was a reign of terror. he's said to be responsible for 7,000 deaths. still, he's become part of popular culture with shows like netflix's "narcos." in this scene, escobar's

character threatens to throw a rival leader to the hippos. around the time, escobar met his death in the early '90s, the government relocated most of the animals but not the hippos. people forgot the hippos? >> people forgot the hippos. >> so the hippos were then just allowed to roam free. >> yeah. >> they had offspring. >> reporter: biologist david agency in charge of tracking and managing the hippos in the region. >> and how many are there now? >> about 50 hippos or more. >> or more? that you know of, there are 50. but clearly you're not going to be able to see them all. >> yes, look around. there is a huge area. and that's a paradise for the hippos. >> reporter: paradise because they have no predators and ample food and water. but they're getting too close to people. it's not uncommon to spot a 3,000-pound hippo walking around town.

locals call them the village pests and he says they're anything but. >> the hippos are very dangerous. they are a territorial species. >> so they will attack people? >> yes, yes. >> reporter: in africa, hippos cause more human death than any other large animal. so far there are no known attacks in colombia. the majority of the hippos still live inside escobar's former estate, which was turned into a theme park back in 2007. [ speaking spanish ] >> he's saying we're getting as close as we can to these hippos at the main lake here. we have to be careful. a bit of a crash course in how to get close to these creatures. not to get too close, of course. they may come out of the water to let us know we're on their territory. if they charge, run in a zig-zag motion because they can only run

in a straight line. there they are. they're letting us know that they know we're here. you can see all of those phippo behind us here. now the problem is they can't keep them contained. others have been able to get out and that's how they're turning up in other areas. [ speaking spanish ] >> so you feed them to try to keep them here? martinez runs the theme park. here the hippos are a main attraction. >> what we're seeing here is the only pack of hippos in the wild outside of africa. [ speaking spanish ] >> it's more common to see a hippo here than a pig. >> reporter: there is concern the hippos have already started manatee, andnative wildlife, keep getting too close for comfort.

[ speaking spanish ] >> so, a male hippo under your boat -- [ speaking spanish ] >> reporter: in the past year, fisherman pablo has come across five hippos that have ventured outside the theme park. so it's like a dog. as long as you know how to deal with them, you'll be okay. but he fears within an ever-growing hippo population, it's only a matter of time until someone gets hurt. and killing the animals has proven highly unpopular. >> we can't just kill the hippos. and the other solution is relocate the hippos. sterilizing hippos. >> sterilizing. that would be very difficult. >> yes. >> and it's expensive, too. >> eve very dangerous. >> reporter: budget with limited funds it's a solution unlikely to stem the tide on a legacy that just keeps resurfacing.

manuel bojorquez, colombia. the aircraft carrier "uss hornet" was sent to the bottom of the sea during the world war ii battle. 140 sailors died that day and the ship was never seen again until now. mark phillips has the story of discovery. >> aye yai yai yai yai. >> reporter: rob kraft, shipwreck hunter, he may have found something. >> you know, you just hate to throw it out there on the table. >> reporter: he's aboard the research vessel "petrel" hundreds of miles from anywhere in the south pacific, searching for an american war grave that has been lost for 77 years. >> here we go. >> reporter: his tools, the latest technology, an underwater drone that scans the ocean floor 3 1/2 miles down. >> enemy planes scored several hits on the "hornet." >> reporter: the "uss hornet" was an aircraft carrier involved in the crucial 1942 battle for the canal.

it would be her last battle. 140 of her crew were killed that day. the rest were ordered to abandon ship before she went down. but where exactly? >> this is needle in a haystack country is what you're talking about? >> yeah, absolutely. >> reporter: rob and the crew have to guess where to search using the rough positions reported by other ships at the time. >> start bringing it in nice and slow. >> reporter: the drone resurfaces. its hours of recorded images show mile after mile of empty seabed until -- >> up on the top left. what does that look like? >> reporter: that looks suspiciously like a ship. to find out if it's the ship, they launch another tool, a remote controlled sub with live cameras. it dives7,et down through a dark strange world where a ghost ship emerges. >> this is it. this is "hornet."

>> this is "hornet." >> this is "hornet." >> well done. >> the actual fact that you can find these ships is mined boggling to me. >> richard was an 18-year-old gunner on the "hornet" that day. he's 95 now. we set up a video link from the ship to california so he could see the "hornet" again. even the gun he was on. >> does it seem like a familiar place? >> yes, it does. i used to stand on the right side of that gun. if you go down to my locker, there's 40 bucks in it. you can have it. >> reporter: silent guns, the hangar deck, discarded clothing, a wash kit. testaments to those who had fought and died here. >> there were a lot of them. and young guys. you realize that you can be a dead person, you know? i want to thank you for honoring me this way. >> reporter: but it is those who found the "hornet" who are

honored and a memorial, a lost grave now has a

♪ introducing new degree stay fresh. ultimate freshness... ...in new scents you'll love new degree stay fresh with motionsense. degree, it won't let you down. it's valentine's day and if your sweetheart is bored with roses and candy and diamonds, who gets tired of diamonds? you may want to consider rubies. serena altual has the story of

the pricey red gems. >> reporter: diamonds may be a girl's best friend but rubies can be the real rock stars. >> 12 million. 1 12.5 million. 23 million. >> ladies and gentlemen, the new world-record price for a ruby, 25 million franks. sold. >> reporter: that's $30.3 million u.s. for this 25.5 carat stone, the sunrise ruby. >> if you look at a top quality, gem quality ruby versus a top quality of a diamond, let's say they're 5 carats each. the ruby is going to be much rarer and much more expensive than that top quality diamond. because they're much harder to find. they're much more limited resources. >> reporter: daphne is the head of jewelry for christie's auction house in the u.s. >> an exceptional ruby does not come along very often. >> so we have to wait?

>> we have to wait. >> reporter: but they are certainly worth waiting for. rubies aren't found just anywhere. the most prized stones have historically come from burma. now called myanmar. >> some of the areas where you can find them are so remote and that adds to the mystique of a fine quality ruby. >> may i? >> yeah. >> reporter: brenda marteaches the gemological institute of america. the authority when it comes to authenticating gemstones. >> nature created this.it'sure. who doesn't want a little treasure from the earth? >> reporter: gee logically speaker, rubies and sapphires come from the same family. but the ruby's rich, red glow comes from the element chromium. tucson, arizona has one of the largest gem trade shows in the

country. >> ruby is just this exquisite red stone. once you see it, you'll love it. >> reporter: gem dealer bill larson is also known as burma bill. >> you want pure red. that would be pigeon blood. >> reporter: that's right, pigeon blood is known in the industry as the holy grail of reds. >> you don't have to slaughter a pigeon. the eye has a transparent membrane and the color is fresh blood. that's the color. >> reporter: a ruby is not only suited for valentine's day, it's also the traditional 40th anniversary gift. ♪ i'll be loving you always >> reporter: case in point, one of our most celebrated american songwriters, irving berlin, purchased a ruby for his wife ellen for their 40th anniversary back in 1966. christie's sold the 4.5 carat berlin ruby for over $1 million last year. >> it's evocative of romance and i think it's sort of the best

sort of stone for that anniversary.

we end this half hour with the echos of war from decades past and a man who has dedicated his life to honoring strangers who sacrificed theirs. here again is mark phillips. >> reporter: in a city park in england, tony folds, 82 now, personally tends the memorial for ten u.s. airmen who died here in 1944. >> everything's going to be fine now. >> reporter: tony thinks the crew of the mi amigo, average age 22, died because of him. >> because it's me that killed them. >> how? why do you say that? >> because if i hadn't been on the park, they could have landed on the park. >> reporter: the park is in the city of sheffield where an 8-year-old tony was playing with his friends as the damaged

bomber approached. >> it was full of holes. some of the holes are really big shell holes. >> reporter: the mi amigo had been badly shot up on a bombing raid against a germany plane. more than 40 didn't make it back that day. mi diss amigo almost did. it apparently was trying to land on the field where tony and his friends were standing and watching. >> we saw this figure going like that. >> somebody waving to you from the plane? >> we thought they were just waving. >> reporter: tony's now convinced the wave meant something else. >> actually, they were telling us to get out of the way. >> reporter: with the kids in the field, the pilot veered away. mi amigo never made it over the surrounding trees. the memorial now stands where the plane went down and tony comes by almost every day. >> this is my life now, literally, you know? i just come down here because

i've got nothing else but these. >> reporter: the pilot of mi diss amigo was john. his nephew, who lives in chicago, was named after him. >> we're all very touched by his devotion and his remembrance of this, but i think he's as much a victim of this as my uncle and the air crew were. >> reporter: tony folds' private vigil is about to become public with an air force fly pass on the 75th anniversary of the crash next month. tony, as usual, will be there. mark phillips, cbs news, sheffield, england. >> a touching story. that's the "overnight news" for this thursday. 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 in new york city, i'm nikki battiste.

♪ it's thursday, february 14th. 2019. this is the "cbs morning news." paul manafort's bombshell. a judge says he lied to investigators in the russia probe breaching his plea deal. congress food is ready to pass a bill to avoid another shutdown. the president has not yet said he would sign it. and today marks one year since the deadly school shooting in parkland, florida. the movement that was launched in the aftermath and the survivors that