gymnastics scandal. >> for our special investigative edition of "dateline" on sunday night, bela and martha karolying their silence. they say they know nothing about the assaults that so many women say took place at their training facility. >> okay. yes. welcome back. >> reporter: for years, martha and bela karolyi have trained america's top gymnasts, with impressive results. now, the elite training ranch, located in huntsville, texas, is coming under scrutiny, following the alleged abuse of young gymnasts committed by the team's doctor, larry nassar. when you think of some of the biggest names in gymnastics and they say they were violated here, how does that sit with you? >> that's awful. but i would say, even if they had big names or they have no names, any child who was violated by nassar, it's a crime and it's so sad. >> reporter: in an exclusive interview airing this sunday on "dateline," the karolyis open up about the scandal that's rocked competitive gymnastics. i'll tell you what people say now. >> okay. >> reporter: how could they not have known? this was happening with gymnast after gymna

and for the first time, we will hear from the national team coordinators, bella and martha karolyi.or the first time. we visited them on the ranch. it's sunday, 7:00, 6:00 central on nbc. we'll have more tomorrow and friday on "today" as we dig deeply into this scandal. how did it happen and who is to blame? >> a lot of folks want to hear from the karolyis. a lot of folks are curious how they didn't know anything? >> and they've not spoken up until now. and the abuse happened at the karolyi ranch and other places. we get into those issues and more. >>> mr. roker, how about a forecast? >> it's been chilly and continues such for the month of april. today, 5 degrees below normal to 20 degrees below normal in the plains. 15 american and plains cities through today, the coldest april so far. and the below-average temperatures again today. minneapolis, 39. and as we move into tomorrow, the cold air spreads into the east, knoxville, pittsburgh. it finally warms up as we get into the weekend. richmond, 68 degrees. buffalo warming up to 52 degrees by sunday. >>> good morning, i'm meteorologi

some of the gymnasts describe the karolyi ranch, the national team training center, in bleak terms. >> we used to call it torture camp. >> reporter: marthayi says the training can be intense. a fair number of gymnasts have said that conditions here were emotionally abusive, verbally abusive. >> okay. verbally, not abusive. emotionally, it depends on the person. you have to be a strong person to be able to handle the pressure. >> reporter: the karolyis also deny any awareness of nassar's abuse. we will continue to follow that story. >> it's story that makes you so angry. like with every new revelation, you get angrier and angrier. >> when you look at the olympic teams and you look at the young women doing and performing at their best and you know they also had to deal and contend with that, with abuse. i mean, it's just shocking. and the reason that gymnasts still talk about it is because they want to see accountability. they want to see change. >>> let's switch gears and check on the weather with mr. roker. what are we looking at, buddy? >> the system that i was talking about earlier that will be coming up the coast, wednesday and thursd

the karolyis, bella and martha, olympic gold medallist, mckayla maroney, the sexual abuse by larry nassaronight 7:00, 6:00 eastern. always that's all for today. we'll be back next week. if it's sunday, it's "meet the press." >> announcer: you can see more "end game" and post game on the mtp facebook page. more end game ancestrydna has 5x more detail than other tests... more end game ...and it's now on sale for just $59. ancestry it can lead you on an unexpec ted journey... ...to discover your heritage. get ancestrydna for just $59. the lowest price of the year. and it's also a story mail aabout people and while we make more e-commerce deliveries to homes than anyone else in the country, we never forget... that your business is our business the united states postal service. priority: you t, ♪ ♪ i want some more of it. ♪ i try so hard, ♪ i can't rise above it ♪ don't know what it is 'bout that little gal's lovin'. ♪ ♪ but i like it, i love it, ♪ i want some more of it ♪ we know you love it, so get more of it, with applebee's new bigger bolder grill combos. now that's eatin' good in the neig

. >> martha: new interview that is shedding a lot of light and raising a lot of the new questions about the larry naszar abuse. the karolyily speak out about what was going on at their ranch. there is shocking and disturbing new details with what was happening about dr. naszar. we'll hear from the olympics teammates. jordan weaver her take on this. and there is a details of the bombshell story, trace. >> they first made a name for themselves in 1976 olympics. and they defected to the u.s. and built a bigger gym nachltic's powerhouse and wining 97 world championships and bella and marta. strict routine and exacting stand arounds and now facing two lawsuits filed by the former gymanist of hitting and scratching athlete and with holding food and water and making comments about their weight. they deny the abuse but admit there is a price to pay for protection. >> emotionally, it depends on the person. you have to be a strong person to handle the pressure. maybe you say you are overweight. but in order to be a good gymanist you have to have the right strength and weight. >> but the form are jichlanist said the karolyis didn't