and the girl was his 34-year-old teacher, married mother of four mary kay letourneau. they're now telling their story exclusively to barbara walters as part of they are new series "american scandal" on investigation discovery. >> why did you decide to do it? i'm very pleased that you did, i'm pleased that you trupsed me. but why did you decide to do it? >> well it is our 10-year anniversary. we already know that no matter how protective we are, there's going to be a wave of intrusion that we can't stop. >> reporter: it was the story that captivated the country. the year, 1997. mary's life seemed picture perfect. handsome husband, four adorable children. but she's harboring an unthinkable secret about one of her students and she's about to cross the line. >> this 12-year-old boy says to you, mrs. letourneau would you ever have an affair? >> i thought to myself, do not look him in the eyes. stay very busy. it was very uncomfortable for me. >> and then? >> basically, he said that he was in love with me. >> mary what did you say? >> i said, can you hold that for a long, lo

. >>> and barbara walters with mary kay letourneau. now asking to be taken off the sex offender registry. married with children, with that same student all these years later. >>> good evening. as we come on the air tonight, 28 million americans bracing for severe weather. at least two dead the destruction coming for miles. and near i-39 in rochelle illinois. and this is fairdale illinois from above. you can see the path the twister took. and we have team coverage this evening. ginger zee with the storm track. but we begin with gio benitez in rochelle illinois. >> reporter: there were 15 tornadoes reported yesterday, almost all of them in illinois. from the ground, those images of what residents saw. tornadoes tearing through the town. the heaviest of vehicles not standing a chance. the 50-mile storm path ravaging illinois. a dozen people inside a restaurant rushing to the basement trapped as the storm went right through them. this is how bad, incredibly all 12 survived. this same storm system sending a school bus hydroplaning two days

. >>> and barbara walters with mary kay letourneau. now asking to be taken off the sex offender registry. married with children, with that same student all these years later. >>> good evening. as we come on the air tonight, 28 million americans bracing for severe weather. from texas, all the way up the east coast. all part of the same system with a deadly outbreak of tornadoes. at least two dead, the destruction coming for miles. one of those tornadoes, an ef-4. winds up to 200 miles per hour. and this tornado near i-39 in rochelle, illinois. and this is fairdale, illinois, the american flag among the ruins. so many homes destroyed. this is fairdale from above. you can see the path the twister took. and we have team coverage this evening. ginger zee with the new storm track. but we begin with gio benitez in rochelle, illinois. gio? >> reporter: good evening to you. here in rochelle, illinois, take a look. home after home completely destroyed. there were 15 tornadoes reported yesterday, almost all of them in illinois. from the air, the

and the "girl" was his 34-year-old teacher, married mother of four, mary kay letourneau. today, student and teacher are now husband and wife, living in the quiet suburbs of seattle. but tonight, they've emerged from their ordinarily private life, knowing full well that their anniversary is yet an other opportunity for a prying public to judge them. why did you decide to do it? i'm very pleased that you did. i'm pleased that you trusted me. but why did you decide to do it? >> well, it is our ten-year anniversary. and we already know that, no matter how protective we are, there's going to be a wave of intrusion that we can't stop. so it's about doing the most responsible thing to protect our girls for the inevitable. >> reporter: you'll meet their two girls, now teenagers, later. but first, we want to reacquaint you with the story that captured the country nearly two decades ago. an illicit love affair that became the scandal heard round the world. >> there was a hearing scheduled today for mary kay >> it was salacious, it was scandalous and it was completely shocking. >> r

we have an update for you on mary kay letourneau and the former students who is now her husband. >> we'll have those stories and much more on "action news" when we come right back. well, sir. after some serious consideration i'd like to put in my 15-year notice. you're quitting!? technically retiring, sir. with a little help from my state farm agent i plan to retire in 15 years. wow! you're totally blindsiding me here. who's gonna manage your accounts? this is a devastating blow i was not prepared for. well, i'm gonna finish packing my things. 15 years will really sneak up on you. jennifer with do your exit interview and adam made you a cake. red velvet. oh, thank you. i made this. take charge of your retirement. talk to a state farm agent today. . >> three students in denver are in custody after they brought guns and some kind of device to their middle school allegedly. police were called to the scene after some other students reported seeing the weapons. the school went into lockdown for 45 minutes. so far police have not said where the weapons were found or what a possible motive might

. >> and barbara walters interview with mary kay letourneau and then vili fualaau. >> reporter: mary kay letourneau and vili fualaau sit down with barbara walter and talk their lives and the teacher and student affair that was talked about for years. >> there is a story that has a life of its own. it is not our story. >> reporter: letourneau was arrested when she was 34 when she was having sex when he was only 12 years old. they now have two children and are surprisingly still together. >> vili you became a father when you were just 14 years old. >> i don't feel like i had the right support or the right help behind me. >> from your family? >> from anyone. my friends couldn't help me. they had no idea what it was like to be a parent. >> reporter: their children audrey and georgia are teenagers. older than their dad was when he got their mother pregnant. >> if one of your daughters came to you and said i'm sleeping with my teacher what would you say? >> what? i think it would be the same reaction that any parent would have. >> reporter: the family is still living in the seattle area. sh

. >> then, remember mary kay letourneau who fell for her 13-year-old student and then they married? >> what did you tell your children about how you met? >> now, they're sitting down with barbara walters and we're looking back at their i dos ten years ago. >> you can't please everyone. >> i now pronounce you husband and wife. >> also tonight, briteny and iggy go totally 80s. plus, a 9 to 5 reunion. jane fonda and lily tomlin. >> they wanted to do a sequel to 9 to 5. >> they being us. >> and the good wife getting it on. >> getting a little something something. >> now, "e.t.," herhe's oping alicia gets lucky. >> hi, everybody, thank you for joining us. kevin frazier is off tonight. we're wrapping up another big week for star news. >> we've got some more big headlines. here's tonight's top stories. scott eastwood's bravo bsbom.hell did his ex break up ashton and demi's marriage? >> he did sleep with one of my ex-girlfriends. she was my current girlfriend at the time. ere together? okay. how did you find out about that? >> well, it was -- i think the catalyst that -- >> that broke you u

. >>> and barbara walters with mary kay letourneau. now asking to be taken off the sex offender registry. married with children, with that same student all these years later.

mary kay letourneau and vili fualaau are sitting down with barbara walters to talk about what happened to them now. reporter: mary kay letourneau and vili fualaau sits down with barbara walters talking about their lives together and their teacher-student sex scandal that dominated headlines for years. >> there is this story that has a life of its own but it's not our story. reporter: letourneau was arrested in 1997 when she was 34 for having sex with vili fualaau who had gotten her pregnant when he was only 12 years old. she spent seven years in prison and they now have two children and are surprisingly still together. >> you became a father when you were 14 years old. >> i don't feel like i had the right support or the right help behind me. >> from your family? >> from anyone. i mean my friends couldn't help me. they had no idea what it was like to be a parent because we were all 14 15. reporter: their children audrey and georgeia are now teenagers older than when he got their mother pregnant. >> if your son came to you and said i'm sleeping with my teacher, what would you say? >> wha

. >>> and barbara walters with mary kay letourneau. asking to be taken off the sex offender registry. married with children, with that same student all these

autria: mary kay letourneau 18 years after she became child with the then 13-year-old student. letourneau served 7 1/2 years in prison and now she's celebrating 10 years of marriage with that student, vili fualaau. the couple sat down in an intern view with barbara walters. >> i don't know if enough time will ever pass where it will take away what the media did to our story. because it was so big and they ran with it so fast. there is a story of us that has a life of its own. but it's not our story. autria: you can catch the full interview tonight on abc 7. airs on "20/20" and stick around for abc 7 news at 11:00. it is a stormy start to your weekend. doug is back with the cooldown it will bring in the last check of autria: here is a sweet way to get in on the cherry blossom celebrations. tomorrow the dunkin donuts at 1210 g street is giving away free cherry blossom donuts only open to the first 100 people in the store between 2:00 and 4:00 p.m. cherry blossom parade starts off saturday at 10:00 a.m. at constitution avenue. first 100 people in the store. bet they're gone in fiv

. >>> and barbara walters with mary kay letourneau.ing to be taken off the sex offender registry. married with children, with that same student all these years later.

infamous school teacher mary kay letourneau and her family. >> if one of your daughters came to you

. >> then, remember mary kay letourneau who fell for her 13-year-old student and then they married?ell your children about how you met? >> now, they're sitting down with barbara walters and we're looking back at their i dos ten years ago. >> you can't please everyone. >> i now pronounce you husband and wife.

tonight, mary kay letourneau billy fa lau reveal how they've managed to stay together. >>> look ou

. >>> also on our "heat index" this morning, mary kay letourneau made shocking headlines almost 20 yearsild rape. she's now 53. he's 31, and on the eve of their tenth wedding anniversary, barbara walters sat down with them. i spoke with barbara about her exclusive interview airing top tonight on "20/20." >> barbara, this story continues to fascinate. >> well, when i mentioned to people that i was doing it, everybody seems to remember, oh, this is the schoolteacher who served 7 1/2 years because of her relationship with him and now they've got this big tenth wedding anniversary from the story that still shocks people. how could she do it? >> right, and they're still together. >> yeah. they're still together and have two teenage daughters. born when she was in prison serving prison for the child rape. >> and you reminded me of something that she went to prison not once but twice because they said, look, go to prison for a year but stay away from him. >> and she couldn't stay away, so then they said, okay, now you're going to serve your whole sentence, and people thought that this was -- i