>> three people come to me wearing suits and one of them tells me that he hadn't made it and i was like, no, he did. just go check. they come back and tell me, miss hall, he did not make it. [crying] >> two women racing down a texas highway. >> she saw me make a u-turn. >> bonnie, the mistress in one lane. >> i looked in my rearview mirror and it was francis. >> francis, the wife and the other. >> i gave her the middle finger. >> the middle finger? >> right. i start following her. i say what the hell. she breaks, and i break, and -- >> he's pronounced dead at the hospital. >> two women in love with one man, hating each other. >> you are getting text messages from bonnie of the two of them having sex. >> yes. >> a hollywood love story? >> this was the man i wanted to marry. >> or a fatal attraction. >> he goes i can't get rid of this person. >> and so many about to lose so much. >> why? >> i will live with that for the rest of my life. ♪ ♪ ♪ >> hello, and welcome to dateline. bill and francis hall were has school sweethearts agree family and a trucking business together. but they're seemingly picture perfect life collapsed after frances found out that bill had been hiding an affair from her for three years. it was a love triangle, and that revelation, it turned out, would have far-reaching and tragic consequences. here with collision is andrea canning. >> this is the story of two intense women battling for the heart of one much loved man. it's about sex, secrets, and lies. red hot texas passion and a bitter feud. all leading to a final show down on a two lane highway. ♪ ♪ ♪ >> bexar county, 9-1-1. >> i have a [inaudible] and a black range rover, they are [inaudible] >> a high-speed chase that went horribly, horribly wrong. >> it was a nightmare. >> when the dust settled, one life would be over. many others shattered. >> we all lost him. >> and the final chapter, passion would write that one too. ♪ ♪ ♪ san antonio, texas. home of the alamo, the river walk, and the whole family. three generations of truckers with deep roots in the city. it was here that bill hall met the love of his life at the tender age of 16. her name was frances. what happened the first time you laid eyes on bill? >> i just fell in love with him. i knew he was the man i was going to marry. >> at 16? >> at 16. >> they married right out of high school. a year later, daughter nikki was born. where your parents in love? >> oh, yes. we definitely saw love growing up in the house. >> that's my baby! >> what was your relationship like with your dad? >> not your typical father daughter relationship. like a best friend almost. i could tell dad anything. >> for years after nikki came justin. did he really want to son? >> oh my god. when they pulled the baby out of me, they said, mr. hall, you have a son. the man cried. >> he worked hard to give his family a better life. >> bill used to clean airplanes, he went to college and on the weekends, if he was off, he would go dig ditches. we made ends meet. >> but his true passion was big rigs. so one day he up and quit school, started his own business. bill hall jr. trucking. >> that's what his family did for a living. it's in their blood. >> bill got his first truck and went to work delivering topsoil, while frances hit the phones to drum up new business. >> he was a dreamer and he always said, i'm going to go big yeah. it's a hispanic term that says lady. >> after a few years, bill and frances turned that one trucked into a fleet of 130. at its height, their empire was valued at more than $50 million. all his dreaming paid off. >> and hard work. he put his life, his heart and soul into it. bill was bill hall jr. trucking. >> but for bill, it wasn't all work and no play. >> he was a daredevil. he loved racing in his later years, he loved hunting. he was a man's man. >> and also a bit of a ladies man, according to bill's cousin, hank. >> beautiful women, you work hard, you play hard, and you do things that you're not supposed to be doing. he was a great man but he was not the perfect man. >> builds imperfections became painfully clear nearly 32 years into their marriage when frances said she got a call from a mysterious woman. it was september 13th, 2013. friday the 13th. >> she goes, you don't know me but i'm having an affair with your husband. >> wow. >> i was in shock. >> heartbroken, furious. frances such she confronted bill and asked, was a true? >> by that time he was crying. and telling me that he's sorry, that it's true. i was devastated. >> this is three decades of marriage. >> and i finally asked him, how long has this been going on? he cried again, told me three years. i go, this is not an affair, this is a relationship. >> about that, and only that she and the only woman agreed. >> you don't like the word mistress, do you? >> no, i don't. >> this is bonnie contreras. >> what is it about that where that bothers you? >> mistress? it just sounds like, i don't want to say, yes, i was the side person because i was more than that to them. this man was the man i wanted to marry and spend the rest of my life with. >> bonnie was a 28-year-old single mom when they met. about 20 years younger when then bill and frances. she said their love affair bloomed in the most unlikely of places. >> i met him at a spinach festival. >> spinach? >> spinach. i was helping my aunt sell chicken on a stick, believe it or not. i know it sounds corny, but that's how i met him. >> bill happened to stroll by the chicken stand with some friends. >> as soon as i saw bill we just kind of -- locked eyes. >> bonnie was intrigued enough by this handsome older gentlemen to speak a peek at his ring finger. >> no wedding ring? >> no mark. i figured, single. >> according to bonnie, the two started to spend nearly every day together. >> i fell in love with him. i didn't expect it. it's not something that i was looking for at all. i love him! >> bonnie heard from bill that he was separated from his wife and was going through a divorce. >> i took his word and never asked again. >> he affectionately called her his [inaudible] , his chubby lady. and during their three years together, love floors between them. spa days, vacations, and even breast implants. >> i wasn't that big. i was maybe a small be. and he goes, i'll pay for them. >> and then, she says, a five carat diamond ring. >> it meant love, it meant friendship, it meant a future together. >> bonnie denies calling frances out of the blue. she says frances had known about the relationship for years and that the two women even spoke by phone about the financial arrangements to solve the divorce. >> who was going to keep what, and she was just going on, and on about the properties and about money, about the company. and i said, i'm not even asking for none of that stuff. i don't want none of it. >> whichever version was true, the two women had never met. because of hank told bill, he needed to break it off with bonnie before something bad happened. >> i said, you have to get out of that relationship, don't go back. >> did you feel like, bill, you're playing with fire. >> that's exactly what i told him. i said, you have to fix this, man. fix your house. frances threw him out, he went back to bonnie. and then he would beg frances to go back. he was very confused. i've never seen bill like this. never in my life. >> frances was conflicted too. take bill back or kick him out for good? the morning of october 9th, her anger boiled over. >> he was brushing his teeth and i glanced over and i just -- i was enraged. >> she started pulling his hair, tussle with him all around the house. bill appeared to take the assault as a joke. >> he was doing these little dances he does. and it upset me so much. and i kicked him. and he goes, stop, already. i go, no. >> she went after his prized possessions, knocking over his custom harley-davidson, and hitting the range rover with a stick. >> he pushed me down, i fell down. he took off, and waved at me. smiling. >> the following day was rough for frances. her family coaxed her out of the house to watch her nieces volleyball game. then, on her way home, driving her cadillac escalade -- >> i see bill on his bike and behind bill i see the range rover. and i'm like, who is that? >> the vehicles were coming toward her in the opposite lane. and as they passed, frances did a double take. sitting behind the wheel of her family's brand new range rover was bill's mistress, bonnie contreras. frances said they locked eyes for the first time. >> of course, i get her little finger. >> the middle finger? >> right. and i keep going. >> furious, she called her daughter nikki. >> she said i'm turning around, i'm going to confront her. >> what did you say to your mom? >> i said, good, just be careful. >> not likely. all hell was about to break loose. >> coming up -- >> i made the biggest choice of my life. i pulled over and i turned around. >> moments later, [inaudible] >> she breaks, and i break, and i heard the thump. >> when dateline continues. i've never been healthier. shingles doesn't care. but shingrix protects. proven over 90% effective, shingrix is a vaccine used to prevent shingles in adults 50 years and older. shingrix does not protect everyone and is not for those with severe allergic reactions to its ingredients or to a previous dose. an increased risk of guillain-barré syndrome was observed after getting shingrix. fainting can also happen. the most common side effects are pain, redness and swelling at the injection site, muscle pain, tiredness, headache, shivering, fever, and upset stomach. ask your doctor or pharmacist about shingrix today. kiddo: mom, can i go to the movies? 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(vo) it's your last chance to turn any iphone in any condition into a new iphone 15 pro with titanium and ipad and apple watch se - all on us. that's up to $1700 in value. only on verizon. andrea: october 10, 2013, here on this stretch >> october 10th, 2013. of san antonio highway, two women vying for one man here on this stretch of san antonio highway, two women vie for one man spotted each other for the first time. frances, the wife, and bonnie, the mistress. >> i made the biggest race of my life, i pulled over and i turned around. >> turned around to chase down her romantic rival. >> how fast are you going? >> i'm doing about 65, 70. she's in a super sport range rover. this thing will go fast. my range rover. >> frances stepped on the gas and soon had bonnie in her sights. >> i'm asking her to pull over, she told me, no. pull over, no. she kept playing this cat and mouse game. she kept breaking. >> she said bonnie repeatedly slammed on the brakes, forcing frances to slam on hers. frances had a large slab of granite in the back of her escalate from a home renovation project. >> i can hear this piece of granite every time i break because it moves. >> as bonnie accelerated, frances stayed on her. it was as if she had developed tunnel vision, could focus on only one thing. >> i'm going to confront her. i'm done. i've had it with her. i'm going to tell her, you want him, keep him. >> the him in all of this, bill, had been riding his motorcycle in front of bonnie. but as the chase unfolded, he suddenly slow down. >> all this time, bill is in front of us. and i see bill pulling over. and she's passing him. >> then, frances said, bill drop back to her right. >> and i'm passing bill, i see bill from my passenger window. and she breaks, and i break. and i heard something, like a thump. >> that piece of granite again, frances thought. and she continued to chase after bonnie, still hell-bent on confronting her. suddenly, bonnie made a u-turn. >> then as she makes a u-turn, i make the u-turn. she takes off. >> i got a black escalade and black range rover. they're traveling at a high rate of speed. i don't know, 90, 100 miles an hour. that black range rover was. >> and off duty officer spotted bonnie and frances and called it in. >> their hall in -- driving on the wrong side of the road. [inaudible] >> frances but still on bonnie 's tail when i hear this wind coming in -- >> the house of the wind snapped frances out of her trance. she looked back and realized her third row passenger window was shattered. and then she realized something else. she couldn't see bill anywhere. frances called her sister connie who lived close by. then, she called her daughter nikki. >> she goes, i can find her dad. i don't know where your dad is. i'm turning around. >> frances started to make her way back down the highway. she spoke to connie again. >> my sister tells me i found him. >> connie had jumped in her own car and soon came upon bill and his bike by the side of the road. he crashed and was in bad shape. police were already at the scene when frances arrived. >> and i was running, and the officer grabbed me, i yanked him. i heard someone yell, that's his wife, leave her alone! and i get down to where he's at and he's alive. >> did you say anything to him? >> i was just in shock. and he kept telling me, i can't breathe -- and i told him calm down, calm down. >> bill had internal injuries. whatever happened, the wreck was so severe he it even knocked his boots off. >> sarah for, here comes your bird. >> they took him away in a helicopter. >> they got a gurney and he grabbed my arm. he said, vieja, come with me. and they took him. and i heard him say, she has to come with me. >> officers wouldn't allow frances in the chopper, wouldn't allow her to go anywhere, in fact. >> i told the officer, i'm his wife. >> and he said turn around. and he handcuffed me and put me in the back, and i left with bill. >> it was only then, frances says, that it all came together in her mind. the thump, the broken window, somehow, bills bike and her escalate must've collided. i think some people might find it hard to believe that you wouldn't realize that you had hit a motorbike. >> i didn't feel anything. i heard a thump, i thought it was a piece of granite. >> police detained her for questioning ball bill's family took up a vigil at the hospital. bill's cousin was hopeful he'd pull through. >> we've been through so many wrecks on bikes, i thought, he'd be all right. he's had worse accidents than that. so -- >> bill wouldn't be all right, not this time. >> when they told us that he had passed away, it was just complete shock. >> i kind of screamed out, i couldn't believe it. i didn't believe it. >> frances was still in the back of the patrol car when she got the news. >> i noticed three people come to me wearing suits and one of them tells me that he hadn't made it. and i was like, your full of it. i go, no he did. i go, just go check. they come back and tell me, miss, he didn't make it. >> with bill dead, frances was not only a grieving widow, she was now clearly a suspect. police took her to the station for questioning, but she wasn't ready to answer anything. >> i need my attorney. >> okay, i completely understand. okay. >> i'm terrified. >> frances appeared to be in denial. >> bill, please. bill, come back. >> but if frances wasn't talking to the police, the other woman in bill's life was. and she said bill's death was no accident. >> dateline returns after the break. you're probably not easily persuaded to switch mobile providers for your business. but what if we told you it's possible that comcast business mobile can save you up to 75% a year on your wireless bill versus the big three carriers? did we peak your interest? you can get two unlimited lines for just $30 each a month. there are no term contracts or line activation fees. and you can bring your own device. oh, and all on the most reliable 5g mobile network nationwide. wireless that works for you. it's not just possible, it's happening. andrea: on his last day on earth, bill hall was staying with girlfriend, bonnie contreras. ♪ ♪ ♪ the two had plans to pick up bill's motorcycle >> on his last day on earth, bill hall was staying with girlfriend bonnie contreras. the two had plans to pick up bills motorcycle at a storage facility for a bike rally they'd attend the next day. >> he was laying in her bed, taking a nap. and that was two hours before he died. i will come up and i said, honey, it's getting late. we have to go pick up the back before it gets dark. >> that, bonnie said, was how she and bill ended up on the road that fateful evening. with bonnie behind the wheel of a range rover, bill in front of her on his baby blue motorcycle. neither of them knowing that frances, quite by chance, was coming from the opposite direction. but bonnie's version of events will differ sharply from the tale frances told. >> he's driving, i'm driving. somewhere along the way, we stopped at a light and he pulls up behind me on the other lane and he tells me, i love you so much. i'm so happy. that was the last time i heard his voice. >> the light turned green and everything changed. >> he was in front of me and i'm driving. and i feel someone hit me from behind. at first i thought it was an accident. >> a sudden jolt. then another. >> i feel another hit. and i said, what the hell? and i looked in my rearview mirror and it was frances. >> bill's wife. they'd spoken by phone, but never met. bonnie said she never saw frances on the road before she felt the jolts. never taunted her with her middle finger, as frances claimed. now, bonnie said frances wasn't just chasing her, she was actually repeatedly ramming her cadillac escalade into the back of the range rover. >> i started screaming because she wouldn't stop hitting me. she kept ramming her vehicle into me. >> she said frances's story, that bonnie