Transcript for Bikram Yoga Founder Accused of Sexual Assault
You know lady. -- the right. My body. The ceremony many young mother in San Francisco and is haunted by what she says happen -- her. So much so she says she can barely bring herself to do the things she loves -- and practicing yoga. My daughter -- -- looked at room. She was almost three and she said to me. Mommy I want to be just like you. -- -- yoga teacher and all I could think was he can't do that he'll get great. This is the man she accused. -- Arguably the richest most successfully go that -- -- Heal the world as a rock structures built by just one. His brand of hot yoga synonymous with sweat and handpicked -- claims it can improve your body prolong your life. It even invigorate your sex life. In the hardest. Prominent in my life debuted. East AME -- women. Women likes me. And I -- on seeking up to CD country -- country. On my life. The stabbing from the women women like you too much to the it was a year and a half ago when we started reporting on Vikram. Already then there were rumors about inappropriate contact with students I asked him about those rumors -- And we we -- loves me. You know presidents don't you know prime minister -- you know billion -- doughnut. So what stock actors -- singers but he'll these -- to be you he. They -- -- in love with -- women. Since then five women have filed civil lawsuits accusing victims of sexual assault four of the women accuse him of rape. Sarah -- was the first to come forward she first told her story to Vanity Fair he absolutely. Chases women. He victimize -- women. And someone can look him in the eye and -- no. And it doesn't matter she was twenty when she dropped out of college to attend programs teacher training program. The grueling nine weeks seminar led by -- himself. Cost thousands of dollars -- is the only way to become a -- from yoga teacher it was a big commitment for me. To make this decision. But it was something I was. Extremely. Dedicated and passionate about. Meeting -- for the first time she says she was full of hope she told -- his yoga had changed her life. And I told him I was sad now I'm happy. I feel like a completely new person become -- eleven more than chocolate. She says -- took an immediate interest -- took me by arms. And told me that. There was a connection between the two of us. That he'd never felt before later she says -- told her privately that they should start a relationship. Shaken and upset she says she rebuffed him and reported the incident to a teacher training Stafford. -- -- He's he may not be a very good man. He's a very good teacher that seem like good vibes weren't really sure what -- I could do but she says Vikram persisted with unwanted advances during classes and he put his hands on them. My delay and my arm. And pulled them apart your legs that this -- -- When his -- -- you from. It's called standing -- pros likeness. King then started whispering. Things in my ear that no one else could hear. Don't you love me. And come LA. Can be with me. And he displayed me and from that everybody. And it was so humiliating. To outsiders the teacher training tennis team on the that disease. -- Students almost naked and dripping with sweat -- cheered on by -- from sexually charged banter. So yeah. Did. He's the -- Almost spiritual master Clarissa Anderson says she was part of -- grooms inner circle one of a select few teachers to become part of the crumbs to rupture. I think the groove thing and sort of hard for people to -- it's not just that he's like. A really good -- instructor -- private -- to you he was something spiritual. Yes so young women who. Want to believe in something so badly. He sees -- And those are the people that he targets because they're vulnerable. There is Sanderson says she was vulnerable when she came to -- recovering from drug addiction yoga she says was her path to a healthier life. They could walk on water as far as -- -- as possible. Absolutely. She says all that changed late one night -- the -- Beverly Hills mansion. They're rich and we're watching a movie. And he grabbed the back of my head and he kissed me. And I pulled away and I -- And this isn't. I have thought speechless because. -- businessmen who have. And at. Out of him as a father figure and instead and me -- my hand and -- sat down on the couch. And pulled out Huskers pulled them and -- Plus this fox interest and had sex. And I don't know. He richer yes there yes and -- -- Yes his -- that there was cracks and his -- -- -- and his son. It didn't last very long. Clinton -- protection. He stood up. British threats fat content and went back into the other room sat down on cops think that. She did not report the alleged incident to the police until years later. But says the rate took place in the very room where Vikram and I had sat down for our interview. And in my life never cheat and in my heart and honesty I'm the most speech at a man didn't you ever meet -- It's also the room where Sarah Vaughan says Vikram assaulted her. On graduated from teacher training and started participating in yoga competitions. And she says eventually felt comfortable enough to visit -- -- house -- -- coaches urging him to get feedback on her routine. Suddenly -- alone with the Ayatollah. At his house. Yes and he. But his hand inside -- -- And his other hand on my breasts. And he kept trying to touch me and he was on top of my body. And he said. My -- -- six and I need someone to love me to be with me. To massage me and then he said to have sex with me and I said. I will never do that. And he told me that the only way that I could ever win the open competition. Was if I had sex. He's very quid pro quo straightforward sleep with me you remember when the -- competition and must have sex. -- push them off of me completely. Stood up. I looked him in the eye and said I don't need you to win I'm going to do it on my own my walked out of his house. More determined than ever born did compete this is bond's routine posted on YouTube. From the competition run by USA go -- an organization founded by victims wife. -- believed the routine was nearly perfect she placed second. Wrong. No one. This case aside no one no one is entitled to take any one spot. Not ever. And you know what he said any thing -- -- not there. The -- -- it. -- every and his legal team declined to be interviewed for this story but his legal team provided ABC news with a statement. It said in part they strongly dispute the allegations and intend to vindicate themselves in court adding they do not intend to try this case in the media. -- sick man. I'm not even the worst I got -- can he. What does it mean to be a -- Asked him. Teacher -- little more than a year ago that -- child -- the flamboyant yoga guru invited Nightline to his house for an interview. Why do you think Americans are so fascinated by yoga that seems like everywhere you go -- -- -- Because of me. He's proud of his success today at the time even give us a tour of his garage full of luxury cars this is 1915 to -- look at would have been designed from his. The -- commercialism and his brash personality that made him a controversial figure in the -- world. But he has no time for his critics that people's sometime -- and famous and well known. That is a group of people get jealous because people who talk bad apologies -- -- Since that interview five women have come forward finally civil lawsuits alleging sexual assault four of them accused him of -- This woman asked us not to use her real name in her lawsuit against -- she's identified as Jane doe number three. She has never told her story in public before. She says Vikram raped her three times she says the first time was a teacher training she'd been given a scholarship. And says she humbly thanked him for. And I want -- Culture it's respectful of me going amazing -- -- -- you master it guru. And he me. He said. -- like you. I -- -- you and then he said. It's cold let's go up suddenly growing up from the elevator Illinois out -- -- -- -- I was in the -- praying that it would not be. She says shortly after they entered his hotel suite he made his intentions clear. And he said you know you know around -- people -- on a scholarship every change. And have all the people. You here. With his family -- you. No believed to -- for. At looked at him -- it got -- figure. That Mother Teresa known. As the please call. You -- The world believes -- you. -- -- And just how wrong she says he raped her then acted as though nothing -- happen. She says she continued determined not to lose her chance to fulfill her dream and become a yoga instructor. But says she -- sure they were never alone again a teacher training. After she completed the course she moved to LA to work at -- -- headquarters. He made it very professional. -- on the table -- not volunteer. I believe him. I tested. Then she says he raped her a second time at this apartment upstairs on the bare mattress on the floor. He took his pants off he pulled me and then I said please don't. You said it wouldn't happen again. And then. It pushed me down. With force. Didn't know. Let me. He -- you. And forced himself on me and so I just knew. -- -- When somebody says why didn't you go to the cops why did you come to. Why do you allow yourself to be alone with his family. -- -- -- Like to not be alone with him but why not. Who would believe me. No one would. Everybody was so hypnotized by him. She says she was financially dependent on -- and believed her career as a yoga instructor was on the line so she says she kept to herself like Sarah -- and -- Anderson she did not file any police reports until years later according to their attorney. The district attorney has declined to bring any criminal charges against -- All the current cases are in civil court Mary Shea has the plaintiffs' attorney. When Sarah filed her lawsuit I think back gave. Other women courage to stand out and be heard. -- his -- college of India and his legal team all declined to speak with Nightline for this story. I do. But in a previous -- related lawsuit he testified under oath that he has never had sex with a student. You have had sex with female trainees at -- correct action part. Is that true mr. -- -- Do you -- act yes. Who would you want -- -- -- know. -- with just eight that I would. Some -- and and so. -- -- -- -- -- Yes. -- -- -- -- -- -- -- -- -- It's -- Just expose him the truth. For him to come into the light. Get down from his parole -- just -- this. But for now to -- room is standing his ground -- I'm David Wright for Nightline in Los Angeles.
This transcript has been automatically generated and may not be 100% accurate.