Mary Kay Letourneau speaks out 20 years after affair with student

Decades after being found guilty of having a sexual relationship with her 13-year-old student, the former teacher is speaking out.
2:45 | 05/29/18

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Transcript for Mary Kay Letourneau speaks out 20 years after affair with student
We are back now with S of Mary ketourneau. Yoy remember she was a teacher S to prison to having sex with a 13r-old student then the mried, starred family all told in a N documentary and dianeacedo as detail. So many haveondered about this relationship. Now Mary Kay letouu is finally giv viewers an inside look at her controversi life how she's doing now. Am iorry he's theather of my children and that we're married and this ishe man O my LI no, I'm not. Reporter: Moren 20ears nce the scandal that shocked the nation. The 35-year- teacher who had sex with a 13-year-old sixth grader sentenced to 80 days in prison. Ary Kay Letourneau, the the married mother of four whole guilty Rapin her 13-ye-old formertudent vili fualaau I hoping to set record stra in "Mary Kay letourneau:autobiography." First ol I was ach an vili was once a student but we W't -- there was nothing going at all when he S a student of mine. Reporter: Letourneau got pregnant and delivered his baby girl bore serving her 80-day prison sentence. Although T judge ordered to stay away from him upon her release she violated herparole. Love him. And he was waiting for M call. That wase pretty much like the plan to get back together and S each other. Reporter: Letourneaas sent back to jail F seven years where she gave birth to another daughter after serving her sentence the couple grid and bed their families. My oldest children have come tonow vili and they've alw known me. Now they' groups and have independent lives but in the first ye they wanted to be toge. Reporter: Now a paralegal she maintains shever knew she ING anything illegal whenhe started the affair claiming it was consel even though the age of concepts and still is and she says ses of O teachers who have since been nvicted for rationships with underage snts baffle her. It's just that anyeacher after what happened to me would go there, at least Ian say that I did not know that it was a law and youknew. After my case, you knew. And in 2017 fualaaued for ration but they sti live toge in Washington state. Mary'sttorney says then counng working on the issue and "Mary Kay L Le letourneau:auto biogy" a night.

This transcript has been automatically generated and may not be 100% accurate.

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