Young said he believes that the recent investigation into whether he committed perjury with regard to the scandal was sparked by an anonymous complaint to the district attorney by a member of Hunter's heavily financed legal team.
"Any mistakes we made was because they started the civil lawsuit the day before my book came out," he said.
After the affair became public, Edwards' presidential ambitions were destroyed.
Hunter told Winfrey that she considered her affair with Edwards a learning experience.
"I don't regret it. I wouldn't repeat it, but I learned a lot," she said.
But what she does regret is the photo spread in GQ magazine, which accompanied her first-ever interview since the scandal broke. The photos showed her posing provactively and without pants next to her daughter's stuffed animals.
Hunter added, "I'm not sure I want to get married ever. I don't need marriage to define who I am."
One thing Hunter claims she doesn't know is whether she hurt Elizabeth Edwards, telling Winfrey, "I don't know."
Hunter said she knew Edwards was married when she told the Democratic contender that he was "hot," and went to his New York City hotel room later that same night.
"I did know that he was married, but I didn't know what their marriage was like," she said.
Hunter suggested that the state of Edwards' marriage to his wife Elizabeth shares much of the blame for her affair and the breakdown of the Edwards marriage.
"People bought into the myth of the marriage," Hunter said. "[There is an idea that their marriage] was a storybook and is so perfect and so wonderful and I destroyed it."
Elizabeth Edwards, Hunters said, first learned of the affair when Edwards' wife called the number on a phone he used only to speak to Hunter.
"I said, 'Hey, baby,' and she hung up," Hunter said.
Hunter, who has since given birth to a baby girl named Frances Quinn, also told Winfrey that neither of them used birth control during their torrid affair.
When Edwards found out she was pregnant he never asked her to get an abortion and was "gracious," but when he feared the pregnancy might become public he became angry and agreed to a plan to have his close aide Andrew Young claim to be the baby's father.
"I wouldn't say he was fully supportive," she said of Edwards who called her up to yell at her after a tabloid photographer snapped her looking pregnant. "He had a lot of issues with the timing. He was married, he's running for the presidency."
Hunter said agreeing to the Young paternity claim was, "My biggest regret. My biggest mistake."
Under often skeptical questioning by Winfrey, Hunter said she had doubts at times whether they should continue the affair, but said their love was overpowering.
At one point Hunter said, "The power of love does override," and later said, "Our hearts were louder than the mind."
But Edwards did not fully come clean to his wife until after a 2008 interview with ABC News, when Edwards admitted to the affair, but denied he had fathered a child with Hunter. Earlier this year, Edwards admitted that Hunter's daughter was his.
"Everyone who was close to, well, who knew all the facts and knew the truth said, 'Please, don't do that interview. Please don't do that interview,'" Hunter told Winfrey about Edwards' revelatory sit-down with ABC News' Bob Woodruff.