Bradley also admitted she last saw Lisa Irwin at 6:40 p.m. local time, not 10:30 p.m. as she had originally told investigators.

Bradley said it was possible she blacked out after drinking, but denied that anything could have happened to Lisa while she was drunk. She said she drank about twice a week when her children were asleep and denied having a drinking problem.

"I don't see the problem with me having grownup time," she told Fox News' Megyn Kelly.