ABC News: “Edwards said his wife, Elizabeth, and others in his family became aware of the affair in 2006.”
But as Greg Pollowitz points out, Hunter was still working for Edwards as of December of 2006. That must have been awkward.
A Newsweek article from the Dec. 25, 2006 issue describes Hunter as being “under contract with Edwards’s organization.” The title of the article? “John Edwards, Untucked.”