Richard Willstatter was quoted in a Reuters article about Dominique Strauss-Kahn:

“Nobody except for Mr. Strauss-Kahn and the woman who has not been named knows what happened or didn’t happen in that room,” said Richard Willstatter of Green & Willstatter, the president-elect of the New York State Association of Criminal Defense Lawyers. “Prosecutors like to say they know what happened. But they really don’t know what happened.”

Read more: http://www.reuters.com/article/2011/05/18/strausskahn-defense-idUSN1827534220110518