Her family was, though:
http://articles.mcall.com/1989-06-17/news/2685307_1_mrs-kopechne-ted-kennedy-joseph-kopechne
This article confirms that Kennedy paid the family, btw.
EVERY Republican should go. Imagine the news when it breaks a record.
No other source lists "another woman". That's an odd detail to get wrong after so many years.
Kennedy's police statement says,"There was one passenger with me, one Miss Mary [Kopechne], a former secretary of my brother Sen. Robert Kennedy".