The Bookkeeper - Enda McClafferty talks to the lady who brought down Richard Nixon.

She was known as the Bookkeeper - the woman who blew the whistle on Watergate in 1972 which brought down the American President Richard Nixon. Her identity and role were kept a secret for years and even when the scandal was made into a film - All the Presidents Men - her real name was withheld.

Now we know her identity and last night the bookkeeper - Judy Hobach Miller - spent the night in Derry. Our own Enda McClafferty spent some time with her talking about her life and Watergate which has secured her place in American history. He asked her first about the role she played bringing down Nixon.