Who knows what it takes for anyone to heal, but what if it is that she is SAFE talking about it now?
Maybe she had been threatened for all these 42 years and cannot be threatened now.
Anyone of import die recently that may have been tormenting her all these years? Who knows, she may be shopping a book around and around and around.
If you witnessed an assassination of a well known political figure would you be calling the newspapers to tell what you saw? Think about it. Remember Lee Harvey Oswald, Jack Ruby, Kitty what’s her name who interviewed Ruby, Mary Pinchot, et al. I’d be claiming amnesia - just like Siran.