I knew perfectly that she was a bad lot when I went there as a matter of fact that's WHY I went  " She broke off, seeing some 92 bewilderment on the lawyer's face, and went on: "I think perhaps I'd better tell you the whole story, Sir James.
She said to Sir James "I should tell you the whole story", upon seeing the lawyers surprise.
She wasn't going to tell Sir James her reasoning for going there.