““There will be no change in this firm's concern for client confidentiality.' 'Good.' She relaxed a little. 'But I like to know as much as possible about what I'm getting into before I start an investigation.' It was her turn to raise her brows. 'I'm here because I was under the impression that one consults a private investigator when one does not wish to explain all the reasons why one needs that particular type of professional assistance.””