In recent years, a great deal of attention has been paid to whistleblowers, those heroic people who risk their jobs, friendships and health to expose their employers' illegal or unethical behavior. This article examines the difficulties faced by a corporate attorney who discovers that her client has committed a fraudulent act. A lawyer's code of professional ethics and the common law obligation to keep client confidences make it virtually impossible for an attorney to "blow the whistle" on a corporate client or employer.