Petty theft. Grand theft. Embezzlement. Forgery. Identity theft. Insurance fraud. Check fraud. Credit card fraud. White collar cases are document cases. They are won by lawyers who will read every page — because the government's theory is usually built on an interpretation of the documents, and interpretations can be wrong. Intent is almost always the battlefield. A mistake, a dispute, a bad business decision, and a crime are four different things, and the prosecution has to prove which one it is.