Before earning the CFE Credential, you are required to pass the CFE Exam. The CFE Exam tests your knowledge of the four major areas that comprise the fraud examination body of knowledge:
Fraud Prevention and Deterrence — tests your understanding of why people commit fraud and ways to prevent it. Topics covered in this section include crime causation, white-collar crime, occupational fraud, fraud prevention, fraud risk assessment, and the ACFE Code of Professional Ethics.
Financial Transactions and Fraud Schemes — tests your comprehension of the types of fraudulent financial transactions incurred in accounting records. To pass Financial Transactions & Fraud Schemes, you will be required to demonstrate knowledge of the following concepts: basic accounting and auditing theory, fraud schemes, internal controls to deter fraud and other auditing and accounting matters.
Investigation — includes questions about interviewing, taking statements, obtaining information from public records, tracing illicit transactions, evaluating deception and report writing.
Law — ensures your familiarity with the many legal ramifications of conducting fraud examinations, including criminal and civil law, rules of evidence, rights of the accused and accuser, and expert witness matters.
See more at: http://www.acfe.com/details-of-exam.aspx (Website of ACFE, Inc.)