Which of the following is not a source of criminal law?

Reputation is not a recognized source of criminal law because it does not establish legally binding rules or standards that govern behavior. Rather, it often refers to the perceptions or opinions people have about an individual or group based on their actions or characteristics.

In contrast, common law refers to legal principles and precedents developed through judicial decisions over time. This body of law is essential in defining and shaping criminal behavior, as it provides interpretations and applications of legal statutes.

Statutes are laws enacted by legislative bodies, which specifically outline prohibited conduct, penalties, and defenses. Statutory law is a foundational source of criminal law as it codifies what constitutes a crime and establishes the legal framework within which both individuals and law enforcement operate.

Regulations are rules issued by governmental agencies and are often used to enforce statutory provisions. They can include details on how laws are to be applied in specific situations, thereby serving as another key source of authority in criminal law.

Thus, the absence of a formal legal framework and the reliance on reputation alone disqualifies it as a source of criminal law, making it the correct choice in this context.