Crime is inexcusable violations that may have different. For example, insurrection, treason and espionage are crimes against the state as murder, rape, kidnapping and assault are crimes against the person. According to the Criminal Code, the government files always clothes as in the case of exclusive private files always followed.

Criminal law explains the offense and its components and punishment for offenders sentenced as an effective means of social control. The most important feature of the American criminal law is a provision for public punishment. Certain criminal law prescribe rules and regulations to monitor and maintain higher standards of conduct. For example, to assist police in the investigation when asked about it and report to the authorities immediately after the culprit is identified are examples of moral or ethical criminal law.

According to the US Constitution, there are certain crimes called strict liability crimes like drug abuse and weapons offenses where the act itself is sufficient to punish the offender. This imposes criminal liability without fail. In the US crimes as conspiracy, terrorism and sexual harassment is covered under the inchoate crime law in which all assist in the planning and execution of the crime with the same penalties as the person who actually commits a crime. The crime could be the result of a direct cause or legal cause or prior cause. The criminal law gives great emphasis on the concept of causation.

Everyone wants the criminal to be punished for the crime he has committed. The penalties must be such a criminal would not dare to repeat the offense he has committed.