Understanding Criminal Law in TexasThe Purpose of Criminal LawTexas is tough on crime, yet serious criminal offenses still take place throughout the state. Criminal law describes the behaviors that are discouraged and the penalties for those convicted of breaking them. These laws also protect the innocent by ensuring fair trials for the accused and reasonable penalties that justly match the severity of the crime for those convicted. Types of Criminal ActivityCriminal law punishes violations of the law that cause deliberate or intentional harm to another person or their property. Crimes of physical harm include categories like assault, battery, rape, and murder. Property crimes include burglary, shoplifting, robbery, and carjacking. Government prosecutors decide which charges to pursue in court based on evidence gathered by police investigators.