Criminal liability refers to the legal responsibility of an individual for committing a crime. It means that a person can be held accountable for their actions if they violate laws established by the government. To establish criminal liability, it must be proven that the individual had the necessary intent or knowledge to commit the crime, along with the act itself. In most legal systems, there are different levels of criminal liability, which can range from minor offenses to serious crimes. Factors such as age, mental state, and circumstances surrounding the act can influence the degree of liability. Understanding these elements is crucial for determining appropriate penalties and justice.