In the performance of their duty, law enforcement officials shall respect and protect human dignity and maintain and uphold the human rights of all persons. Law enforcement officials may use force only when strictly necessary and to the extent required for the performance of their duty.The Illinois Law Enforcement Training and Standards Board is the state agency mandated to promote and maintain a high level of professional standards. This second edition of Law Enforcement Intelligence: A Guide for State, Local, and. The purpose of law enforcement is to protect communities, hold individuals accountable, and ensure justice. THREAT WARNING AND ANALYSIS. 1-1. International students filling out visa forms to study in the USA.