CJK 0018 - Legal CJK 0018 - Legal All of these require a foundational knowledge of the law and the ability to apply that law to specific incidents. To act properly and effectively as law enforcement officers, without infringing on individual rights, students must have an understanding of federal, state, and local laws. You should also become familiar with case law and how it interprets and further explains enacted laws. This chapter will provide a solid legal foundation from which students may function as law enforcement officers. Post-Secondary Adult Vocational