This document discusses case law research and briefing. It begins by explaining that case law refers to legal precedents established through past court decisions, and plays a fundamental role in legal analysis. It then describes primary sources like cases, and secondary sources that provide commentary on cases, such as legal encyclopedias, treatises, law reports, and Shepard's Citations. The document emphasizes that thorough research of both primary and secondary sources is essential to understand the legal landscape and develop strong legal arguments. It concludes by noting sound research techniques can enhance case law research.