This document provides an overview of the 12 cranial nerves, including their course, functions, and medico-legal importance. It describes each cranial nerve in detail, covering origins, exits, functions, and examples of lesions. The cranial nerves have forensic relevance as injuries to certain nerves can provide clues in legal cases involving head trauma, poisoning, and asphyxiation. Brainstem death is also discussed, noting loss of certain cranial nerve reflexes indicates brain death. The document concludes with references used in compiling the information presented.