This document discusses ethical issues that arise for legal professionals in criminal cases. It covers the duties of defense attorneys, including providing counsel to unpopular or guilty clients. It also discusses prosecutors' discretion in charging decisions and conflicts of interest. The document outlines attorneys' responsibilities to clients and duties of confidentiality and candor toward the court. It discusses forensic science issues and examples of experts who provided unreliable testimony. Finally, it addresses judicial discretion in interpreting laws and sentencing.