Ability to: research, analyze and apply legal principles, facts, evidence and precedents to legal problems; prepare and present statements of law, fact and argument clearly, logically and persuasively in written and oral form; establish and maintain effective working relationships with other staff members, departmental representatives, county officials, the courts, law enforcement agency officials, and the general public; understand and accept differences in human behavior, and cultural and ethnic backgrounds. Knowledge of: duties, powers, limitations, and authorities of the Office of the Public Defender; principles of criminal law, principles of trial procedure and rules of evidence; legal research methods and judicial procedures; statutory and constitutional laws of the State of California; written and oral communications, including language mechanics, syntax and English composition.