Leading researchers analyze the conceptual, theoretical, and methodological aspects of evaluating witness evidence. Covers the variety of psychological processes involved, including perception, memory, recognition, and recall. Discusses factors influencing the quality of memory for events, faces and voices; techniques for maximizing and evaluating information reliability, including lie detection; and juror response to witness testimony. Analyzes trends of legal thought on the problem of identification and misidentification. Presents current debates in the field.