Thomas Grisso, PhD, is Professor of Psychiatry (Clinical Psychology) at the University of Massachusetts Medical School where his research, teaching, and clinical practice focus on forensic mental health evaluations and services. He has authored and edited several books on evaluations for the courts and juvenile forensic issues, including Competency to Stand Trial Evaluations (1988) and Assessing Competence to Consent to Treatment (with P. Appelbaum, 1998). He has also authored two assessment tools published by Professional Resource Press: Instruments for Assessing Understanding and Appreciation of Miranda Rights and MacArthur Competence Assessment Tool-Treatment (with P.S. Appelbaum). Dr. Grisso is a diplomate of the American Board of Professional Psychology (Forensic), past president of the American Psychology-Law Society, a member of the MacArthur Foundation Network on Adolescent Development and Juvenile Justice , and the 1995 recipient of the American Psychological Association's Award for Distinguished Contributions to Research in Public Policy.