The booklet provides an overview of the issues involved in correctional rehabilitation for the mentally retarded offender. Reviewed are clinical and legal definitions of criminal behavior and retardation, and discussed are such issues as law enforcement and court proceedings problems, pros and cons of special facilities, labeling, normalization, and right to treatment. A section on the state of the art considers research and recent trends in such areas as personnel training and programs for adult retarded offenders. A model using functional concepts of retardation and criminal behavior is proposed. The final section focuses on planning and implementing a program for retarded offenders, with consideration of such factors as initial diagnosis and classification; content of an activities of daily living program; and related counseling, medical, and therapy services. (CL)