The manual, designed for one- and-one-half-day workshops with 20 to 40 law enforcement professionals who handle driving while intoxicated (DWI) cases, is directed toward recognizing the special role of the police officer as decision-maker in cases involving drunk or impaired driving. It is one of five workshop manuals developed to assist State and local agencies involved in the development of programs for coping with the drinking-driver problem. Workshop goals include: encouraging communication between law enforcement professionals, developing cooperative plans, and motivating implementation of these plans. Activities include: small group exercises, discussions, an examination of two typical DWI case studies, an alcohol awareness seminar involving breath analysis, and followup discussions of current approaches to the drinking-driver problem. The manual is organized into three parts: (1) introduction, containing an overview, manual synopsis, and workshop staffing suggestions, (2) governor's representative and chairman workshop materials, and (3) appendixes consisting of preworkshop instructions, group moderator workshop materials, and miscellaneous materials. These include information on audiovisual equipment, instructions, evaluation forms, and followup materials. The manual is designed to be self-executing and includes sample letters, fully executed speeches, discussion guidelines, evaluation instruments, and participant selection criteria. (MW)