This paper presents the results of procedures whereby police agencies can develop a training program which will most accurately fulfill the agency's needs, and also a technique to accurarely assess the trainee's progress in the training program. The Critical Incidem Job Analysis technique was used to develop the training program, and an assessment center procedure was described for the purpose of assessing the trainee's progress in the training program. The use of the assessment center in a training program represents a new use for assessment centers. The advantages of using these procedures for police training are disctassed.