This article reveals the features of training psychologists for developmental and psychocorrectional activities in the context of legal psychology. Definitions and differentiation of these activities are given, and the concept of “training” is defined as a group form of their implementation. These stages in training of specialists are noted: client experience, theoretical training, workshop, practice. The algorithms for designing of developmental and psycho-corrective trainings are described, including four types of logic for the development of training programs: the content logic, the logic of the training program, the logic of the training “day”, the logic of activity switching. The specifics of online trainings are high-lighted: the limitations of this format along with the possibilities for overcoming them. The study emphasizes the importance of supervision in the development of students' expertise, as well as the formation of their expertise in the field of supervisory analysis of trainings. On the whole, the study concludes the need to expand the scope of training of psychologists by helping them to master Internet technologies.