This reference work is characterized by its high informational value and versatile, practice-oriented descriptions in the areas of communication, interview techniques, and criminal investigations. All important aspects of targeted communication, their current legal context, the respective psychological characteristics, and necessary background knowledge are conveyed concisely from a single source. The new edition has been revised, updated, and supplemented in some areas. Central topics include: rights of victims, approaches to vulnerable individuals by the police, mediation, conducting hypnosis procedures, corporate communication, employee interviews, questioning in cases of fundamentalism, and interviewing mentally disturbed individuals.