Luck in forensic psychiatry may mean a fair treatment for the affected person, safety for the society and satisfying work for the clinician. There has been great progress in forensic psychiatry. A high quality forensic treatment consists of a professional attitude, which preserves the personal integrity and identity. The principles of RNR (Risk-Need-Responsivity) are essential. There are very promising treatment approaches like the "Good lives model" or the "Community Reinforcement Approach" (CRA-Concept), which consider the personal aims and the pursuit of happiness of the patient as a starting point and resource. The most recent legislative changes will probably cause a shorter duration of stay in forensic clinics and will require a more intense and well connected aftercare. The risk of a relapse is not a matter of luck. It can be calculated and reduced. However, further research is needed to improve effectiveness of the follow-up care.