The aims of this study are: to explore empirical clusters in a sample of individuals with a gambling disorder (GD) according to the presence of illegal behaviors, to describe the subgroups at a clinical level and to examine whether a temporal change has taken place across the last 9 years. The sample consisted of 378 patients with a GD who consecutively received outpatient treatment, and who reported the presence of the DSM-IV criteria "presence of illegal behavior". Two-step clustering procedure revealed the existence of four empirical groups, which differed in both sociodemographic and clinical profiles. The patients, who have committed illegal acts due to their gambling behavior, are a heterogeneous group in which it is possible to identify different subtypes, based on sociodemographic, psychopathological, clinical and personality characteristics.
