METHOD: A randomly selected representative sample of inmates in the Puerto Rico correctional system (N = 1,179) was assessed with the Spanish-language Wender Utah Rating Scale (WURS); the Composite International Diagnostic Interview (CIDI) modules for lifetime/current major depression disorder (MDD), generalized anxiety disorder (GAD), and SUD; the Davidson Trauma Scale (DTS; posttraumatic stress disorder [PTSD]); and self-reports of in-site high-risk behaviors.