... SUSO is unique in that it holistically integrates a biadaptive model with other best practices in the literature-base, including the need to provide structured (Andrews et al., 1990;Morgan & Flora, 2002), intensive (Bourgon & Armstrong, 2005;Burdon, Messina, & Prendergast, 2004;Harland, 1995;Lipsey, 1989), and CBTinformed interventions (Andrews & Bonta, 2017;Gendreau, 1996;Harland, 1995) that use easy-to-follow treatment concepts and heuristics (Mills, Kroner, & Mongrain, 2005;Morgan, Kroner, & Mills, 2006). The notion of a biadaptive model (Morgan, Kroner, & Mills, 2018) focusing on both criminogenic and psychiatric risk has been supported by a meta-analysis on effective treatments for offenders with serious mental illness (Morgan, Flora, Kroner, Mills, Varghese, & Steffan, 2012) and early validation of an existing program tailored for offenders in less restrictive settings (e.g., in-custody general population, community supervision; Morgan, Kroner, Mills, Bauer, & Serna, 2014;Van Horn et al., 2019). ...