Volume 9, Issue 1 < /a > , Page 14-25, February 2016. < br/ > Purpose – The purpose of this paper is to review the literature on offenders with a dual diagnosis and discuss how prison-based services can improve to better meet the needs of prisoners with co-occurring substance misuse and mental health disorders. D..."> Volume 9, Issue 1 < /a > , Page 14-25, February 2016. < br/ > Purpose – The purpose of this paper is to review the literature on offenders with a dual diagnosis and discuss how prison-based services can improve to better meet the needs of prisoners with co-occurring substance misuse and mental health disorders. D..." /> Volume 9, Issue 1 < /a > , Page 14-25, February 2016. < br/ > Purpose – The purpose of this paper is to review the literature on offenders with a dual diagnosis and discuss how prison-based services can improve to better meet the needs of prisoners with co-occurring substance misuse and mental health disorders. D..." />