The aim of this thesis was to examine the relationship between substance misuse and crime. Whilst extensive research exists in this area, there remains a paucity of research utilising qualitative methodology. A narrative review demonstrates the complex nature of the drug/crime relationship and provides an argument for the use of narrative in examining the aetiology of a complex relationship. This relationship is further examined in Chapter 3, where Interpretative Phenomenological Analysis (IPA) was used to analyse the narratives of 6 participants. The use of substances contributed to various types of offences for these participants as well as being apparent in the literature appertaining to sexual offending. Chapter 4 examines an intervention conducted with an alcoholic sex offender in treatment at a community drug and alcohol service. The intervention described enabled the client to identify pertinent risk factors (i.e. alcohol misuse) of recidivism without relinquishing his stance of ‘categorical denial’. A critique of the Substance Abuse Subtle Screening Inventory 3 (SASSI-3) is provided in Chapter 5. Examination of psychometric properties suggests that the SASSI-3’s validity is questionable raising concern regarding its appropriate application. The author concludes that this thesis will enhance current understanding of the relationship between substance misuse and crime