Previous studies suggested a significant interaction between criminal attitudes, associations with criminal friends, and criminal behaviour. The purpose of the current investigation was to provide the possible mediating role of associations with criminal friends between criminal attitudes, and criminal behaviour. Based on a sample of 133 violent offenders, the proposed mediation model tested was found to be a good fit of the observed data, with each of the respective fit indices exceeding the criteria for a good fitting model. Thus results suggest that the presence and influence of criminal friends has a significant mediating effect on the interaction between criminal attitudes and recidivistic behaviour. Further implications in relation to research and theory are discussed.