There are many misconceptions about sexual-offender treatment, which are particularly magnified when it comes to understanding and managing the risk of sexual offending in the community. Many of the misconceptions are based on faulty information about the types of treatment, treatment outcomes, and sexual-offence recidivism. Additionally, public misconception of sexual-offending behaviour in sexually deviant individuals creates stigma and fear. This is despite the large number of studies on sexual-offender treatment, recidivism, and treatment outcome available in the scientific literature. In fact, various actuarial risk-assessment instruments can be used to estimate the probability that a sexual offender will recidivate. Risk can be managed through treatment. The aim of this chapter is to review the evidence-based studies on the efficacy of sexual-offender treatment, as well as how the risk management of sexual offenders is currently implemented in sexual-offender treatment programmes.