In 500-750 words: Briefly describe each of the three treatment outcome models

In 500-750 words:
Briefly describe each of the three treatment outcome models: recidivism, relapse, and harm-reduction.
Compare (similarities and differences) the three treatment outcome models in terms of relevance in defining treatment success and/or failure with specific forensic populations, challenges in application, and advantages of each model.
Explain at least one conclusion you drew or insight you gained as a result of your comparison.
Resources:
Handbook of Forensic Mental Health with Victims and Offenders: Assessment, Treatment, and Research

Chapter 21, “Aftercare and Recidivism Prevention”