This chapter describes how forensic social workers can use the knowledge and skills of intervention development to design or evaluate existing interventions with forensic populations or settings, and about funding for their cause. It articulates the language of program and proposal development to prepare forensic social workers to be the creators of programs needed for forensic populations. The chapter enables preparing forensic social workers to possess basic competencies for understanding the language and practice of program development and evaluation of forensic social work interventions. The chapter provides an overview of the different parts of the logic model and how it can be linked to program development and evaluation. It provides questions related to the common types of evaluation, which include a needs assessment and process, outcome, or efficiency evaluations. The chapter also reviews forensic intervention development using a human rights and social justice systems approach.