The document describes the Mentoring Gang-Involved Youth Project by Roca, Inc., which aims to reduce incarceration rates and improve employment prospects for young male adults aged 17-24 with substance abuse issues. The project employs a combination of needs assessment and summative evaluations to track participant progress and guide interventions, utilizing data on risk factors related to incarceration and employment disconnect. Additionally, the report indicates the project's success and potential for continued funding and implementation, demonstrating the effective use of data in informing policy and programmatic decisions.