Evidence-Based Screening among Drug-Involved Defendants: Piloting the GAIN Short Screener in the Brooklyn Treatment Court Evidence-Based Screening among Drug-Involved Defendants: Piloting the GAIN Short Screener in the Brooklyn Treatment Court Download An exploration of the use of the Global Appraisal of Individual Needs (GAIN-SS), an addiction and mental health screening tool, in a high-volume drug court setting. April 2011