 The Gang Supervision Unit also provides Gang Resistance Education and Training (GREAT) programming for elementary school students.The State Parole Board's caseload of sex offenders is one of the largest in America, mainly due to the advent of Community Supervision for Life (CSL) and Parole Supervision for Life (PSL) sentencing for sex offenders.Prior to the introduction of this sentencing mandate, sex offenders made up less than 5 percent of the State Parole Board's caseload.