In response to California's passage of Public Safety Realignment-Assembly Bill (AB) 109, post-custody supervision of many offenders sentenced to prison has been shifted from the statewide Department of Corrections and Rehabilitation parole division to county probation departments. Additionally, some offenders who previously would have served a custodial sentence in state prison now serve that time in local jail custody. Through focus groups, the authors examine how the IBIS model of evidence-based supervision being employed by the San Diego County Post Release Offenders division is being integrated into supervision of this expanded population.