I'm a believer in direct supervision. I've worked in both linear/intermittent surveillance and direct supervision and have seen first-hand the numerous benefits of direct supervision.  The philosophy of expecting positive behavior begins at booking.  As the housing officer interacts with inmates and continues to influence positive behavior, many benefits are realized such as less violence and vandalism.  Read more about the agencies that have embraced this powerful inmate management, supervision, and construction style in the Direct Supervision Jails: 2006 Sourcebook.