Behind razor wire and locked metal doors, hundreds of men waited on a recent morning to be counted. But this is not a prison, and most of these men — rapists, pedophiles and other sex offenders — have already completed their sentences.

Behind razor wire and locked metal doors, hundreds of men waited on a recent morning to be counted. But this is not a prison, and most of these men — rapists, pedophiles and other sex offenders — have already completed their sentences.