In a decision, the court concluded that the state, by making an "irrefutable presumption" about adults' behavior based on crimes they committed as teens, violated their constitutional right to due process. Lile and wrote: In Boone County, the process of keeping track of where sex offenders live is mainly handled by the sheriff's Geographic Information System, or GIS, section. This decision barred retroactive application of Ohio's Adam Walsh Act to those whose crimes predated the law's enactment. Cole County deputies to conduct sex offender checks on Halloween Cole County deputies to conduct sex offender checks on Halloween October 30th, by News Tribune in Local News Related Article Read more Cole County Sheriff's Department deputies will travel throughout Jefferson City and Cole County on Halloween — not to trick or treat, but to verify that registered sex offenders are complying with Halloween restrictions. Florida[ edit ] Florida passed a law that mandates law enforcement to notify the public of "sexual predators". The new requirements also pertained to people who already completed state supervision.