The Missouri State Highway Patrol is required by state statute to maintain a statewide database of persons registered in Missouri as sex offenders (RSMO 589.400 - 589.425) and provide information on these offenders in a public website (RSMO 43.650). The Missouri Statistical Analysis Center maintains the Registered Sex Offender (RSO) public website and supports design modifications, legislative updates, geographic data mapping, and data interfaces to county registries and the National Sex Offender Public Registry. The Missouri State Highway Patrol, Criminal Justice and Information Systems Division maintain the Sex Offender Registry and sex offender information while verification of registrants is the responsibility of chief law enforcement officials (CLEO) in resident counties of sex offenders.