The Arkansas Crime Information Center provides the Sex Offender Registry Search. The registry is updated as offender addresses and other information is. Oct 13, - There are four levels of sex offenders under Arkansas law. The levels represent the likelihood the offender will re-offend, with 1 being the least likely to re-offend and 4 being a sexually violent predator. Sex Offenders in risk level of 1, 2, or 3 are required to re-register at the sheriff's office every 6 months.