Sex OffendersSgt. Mark Dorsey
Sgt. Mark Dorsey is the State of Illinois designated "Point of Contact" for the Alton Police Department's sex offender registration and public notification. Sgt. Mark Dorsey maintains records on all registrations and makes a weekly public listing of all registered sex offenders residing in Alton and throughout Madison County. For information on sex offender registration or to set up a informational meeting to learn more about this law, call 463-3505 ext. 238.
The Illinois State Police provides an online listing of sex offenders required to register in the State of Illinois. The database is updated daily and allows searching by name, city, county, zip code, compliance status, or any combination thereof. This list is maintained at the following link.