The Wisconsin Department of Corrections says 200 random home visits were done over the weekend during trick-or-treat times.
Long admitted that some of the more than 50 sex offenders in the county were not happy with the "preventive measure". "I hope you and your children have a safe and enjoyable Halloween".
There are more than 5,600 registered sex offenders in the Milwaukee area.
Meanwhile in Grovetown, located just over two hours away from Butts County, moves to ensure no kids encounter sex offenders on Halloween are also being made.
"I knew it was something that you can look at when you're buying a house or when you're living there, but it's not something I would've really thought about for Halloween night", parent Elizabeth Dietrich said.
Experts say parents should check the sex offender registry for offenders who live in the neighborhood.
Depending on the jurisdiction, high level sex offenders, who are out on parole can not participate in Halloween activities. In the post, Long said the notices were "in accordance with Georgia Law", which states that sheriffs must inform the public of the "presence of sexual offenders in each community". No trick-or-treat at this address!
The men and women in the room wanted to keep their identities concealed, but say they understand why they have to spend Halloween at the probation office.
"The individuals who appear on the following profiles have been finally classified as a Level 2 or Level 3 sex offender by the Sex Offender Registry Board".