Law enforcement officials on patrol during Trick-or-Treating Sunday

MILWAUKEE -- Halloween is a potentially dangerous time of year, with children going door-to-door Trick-or-Treating. As costumed children sought candy on Sunday afternoon, October 28th -- law enforcement officials also rang doorbells, making sure registered sex offenders were in compliance with the law.

Milwaukee County Sheriff's Detective Alex Martinez was one of several law enforcement officials making their rounds on Sunday afternoon during Trick-or-Treating -- working to help keep kids safe. Sheriff's officials teamed up with parole and probation officers for the patrols.

"It's a nice time for us because we get to see the kids and get to interact with the kids," Detective Martinez said.

According to the law, registered sex offenders cannot participate in Trick-or-Treating.

"The house can't be inviting to the children. There can't be any decorations, and nobody passing out any candy. The porch light can't be on," Detective Martinez said.

Officials also check for other violations -- such as alcohol and drug use by those on probation or parole.

"For the most part, everybody's been good and compliant with the Trick-or-Treating Initiative,"

At one offender's home, the front gate was locked and a sign was posted on the front door that said: "No treats here."

There were no issues during patrols while FOX6 News tagged along, but Detective Martinez and his team have a message for families who plan on celebrating Halloween.

"We don't want to scare anybody or the kids, but if anything looks suspicious or doesn't look right, go to the next house," Detective Martinez said.

Law enforcement officials will continue to stop at homes of sex offenders through Halloween on Wednesday, October 31st.

CLICK HERE for additional information via the Wisconsin Sex Offender Registry.