DAYTON, Ohio (AP) -- A newspaper reports that court rulings and loopholes have hampered enforcement of Ohio's sex-offender law with some offenders able to legally live near schools or day care facilities.

The Ohio Supreme Court has ruled multiple parts of the statute unconstitutional following its passage in 2008 to comply with the federal Adam Walsh Act.

The Dayton Daily News reports ( http://bit.ly/HRzP3a ) that more than eight in every 10 of the 139 adult registered sex offenders in Greene County live within a mile of a school or day care.

Several of those living within 1,000 feet of such facilities do so legally because they committed an offense before a law change or because they owned their house before committing a sex crime.

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Information from: Dayton Daily News, http://www.daytondailynews.com