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Sex offender registries in the United States |
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The constitutionality of sex offender registries in the United States has been challenged on a number of state and federal constitutional grounds. While the Supreme Court of the United States has twice upheld sex offender registration laws, in 2015 it vacated a requirement that an offender submit to lifetime ankle-bracelet monitoring, finding it was a Fourth Amendment search that was later ruled constitutionally unreasonable by the state court.
State constitutional challenges to certain aspects of registration laws have generally been more successful, although the grounds vary by state.