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Origins & Framework
- Jacob Wetterling Act (1994)Precursor encouraging state registries; later supplanted by SORNA.Context: Initially law-enforcement–only; broad public notification arrived later via Megan's Law.
- Megan's Law (1996)Required community notification / public access.
- Adam Walsh Act / SORNA (2006)Established federal baselines; expanded scope & offense-based tiers.
- Smith v. Doe (2003) — retroactivity & "civil" label
- Does v. Snyder (6th Cir. 2016) — punitive-effects analysis
- Packingham v. North Carolina (2017) — social media & the First Amendment
Reminder: Courts originally treated registries as regulatory. Newer decisions examine whether modern restrictions function as punishment.
