The Does v. Snyder case in Michigan was a huge victory earlier this year. The 6th Circuit was the first court to rule that the sex offender registry is punitive. This ruling has potential to influence sex offender policies nationally and give credence to future ex post facto challenges of the registry. SADO (Michigan State Appellate Defender Office) has put together a resource of information describing the substance of the ruling and its potential effects.
Check it out: