Complex sentence: Upon his release from prison, Reddy was registered as a California sex offender under that states Megan's list his crimes were, ironically, used as the bases to for to enact this law.
Split into simpler sentences: Upon his release from prison, Reddy was registered as a California sex offender under that states Megan's Law list. His crimes were, ironically, among those used as the basis to enact this law.