The ACLU of Northern California (ACLU-NC) and EFF filed a federal class-action lawsuit to block implementation of unconstitutional provisions of Proposition 35 – a ballot measure passed by California voters that restricts the legal and constitutionally protected speech of all registered sex offenders in California.
https://www.eff.org/cases/doe-v-harris?type=document&field_document_type_tid=All&page=2