Complex sentence: John Doe I and II were convicted of aggrivated assualt before the Acts passage and filed suit claiming the Act was punitive and violated the Ex Post Facto Clause of Acticle I of the Constitution.
Split into simpler sentences: John Doe I and II were convicted of aggrivated assualt before the Acts passage and filed suit. They claimed the Act was punitive and violated the Ex Post Facto Clause of Acticle I of the Constitution.