Explain The Principle of Legality and comment on whether it is just not for those who are the first to commits a new crime to not be prosecuted Contrast the Theories of Criminal Punishment and explain which one you identify with

Questions to answer in paper
Explain The Principle of Legality and comment on whether it is just not for those who are the first to commits a new crime to not be prosecuted Contrast the Theories of Criminal Punishment and explain which one you identify with.Often times recording of crime are seen by the masses within minutes of the incidents. How does that reconcile with the Presumption of Innocence that every defendant is supposed to be entitled to?