That would depend on whether you are dealing with legal or lawful. With law, there are three things required to prove a claim,
1) Guilty mind - did you want to cause harm,injury or loss?
2) Guilty act - did you actually do the thing you are accused of?
3)Body of proof - what evidence is there - broken window - dead body etc?
All three need to be proved for a guilty verdict in court of law. In a common law court, you are innocent until proven guilty,

In an administrative court, with acts and statutes, you are automatically guilty until you prove your innocence. Here the burdon of proof lies upon the defendant to prove their innocence. eg speeding fine..Not knowing the difference between the two courts and which jurisdiction you are in can be tricky as a judge or magistrate can run both courts at once and will automatically assume default to legal and not lawful. For the act or statute to be applied by the court, the court requires your consent. Hope this helps a little :)