Never, because shooting somebody is breaking the law and murder.
Looking is not against the law. If he simply notices this, and she wasn't trying to be indecent or violate the law, then neither are breaking any law. She may be arrested for indecent exposure depending on the circumstances if someone reports the situation to the police. However, such exposure could be accidental, and the police may just warn her.
YES
If someone is taking something that doesn't belong to them it is breaking the law. This is known as stealing.
Breaking the law is always wrong in the eyes of the law. Breaking the law for a greater good or individual belief may be morally right, but it is not a defense recognized by the state.
Such a person would be an accomplice or a partner in crime.
The closest thing I can think of is "moral law-breaking." It's not a word, more of a concept, I guess.
The only person who can legally do anything about copyright infringement is the rights holder or his/her designated agent. That is who you should inform.
breaking the law would constitute a criminal case.
You are not legally required to do so, HOWEVER - if you are assisting them in some fashion and could be charged as "aiding or abetting" them in their breaking of the law.
criminal
Illegal