Lawful Witness.

I heard a healthy debate on the radio this evening while commuting home.  It involved this case and the question was whether it should be lawful to witness a crime, particularly a violent one, and not report the incident to authorities.  I definitely believe we have a moral obligation to humanity; call me naive, but I hope most people would feel the same way.  With that said, I do believe it should be a crime to stand by and watch on as a young woman is raped and brutally beaten.