Is there a law being broken?

http://www.hindustantimes.com/news/specials/tabloid2004/SmutGlut/SmutGlut-allahabad.htm

The video in question is online, now going beyond extradition etc.
Is there a law broken when one watches a video that one or more parties didn’t know was taken? The photographer is obviously in the wrong, but what about those that watch it down the line?