It's a good game overall. Very good graphics and epics soundtracks that are thriller. But I think the cases you solve could be harder. In the first spot It seems that you need to search all scene to find things to help you solve the puzzle, but it isn't really necessary.
The only different thing I've found was a granade, and the only use for that granade was throwing it in a river and seeing it blowing up =s.
Furthermore the story ends suddenly and it seems has not ended yet.
But as I said, It's a good game overall.