My friend used to get it a couple years back but we can't remember what it was called.
The only thing we remembered was the guy was maybe a detective and he used a camera, it may have had some sort of powers. But the camera was definitely a big thing.
does this sounds familiar
-- Menji~ and you could write a Bad Romance http://img686.imageshack.us/img686/508/badk.gif
It starts out pretty cool (if you like its extreme content - only anime I can think of with a sexually tinged tooth pulling scene), but it goes in a bit of an awkward direction towards the end.