Although I've said before that Caché's main plot is NOT about who the perpetrator/s of the videotapes is/are, I still like to give my two cents on who might be responsible for the tapes.
(WARNING: Possible spoilers ahead.)
I think these people are the...
(Seriously, you shouldn't read ahead if you still haven't seen the film.)
...these people are the ones that could be responsible for...
(You're still reading. Watch the film first.)









