I don't know who told to you all that it was personally RJ, who killed that girl in 6x5 episode, it would be really silly.
It could be anybody hired by RJ.
So the end of 6x6 was pretty predictable:
1. There should be several persons with dots on their shoulders
or
2. There should not be a single person with dots on their shoulders
There are 3 questions left for me:
1. Who and why blew up PJ's house ?
Another trick from PJ ? Really ? Do you think that RJ is an idiot ?
[sarcasm] First he would come for a cup of tea to Patrick's home with everybody from RJ's and PJ's list of suspects - oh there is no RJ, then lets blow up everything here, maybe he will think that we are all dead and will come for a cup of tea to CBI ?[/sarcasm]
2. Who survived ?
Actually it is obvious that PJ didn't kill anyone, just wondering.
3. Final question - how many persons with dots in Lisbon's team.
Rigsby and Van Pelt both have that tattoo or both haven't coz they saw each other naked.
Cho don't have dots i am sure.
Teresa obviosly have that tattoo (I'm sure, that this is the main secret of the end of the season, and we will see it soon) I will be very disappointed if i'm wrong
I'm sure, that we don't understand who RJ is. So no happy end this time, just a big question.