If it's partridge, then it would be the cheapest ending ever.... 

Ray Haffner walks a little bit weard hah? Kinda pyscho check 6x5 

I am betting that the tattoo the PI told Jane about is on more than one person. I bet it is a Visualize tattoo and Haffner, Stiles and possibly others have it on their arm. 

Nick Nordella will play in the episodes 7 and 8 and he extremely looks like Haffner, nose ,lips ,eyes ,HAFFNER IS POSSIBLY RED JOHN GUYS 

The three dotted tattoo is a prison tattoo whitch means : I don't see anything , I don't listen anything and I don't say anything and its a promise to a special group !
And we know that Red john was in the Prison

i think on the list everybody somehow connected to Red John, but neither of them is him. I am starting to think about what if is Van Pelt father. He is or was a football coah or something and we saw that one of the clue was to RJ was the football statue. Van pelt was the crazy boyfriend maybe was his father behind it. Grace has red hair and her name is means mercy, and the Van Pelt is holland close to german, and red is rot in holland too. The tiger tiger...poem is a child poem, sound like somebody used to sing to someone, and in the poem there is a line which says i don't remebre exactly but somewhere i heard that somebody made the beast and the nice one..so that might be related, so he is talking about his children. 
And i think Jane and Van Pelt are related and might be their father is the killer. Jane hasn't know about his father since he ran away from the circus, that might be possible that his father started fresh and settled down with a new family as a coach.

since the actor Nick Nordella  is playing young red john could we asume, since he has blue eyes that red john also has blue eyes ?

which wil rule out gale betram ?