Hey guys! Here is some definitions I found about 3 dot tattoos

The three dots tattoo, worn either on the hand or near the eye, represents the phrase "Mi Vida Loca," or "My Crazy Life". The tattoo can be found on many Hispanic inmates and does not necessarily mean affiliation with any particular gang. The three dots can also carry religious meaning, representing the holy trinity.

it might not be in the shoulder but the William Blake poem says: 

Tyger! Tyger! burning bright 
In the forests of the night, 
What immortal hand or eye 
Could frame thy fearful symmetry? 

visualize's symbol has an eye
and three dots placed symmetrically form a triangle, which is related to religion and balance

Also, in France, Tattoos of three dots on the hand means "death to cops" (mort aux vaches) and as we know, RJ has killed some cops..

Maybe RJ was related to a mexican gang? Maybe that's how they he managed to get to that motel in Tijuana so fast.

Also, we know the william blake's poem is very important to the series
And what shoulder, & what art. 
Could twist the sinews of thy heart? 

This to me means that RJ really has that tattoo on the shoulder. So, if in the next episode we dont get to see everyones shoulder, it might mean that none of the 5 are RJ

What the hammer? what the chain? 
In what furnace was thy brain? 
What the anvil? what dread grasp 
Dare its deadly terrors clasp? 

is this a relation to Reede Smith?

What do you guys think?

The only way Walter Mashburn is Red John is if the Tattoo thing is a lie , we seen Walter shirtless before he has no Tattoo so SHUT THE HELL UP WITH WALTER you tards , Sofia said Jay Roth sat calmly in the waiting room right? well look in the next episode all 5 are there look how that wait

So I'm assuming that since the private investigator last night recognized RJ as soon as he came to the door, that we can completely rule out Cho, Jane, & Van Pelt as suspects, since the investigator would have said something if she recognized them at the CBI.

 I think it would be cool if nobody had the tattoo  or if ALL of them did.  If nobody did, consider Kirkland's brother ( beginning to look for who killed Bob), nut if they ALL did, would that not blow your mind. I think the tattoo refers to Tiger Tiger, not particularly Red John ( who I think is against this group.) Just my two cents. :0)

Haffner isn't Red John. Red John is smart. Haffner is an idiot, he gives a hint to Teresa that he's got an arachnophobia (hate spiders), he is connected to the Visualize and Jane and Lisbon know that.
Red John is Michael Kirkland. This theory is plausbile, the other theories are poor and boring for Red John.

Red John is smart likes Moriarty or Jigsaw.

Guys, can you please stop posting theories that are based on anagrams? "The red is me" (Reede Smith) and "'A hack-mind killer" (Michael Kirkland)? Seriously?

Red John is not on the list