Collection of thoughts.

Firstly Sheriff is the only suspect Patrick has given specific time to encounter and persay investigate. Well besides going to talk with Kirkland but I believe he had some other reasonings behind Kirkland and he knew Kirkland was not Red John but as we found out also after RJ. Saying this Sheriff is the only one Patrick has gone out of his way to put himself around and observe , I mean he went and took over his crime scene.

Now as I am sure you have read many theories on here and we all know there are all kinds of bones thrown at us each week. But we have to step back and ask a very important question. Who is the smartest person on the show? Who knows the most about Red John? Well Patrick of course! Bruno especially this season is throwing our eyes in so many different directions and we are so caught on certain things or certain people. Are we really observing the most important piece of the puzzle? JANE? What is Jane Doing? What can we draw from his actions and words? Are we so busy chasing pigeons or whistlers and guys that fit the exact descriptions or are we paying attention to the one who KNOWS the MOST?

After thinking on this I think there could possibly be more to Sheriff. For one again Jane has payed the most amount of attention to Sheriff. Think if all the other suspects and how creepy Bruno had made some of theyre appearences yet Jane almost looks past them. He skips over Partridge , he doesnt dwell on Bertram or Reede but who goes out of his way to get himself in direct contact with SHERIFF and to watch and observe him work.

Upon this we also saw some very key things about the sheriff. For one we learned he has a very keen and gifted investigated instince like JANE when observing a victim. Ahhh more than meets the eye. And then at first we have always gotten the idea the Sheriff did not care for Jane oh but the ENDING we see a different side of SHeriff than ever before. So we are tossed around and we think oh it cant be him he acts afraid of heights , but then hes on the roof . WAIT a minute. Well this could perhaps show he has the ability the DECIEVE. So I am not fully saying Sheriff is REd JOhn but I find him most interesting lately and he can be very easy to skip over. 

Also hes a very skilled hunter..... RJ left a pigs head in one of the episodes....

So whether or not my hunches are right. I encourage everyone pay attention to JANE the smartest and closets man to finding the real RJ. Can most of these other trails just be magican assistants with the purpose to leading us off into rabbit trails. Whats Janes paying attention to?

Just a few observations:

McAllister
Shakes hands with right hand
Shoots with right hand

Helps Jane up with left hand

RJ
Uses remote control with right hand
Draws smiley with right hand

Drinks tea with left hand
Poisons Rebecca with left hand
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Just think it's interesting that both McAllister and Red John appear to be ambidextrous!

I actually don't like coming to this website anymore because of the people who post their theories about Patrick Jane being Red John.
When I read these silly posts it's like a comedy site, a Mentalist parody!!  
STOP it people, Patrick Jane is NOT Red John!! There are hundreds of reasons why he can't be!!
You are not paying any attention to the program!! So tiring, just stop it already! 

So we already are two suspects down.
Here are my thoughts on two of them:
Reede Smith - I don't believe its him because Red John would not have gone out of his way too shoot Bob Kirkland... I think it is just way too risky
Gale Bertram - In the season 3 finale, when Patrick gave all the suspects different room numbers Bertram and Craig, were both suspects at this time, and they would have conspired had they known they were given different room numbers, therefore it can't be Bertram

The other three, im still trying to work out.

Some nice theories on here and at this point a good case can (and has) been made for each of the remaining 5 candidates. If I may add one more...

By the way, who made this web site? I'll come back to that...

Here is the case for 'Red Tom'

1. Has been there since the start - would be a sign the writers had a firm plan from the beginning. No matter how many seasons the show ran they could always wrap up the story. A nice device.

2. Ticks the 'where's waldo' comment made by Heller. How many times in an episode have little comments been made about a local Sheriff has 'informed the family' or 'forwarded information' etc

3. You'd pick a established actor for those upcoming scenes where we see the RJ drop his guard and show his real self. Xander Berkley is quality. Has the right amount of potential menace in him.

4. Leftie Pigeon hater... you know the rest.  

5. This web site... look at where the smiley is... he's right in the middle. next to him on the RIGHT, his right hand man: Reede Smith. To his left... his Father, Bret Stiles (20 yrs age difference). They wouldn't put the answer right in the middle of a site devoted to working out who RJ is would they... surely not :)

Let me know what you think - this is fun :)

Sophie Miller gave a very important clue. He sat in the waiting room comfortably, calmly, wasn't annoyed or anything like that.

That clearly matches with the Sheriff's personality. Remember when Jane came in the room where he had a meeting with Bertram and Smith. Sheriff sat there calmly, like he has everything under control without showing it on the outside.

Guys the clue that Heller was talking about from the second episide is infact two clues. One was the hand red john used two hold the knife and the second obvious clue was the pigeons.
On episode 3 the sheriff used his left hand to help jane from falling and jane noticed that if you look closely and then there is the music in the background. And look how the sheriff reacted to the pigeon ......we also learn that he is much smarter than he puts out to be, look at the way he analysed the dead guy. Sheriff Thomas McAllister has been there since the beginning and yes he is definitely RedJohn as you will find out. His accomplices were Bret pattridge, Reede Smith, Gake Betram and Ray Haffner( who happens to ask Lisbon if he was tracking the seven suspects? ......