From wiki:
"Reed" is commonly believed to be a nickname-derived surname referring to a person's complexion or hair being ruddy or red.

Etymology and history
Although the name is derived from a common occupation, many later Smiths had no connection to that occupation, but adopted or were given the surname precisely because of its commonness. For example:It is common for people in English-speaking countries to adopt the surname Smith in order to maintain a secret identity, when they wish to avoid being found. Smith is an extremely common name among English Gypsies; see also John Smith

Be warned, this is as much a spoiler as it is a theory. 

Bruno Heller is not a moron. Here is why Patrick didn't take the recording of the list's voices to Rosalynd Harker. When he was showing the video of Lorelei reading the list to Lisbon, he got a case from Bertram on the SAME DAY. On the SAME DAY, Patrick finds out who Redjohn is. Conjecture? No. Am I going to type an explanation either? No. 

I've seen this theory link posted like 200 times. Sorry to pee anyone off but here is the full spoiler.

http://www.whoisredjohn.com/See-a-theory-Red-John/6373

Just a question....for fun...answer with like and unlike :) Will you continue watching The Mentalist if RJ really is an organization as we saw it in last episode? 

The show has becoming more and more silly! Already after season four one could forebode that there would never be a good ending to this series. The Red John story has been going on to long to be able to be tied up in a intriguing way. The creators became too greedy, and now they are becoming desperate.

Very disappointed!

Tyger Tyger... isn't just a code. The first time we hear it is when Red John himself recites the first line of Blake's "The Tyger" to him while saving his life. But why does RJ share this ambiguous info with Jane? Two reasons.

1) He's saying, "I've got your back." The Tyger Tyger ring of law enforcement officers have instructions not to kill Patrick Jane. Maybe RJ thinks he can win him over, and he would relish being able to do that; or else, He really thinks his web is so well woven that Patrick will never catch him and eventually give up, and he relishes in that too. After all, RJ does reach out to Jane, in "Crimson Hat" after Jane pretends to have given up. 

2) He knows that if Jane stays on the trail long enough, Jane will eventually come to know of Tyger Tyger. Once Jane comes to know about the code word he will begin to realize how vast RJ's web of influence is, and be daunted by this discovery.

Finally, Red John makes mistakes... Jane will use this information to ensnare him in his own web.

Just one thought.
Maybe Tyger Tyger organization has nothing to do with RJ, but its just a distraction to confuse us? It just so happened that some suspects are part of the Tyger Tyger.

I have a few thoughts. If anyone likes any of the thoughts please add to the theory since Im not an expert on this.
Ray Haffner first appeared after Jane killed the fake Red John....Whats the significance of this?  Why was he trying to get so close to Jane?  Does it make any sense that Jane would be the only one on the team allowed to stay.
Jane asked Lisbon about him and was told he is an expert on surveillance.  I dont remember him ever asking about anyone else.  Is there any significance to him being an expert on surveillance? Is it a hint that Red John(?Haffner) was watching him up close.

Any connection between Reede Smith name and Ray Haffners real name(actor name is Reed).
Reede Smith - this is a stretch but Reede ( is basically the name Red w 2 extra e's) Smith(most common name like John).  Is it a hint or a stretch