Why doesn't Jane simply record the voices of all the 7 suspects (without them knowing) and play it to Rosaline , as she had sexual relationship with RJ and talked to him she might recognize his voice.
I think RJ is the one who looks more likely to be not.For example Bob Kirkland- we think that its too obvious that he's Red John, but think about it - when Bob asked the man in the hospital if he recognizes him, the man said no.Maybe RJ has made a plastic surgery , but he still improves his new voice and act so he wanted to know if hes doing it well by asking the man if he knows him.The man said no and RJ doesn't need him anymore so he killed him before he could tell PJ Red Jone's previous identity.There was no smiley face because the nurse knew who is the only one who had entered in that room.So RJ made sure it doesn't look like a murder and especially from him.

I found something awesome...

reading a theory on this site about the episode "His Red Right Hand" made me renember a book I that I saw a time ago.

This one

http://www.normanpartridge.com/fiction14.htm

I couldn't find the BOOK, but he was wrote by "Norman Patridge".

Considering the image of the killer looks like Patridge and there are many tricks of Bruno Heller with us, this could be a message that the right hand of RJ is Patridge.

What do you think?

When jane first met Bob, he looked at him suspiciously and asked him I f he knew him. Bob answered by saying that he knows him. And then they shook hands and there was kind of an emphasis on that handshake. The following episode , jane learns that he shook hands wiyh red john. Also in the 99th episode we can see bob kirkland talking to the head of the fbi telling her to talk to the head of the cbi to keep updated on janes work in the red john case

Red john knew patrick list BUT never said that he is on the list .