Partridge in my opinion is unlikely. Jane reads him like a book when they first meet, but yet struggles to figure out RJ. Jane instantly realises this man is physically turned on by murder which could be a plausible reason to be RJ. Lets not forget Red John has friends, a man of Partridges character is far from like-able or friendly. He is also too young.
Mashburn, well over 6ft tall. Has the power, fame and charm to sleep with a vast number of women so why sleep with Rosalind? I think the chances of him being Red John are really slim.
Brett Stiles. A man with mentalist power, connections in law enforcement, an intellect comparable to Red John and also not afraid to kill people/get them killed. BUT. Red John has a ritual, where as a murder Stiles is guilty for was nothing like Red Johns MO. Brett Stiles is also a very identifiable person, Rosalind would have mentioned Roy was very old, spoke very posh and is losing a considerable amount of hair.
Minelli. Joined the CBI soon after Red Johns mistake. Very like-able person, seems very soft and lovable. Loves to drink tea/coffee. He's the only other person in the whole of CBI other than Bosco and his team to know about the body with Red Johns mistake. He quits after the evidence against Red John is destroyed. After he quits, Red Johns personality changes almost as if he's quit too and he's looking for a new game to play. Only someone of really high power in the CBI could access the files and send that video to Van Pelt. He's the only person who knew what Tagliaferro meant. He went away on vacation supposedly to see his sick sister, shortly after that we find out Red John has built this hideout. His concern for Rosalind is clear and the way he holds that stuffed elephant is almost as if it means something to him. He's under 6ft tall, not weak but not muscular. Called Jane nuts when he said he had the upper hand on Red John.
Surely Virgil is RJ, No?
Virgil Minelli is an Italian name. Tagliaferro is also an Italian name.
Google : Dante and Virgil at the gates of hell.
Don't be too surprised when you see who the illustrator is.
