The title of 5x08 episode, focused on Red John and Lorelei Martins, Red Sails In The Sunset, is the anagram of "Hunts Ardiles, it's seen". Heller says: "See the White Whale"
He works in court (Cut iron). Tagliaferro ,alias of Red John, Also known as Cut iron. Cut iron is the anagram of "in court".
His name O. Ardiles, is an anagram for "A soldier". Loralei tells Jane that Red John views him as an "old comrade".
I know that he works alot and has no time to be Red John but it makes sense to me