I know Bruno heller says it isn't Jane but I have my doubts.

Looking at episode 2 season 6 last night. -who gave Patrick notification to go to the crime scene? He is not a CBI agent so he does not get "assigned to a case. He tags along with Lisbon or whoever she tells him to go with. He was obviously there before Bertram and no other member of his team was shown at the scene. So how did he know where to go.

He also calls Lisbon "Theresa" often. Could be the alter ego records messages to send to Patrick.

It also seems he figures out who the latest victim is before they are discovered , ( his shrink , and others I canT recall names of).

I have always thought he was pulling off the ultimate con and is indeed Red
John