Red John is Reede Smith.
He is the least likely suspect on the list and we know how to expect the unexpected on The Mentalist.
Also the play on the names Reede Smith and Red John.
Reede is derived from "Reed" which means "Red"
Smith/John is a generic name sometimes representing "everyman" or "the average person."
Why would a guy who only acted in 1 episode and have a 10-15 min role be on Janes 7 main suspects list unless..