I do not mean to sound condescending....but
It is Ellis Mars...
Have you ever thought about why Timothy Carter was cast because he is almost a twin of Mars...
Really, look still them side by side...Mars is the true payoff that we've been asking for...a where's Waldo type that will tie all of our loose ends up...
He is Mar = Mars
"Please excuse my brusqueness"!!!!! Reread the letter posted on Jane's daughters door again...the dialect is identical to Mars..."worm"
The other suspects are all flawed and we are enjoying the process...but a true RJ payoff will be something weaves through seasons 1 thru 6. Not writing as we go!
We'll see!