If anyone wants to get inside the crazy mind of Wayne Rigsby watch the two episodes with his dad in them as well as the high school reunion episode .
I know someone will argue and say just because someone had a bad childhood does not mean they will be serial killers ..but Rigsby had it bad as a kid and the writers wanted us to know that so it matters.
His dad beat him and messed with his head. "Weakness is in the eyes boy" which reminded me of the red john smiley face bleeding from the eyes.
His dad uses a small knife just like red john. And when Rigsby watched his dad wip out the knife you could see Wayne's eyes fill up with fear. The apple does not fall far from the tree.

I know its hard to prove that Wayne was actually Derrick Logan but it may be true.
Firstly Rigsby made GVP take his place in that episode .
Rigsby was overly curious about what it was like there .
He knew Gabe Nylands secret flight patterns that were private !
He looked like Derrick Logan .
Derick Logan was bound and tied up with black tape by a popular girl.
Red john bounds and ties women the SAME EXACT WAY!
Red John is basically killing the same female bully over and over again in a sense ..
The story goes that Derrick Logan committed suicide but maybe he joined Visualize and got clean.
Again, its all speculation but dam good speculation.