Although I'm a proponent of decriminalizing marijuana, I find the heavy-handed preaching in this episode annoying. I would rather have seen valid arguments from both sides instead of having everyone on the same side.
As far as "who dunnit," I knew as soon as the kid said in the first interview that he won that specific writing award. They never include specific information like that unless it's going to be pertinent to something in the case. When Bones and Angela were building the murder weapon, I said out loud, "And I bet it's the shape of that writing award." Yup. Predictable.
It was good to see Wendell again. I also thought it was predictable that Cam had to fire him. I live and work in Washington state where pot is legal, but using it is still grounds for dismissal at most workplaces. I honestly didn't know the laws about the use of medical marijuana, but I can see Cam's point. Whether it *should* be that way is debatable, but federal facility aside, she has to be concerned about cases being thrown out. I was really surprised (but glad) he could be rehired as a contractor.