[JLS]

"Four guards were needed to lift the 117-pound Williams from his knees and pry his hand off the edge of a table before carrying him into the death chamber. As he was strapped to the execution table he cried, "I'm not guilty. God, help me."

So much for the mental retardation claim. Sounds like he understood what was going on pretty well to me.

[Bonaparte]

Or to gave a darned good imitation of understanding. At link in post 4, his lawyer said it was all because his mommy didn't love him enough.