His verbal skills are low because he spent his life hanging out with ganstas who can't talk properly either. They have their own language. You know what I'm saying?
I wonder if there are people on the jury with family members or children of their own who have mental health issues? If so, will they be sympathetic or will they realize that they're really being told that LT is a person of average intelligence with a personality disorder? Just like a LOT of other people who didn't murder innocent children in cold blood to avoid prosecution for killing their mother.