It's not valid confirmation- the doc said this. He is working on a diagnosis and wasn't sure he was distinguishing between Alzheimer's and CTE. On death, he e

It's not valid confirmation- the doc said this. He is working on a diagnosis and wasn't sure he was distinguishing between Alzheimer's and CTE. On death, he examined the subject and it was CTE. He's just announcing that result to those following the story. There's a lot more testing to do before he can claim diagnosis.