i'd like to see it happen. because i don't want the game to disappear. >> surely this crop of players sees what has happened to their elders, those in their 60s and you spend lots of time in the locker room. how worried are they? >> they are worried. just this week the boston university people and the mckeon company who have been studying this very closely say they may have discovered a biomarker, which would allow you to detect cte in living humans. at present you can only detect it through an autopsy. and many of those autopsies reveal that there's an alarming extent of cte among former players. yes. they're very concerned about it. >> as an attorney, i look at the aaron hernandez case, we now know because of the post mortem analysis, that he was stage 3, 3 out of 4. >> and he was only 27. >> he was only 27. had we known that, had the legal system known that at a time he was going through the process, it could have impacted the outcome of that case. >> i guess, you're a lawyer and