At no point did he stand up and defend his staff. He allowed them to have their future potential hurt by such a environment that they couldn't be trusted, nor any other person working for the Justice's. Now, he puts his character out there saying he knows he did it, and didn't report it. He's a loser.
“...report it...”
He appears to be withholding his conclusion based on the facts that the investigators were able to uncover.
Not that he is withholding any salient facts.
You are being way too tough on Alito IMHO. Which makes you Epps-like.