He used employer's equipment and his employment time to commit the offense. He had no legal right to do any such thing.There has to be more to the story. I can't believe he would not be able to sue and clean up after this.
It seems the Guardian was the one who traced the e-mails back to the donators.
This is acceptable....why ?
Because it might give someone the idea that a police officer could be biased about enforcing the law.
If you can't show he actually practiced bias, why would you even care.