Did he fail trying to achieve his goals, proven wrong or simply reached a conclusion from his investigations about crimes that may have been commited and there is not "winning or losing" or that he was actulaly proven wrong about anything.
All he is doing is investigating, not trying to make anyone guilty who is not.
Investigations reach a conclusion after looking into things their experienced mind are suspicious of.
Often the public criticizes doctors in the field they practice in, that is simply an absurd joke. Most people know just about nothing about medicine.
I feel this is the same when it comes to investigations. People watch the news, know absolutely nothing about investigating yet say, "it's a hoax" what the hell do they actually know? J8st about nothing.
Would you say he therefore lost anything, or just finished doing his job?