But he is still not a detective by any reasonable standard.
He is a chief example of people being promoted to their level of incompetence.
That's like saying the guy in a McDonald's kitchen is a 'cook'.
So what you're saying is that while Dirty Harry is a detective, he's not eligible for this question because he's not good enough.
He got the bad guy didn't he?!
Granted, with a bullet. But bullet, deductive reasoning - doesn't matter, they're all going to the gas chamber to hung.