I would say that Maigret is a kind of psychological detective : even if there are clues and detective work, his main characteristic is that he tries to get to t

I would say that Maigret is a kind of psychological detective : even if there are clues and detective work, his main characteristic is that he tries to get to the bottom of the personnalities he encounters, what motives drive the criminal and who they really are, so he is more concerned about the "why" than the "how".