I'm not Sherlock Holmes or Philo Vance. I don't expect to go over ground the police have covered and pick up a broken pen point and build a case from it. If you think there is anybody in the detective...
There are people who try to look as if they are doing a good and thorough job, and then there are the people who actually damn well do it, for its own sake.
(n.) The quality or state of being thorough; completeness.
The trouble with the world was that nobody stopped or took any care.