Fahsing point outs that criminal investigations are generally abductive rather than deductive. “Try to eliminate as many explanations or lines of inquiry as you can. Just like in science, theories can be truly tested only through falsification.”
Computers require complete data to come to a correct conclusion but humans often work very well with incomplete data.
Larson explains what he hopes to convey to the reader about the limitations of Really Big Computers.
Abduction is the kind of reasoning ID uses.