Final answer:
Dupin's use of the personification of truth explains a problem with the police's way of looking for the murderer. The police only consider their own ideas of ingenuity and search for hidden items based on the modes in which they would have hidden it. However, Dupin argues that the police fail to consider that criminals may have different levels of cunning and may hide things in ways that are not typical.
Step-by-step explanation:
Dupin's use of the personification of truth explains a problem with the police's way of looking for the murderer.
The police only consider their own ideas of ingenuity and search for hidden items based on the modes in which they would have hidden it.
However, Dupin argues that the police fail to consider that criminals may have different levels of cunning and may hide things in ways that are not typical.
By personifying truth, Dupin suggests that the police need to think outside their own perspectives and consider alternative methods of investigation.