What critical resource does the hired bloodhound represent for McBride and Bayliss?

The hired bloodhound is a crucial resource for McBride and Bayliss primarily because it excels at tracking potential suspects. Bloodhounds possess an extraordinary sense of smell and are specifically trained to follow scent trails, making them invaluable in search and rescue operations or criminal investigations. In situations where human scent needs to be traced — such as locating fugitives or missing persons — the use of a bloodhound significantly increases the likelihood of success. This ability to track scents over distances sets bloodhounds apart as essential tools for investigators looking to solve cases effectively and efficiently.

The context surrounding the use of the bloodhound also highlights its importance in law enforcement scenarios, where time is often of the essence, and swift action can lead to higher chances of apprehending suspects or finding individuals in distress.