Types of dogs used:
Many different breeds are used, depending on the job which needs to be done. The five most common are listed below.
Belgian Malinois - These dogs are generally dual purpose dogs, certified in patrol as well as scent detection.
Bloodhound - Single purpose tracking dogs which can be used for tracking felony and misdemeanor suspects as well as missing children.
Dutch Shepherd - These dogs are generally dual purpose dogs, certified in patrol as well as scent detection.

Labrador Retriever - Single purpose scent detection dogs.
German Shepherd Dog (GSD) - These dogs are generally dual purpose dogs, certified in patrol as well as scent detection.
