What is the role of a K-9 unit in law enforcement?

The role of a K-9 unit in law enforcement primarily involves assisting in the detection of drugs and explosives. Dogs have an acute sense of smell that allows them to identify specific scents associated with illegal substances and explosive materials. This capability makes K-9 units invaluable during various operations, including traffic stops, searches of public areas, and the examination of vehicles and buildings. Their training is also tailored to recognize the distinct scents of different drugs and explosives, which enhances operational efficiency in law enforcement efforts aimed at maintaining public safety and preventing crime.