The Law Enforcement Division is a professionally trained, positive, customer-focused organization providing the community with 24-hour police support to maintain good order and discipline, safety and security for all those who live and/or work at Fort Huachuca.

The Military Police Investigations (MPI) Section is usually responsible for the investigation of crimes, such as crimes against property under $5,000 and crimes against persons except murder and rape (handled by the CID) committed on a military installation, but they may investigate other crimes in certain circumstances
The mission of the Traffic Section is to promote safety for all citizens through, education, engineering, and high-visibility, proactive, traffic enforcement. The primary goal is the prevention of personal injury and property damage due to unsafe road conditions and traffic collisions.