The following sections make up the Law Enforcement Bureau. Within this bureau can be found Patrol, Criminal Investigation, Narcotics, Crime Prevention, Health and Safety, Tactical Operations.
Foremost is the Patrol Section which is responsible for responding to calls for service from citizens, conducting preliminary investigations of criminal violations, and detecting and arresting those who violate the law.
The patrol staff assists stranded motorists, provides traffic control, and aids other law enforcement agencies in times of crisis.
Patrol is the most highly visible operations of the Collin County Sheriff's Office in the community.
Criminal Investigation & Narcotics
Staff assigned to the Criminal Investigation Section investigates reported criminal offenses by gathering evidence, collecting statements and preparing all paperwork necessary to file cases with the district attorney's office.
The Narcotic Section investigates violations of controlled substance laws, particularly those involving illegal activities of career criminals.
Also within the Field Operations Division are the Tactical Operations Team and the Reserve Unit.
The Tactical Operations Team is a group of specially trained officers who respond to high risk situations, including barricaded suspects, narcotics raids, hostage situations, and searches for suspects, evidence, and lost individuals.