Detective Sergeant Mathew Kiernan is the Commanding Officer of the Detective Division. Detective Sgt. Kiernan is a graduate of Tuckahoe High School and has completed countless law enforcement and investigative courses, including, but not limited to, Criminal Investigator Certification, Juvenile Investigations, Computer Crimes, Homicide and Death Investigations, Sex Offender Management, Child Abuse Investigations, DNA Collection, Narcotics Investigations, Legal Updates, amongst many others.
The Detective Division conducts all criminal investigations relating to crimes against people and property, working diligently to make sure that criminal complaints are properly investigated, and criminals are brought to justice. Additionally, the Detective Division is also responsible for records management & technology, and coordinating youth and senior programs.