Detective Division
Commanding Officer - Detective Captain Patrick McCormack
Executive Officer - Detective Lieutenant Dominic Monaco
Major Case Coordinator - Detective Lieutenant John Marello
(914) 377-7724

The Detective Division is charged with investigating all felonies, serious crimes, and provides instigative resources and support for the Field Services Bureau; that support includes post arrest assistance, crime scene and evidence processing, forensic analysis of drugs, case enhancement, and the maintaining of criminal files.

Major Case Unit 

There are three Major Case Squads within the Detective Division, each supervised by a Detective Sergeant. The Major Case Squad are the initial investigators and are charged with investigating all types of criminal conduct, including homicides, felony assaults, robberies, and more.

Special Victims Unit

The Special Victims Unit was originally created in 2001 as a Westchester County entity. It was formed to combine the experience, resources and abilities of the Department of Social Services, Law Enforcement Agencies. The County Attorney Office and District Attorney's Office in an attempt to provide the most comprehensive and effective investigations possible for the coordination and intervention of all appropriate child resources and victim and family intervention services.

Financial Crimes Unit

The Financial Crimes Unit is responsible for investigating incidents of identity theft and credit card check fraud. This unit works closely with banking and financial institutions as well as State and Federal Law Enforcement Agencies.

Cold Case Unit

The Cold Case Unit reviews unsolved homicides and investigates those that due to recently revealed evidence or progress in forensic technology, may be solved by the investigative process. View some of our Cold Cases here.

Digital Forensics Unit

The Digital Forensics Unit assists all Divisions of the Department in the technical aspects of investigation. In recent years the presence of video surveillance cameras in businesses, personal residences and public locations has increased dramatically. As a result, many offenses are captured on surveillance video, personal video cameras and cell phones. This Unit specializes in retrieving video evidence which is then analyzed and clarified resulting in photos that can help in identifying a suspect or vehicle in an investigation. Audio evidence is also preserved, copied and enhanced by this Unit.

Crime Scene Unit

The Crime Scene Unit (CSU) has numerous duties and functions ranging from latent fingerprint identification, the examination of crime scenes and the collection of physical evidence. CSU is also responsible for maintaining all criminal records held by our agency.

Forensic Science Laboratory

The Forensic Science Laboratory performs qualitative and quantitative analysis on all illegal narcotics seized within the City of Yonkers. The Forensic Science Laboratory also conducts enhancement of latent fingerprints on various items of evidence.

The Forensic Science Laboratory is fully accredited by the ANSI National Accreditation Board (ANAB) to the ISO/IEC 17025:2017 testing program.