The Suffolk County District Attorney's Office, led by District Attorney Raymond A. Tierney since January 2022, is dedicated to fostering a safer community through justice and public service. With over 30 years of prosecutorial experience, Tierney emphasizes ethical law enforcement and community collaboration to address crime and support victims. The Office provides an array of services designed to assist the community, including victim support programs, educational initiatives for youth, and resources for defense attorneys navigating active criminal cases through a dedicated discovery portal.

Additionally, the Office addresses the needs of victims by offering compensation services, court assistance, and matter reviews for convictions in Suffolk County. Committed to transparency, the Office encourages public engagement via FOIL requests for accessing records, and actively seeks community input to help solve cold cases. Through community investment and advocacy, the Suffolk County District Attorney's Office strives to build a safer environment for all residents and visitors.