Welcome to the Suffolk County District Attorney’s Office in New York. Under the leadership of District Attorney Raymond A. Tierney, the Office works on behalf of the residents of Suffolk County to investigate and prosecute violations of state and local criminal statutes that occur within our County. The District Attorney’s Office comprises more than 300 prosecutors, investigators and support staff who work tirelessly to serve justice, to protect victims, and to ensure safety for all Suffolk County, New York residents. No one is above the law.