The Litigation Division is responsible for the prosecution of criminal cases in the various courts of Nassau County. Visit one of the locations below for free Wi-Fi, computer, scanning and telephone access to complete and file court papers or appear for virtual hearings.Fill out the form below to receive a free and confidential consultation. Fill out the contact form or call us at (631) 352-0050 to schedule your free consultation. The official Instagram account of the Nassau County District Attorney's Office. 262 Old Country Road, Mineola, New York 11501. nassauda. The Appellate Law Office of Stephen N. Preziosi focuses on criminal appeals in all courts in Nassau County, New York. The man accused in a wrong-way crash that killed two teens on Long Island pleaded not guilty. Our Committee investigates complaints against attorneys with offices in Nassau and Suffolk. A criminal court order of protection can only be issued against a person who has been charged with a crime.