The Westchester County District Attorney’s Office prosecutes nearly 40,000 criminal cases a year, throughout the 457 square miles of Westchester County. The office staff of 239 people includes the District Attorney, 120 Assistant District Attorneys, 38 investigators, and 80 support personnel, comprising the largest local prosecutorial agency in New York State north of New York City. The 120 Assistant District Attorneys operate out of the District Attorney’s main office in White Plains, as well as eight branch offices located throughout the County. The District Attorney’s office works with over 40 local police departments, the Westchester Department of Public Safety, New York State Police as well as various other State and Federal law enforcement agencies on a daily and ongoing basis.