Murphy, 58, of Seaford, is a Republican and is running on the Republican, Conservative, Tax Revolt and Independence Party lines. He has been a Nassau County District Court judge since 2010. He presides over the Veterans Treatment Court part, and also hears civil and criminal matters. He was law secretary to County Court Judge Jerald Carter from 1998 through 2009. In 1997, he served as law secretary to County Court Judge Jack Mackston. In 1996, he was a court attorney in Nassau County District Court, and from 1994 to 1995 was a prosecutor in the Nassau County Traffic and Parking Violations Agency. He received his bachelor's degree in finance from SUNY Old Westbury in 1988 and his law degree from Touro Law Center in 1993. He was admitted to the New York State Bar in 1993. He is a member of the Nassau County Bar Association. Murphy is a lieutenant colonel in the Army Reserves, and recently returned from a yearlong mobilization, serving in Kuwait for nine months. He also has served in Iraq, Bosnia, and Panama. During his six months in Iraq in 2005, he worked with the Iraqi special tribunal in developing the criminal case against former President Saddam Hussein.