Amherst College; United States Military Academy.
He served in the United States. Army from August 1944 to July 1956, first as an enlisted man before receiving his commission after four years at West Point. He was elected as a Democrat to the 88th United States. Congress and to the eight succeeding Congresses (January 3, 1963 – January 3, 1981). He ran unsuccessfully for re-election in 1980 after being indicted in the Abscam bribery scandal.
Murphy was found guilty and served 18 months in prison.
During his time in Congress he chaired committees dealing with maritime and oceanic matters. On January 19, 2012, Mark Murphy announced he would seek election to the Congressional seat his father once held.
On November 6, Murphy lost the election to incumbent Republican Michael Grimm, 46.2% – 52.8%. Murphy died the age of 88 on May 25, 2015, at Richmond University Medical Center in Staten Island, New York of complications from a heart attack.