[5] After attaining admission to the bar, Debevoise was an Assistant United States Attorney for the Southern District of New York from 1954 to 1956.
[7] While in private practice, he assisted James B. Donovan in the defense of accused spy Rudolf Abel.
[8] In February 1960, Robert Stafford, the Governor of Vermont, appointed Debevoise to serve as state Attorney General, filling the vacancy caused when incumbent Frederick M. Reed resigned.
[9] Debevoise won election to a full term as a Republican in November 1960,[10] and served until resigning in January 1962.
Debevoise died from the effects of lung cancer at the Dartmouth-Hitchcock Medical Center in Lebanon, New Hampshire on February 1, 1995.