Gerard Michael O'Neill (September 1, 1942 – August 22, 2019) was an American journalist, newspaper editor, and writer.
Born in Boston, O'Neill graduated from Stoughton High School and Stonehill College; earning a degree in English at the latter institution in 1964.
[2] O'Neill's most notable piece of investigative reporting was in 1988 when he and journalist Dick Lehr published a story revealing that mobster Whitey Bulger was an FBI informant while still actively committing crimes.
[1] The former book was an Edgar Award[3] winner, and was made into a 2015 movie starring Johnny Depp as Bulger.
[1][2] O'Neill died on August 22, 2019, from interstitial lung disease at his home in Needham, Massachusetts, a close-in suburb of Boston.