sentences:  He went to work as a copy boy for the "New York Daily Mirror", a Hearst-owned publication, when he was still in his teens and organized there for the Newspaper Guild, as did his brother and fellow-journalist William B. Mahoney.Dan Mahoney worked at the "Mirror" for nearly 22 years (with time out to serve in the Army during World War II).In June 1955 journalist Winston Burdett went before the Senate Internal Security Subcommittee and fingered numerous other members of the media as potential Communists.