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The Overman Committee, officially known as the Subcommittee on the Judiciary, was a United States Senate subcommittee tasked with investigating wartime German propaganda and related matters during World War I. Named after its chairman, Senator Lee Slater Overman, the committee held hearings and conducted investigations in 1918 and 1919, focusing on uncovering German influence and activities aimed at swaying public opinion and undermining American efforts during the war.