Statistics for occurrence #1 of “General McClellan” in chapter 14, page 208 of Allan Pinkerton, The spy in the rebellion; being a true history of the spy system of the United States Army during the late rebellion, revealing many secrets of the war hitherto not made public, compiled from official reports prepared for President Lincoln , General McClellan and the Provost-Marshal-General .:
... appearance of these troops was quickly brought to the notice of the Federal authorities at Washington.
On the 24th day of May the Secretary of War and General Scott telegraphed this information to General McClellan , and inquired whether its influence could not be counteracted.
General McClellan
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