Statistics for occurrence #1 of “Baltimore” in chapter 19, page 295 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 .:
...mission into the secret society, as members thereof.
In a week or two the final act in the little drama would be introduced by first making a confidant of Mr. McPhail, the deputy Provost-Marshal of Baltimore , and then confronting the conspirators with a company of armed soldiers.
...