The Baltimore Plot concerned alleged conspiracies in February 1861 to assassinate President-elect of the United States Abraham Lincoln during a whistle-stop tour en route to his inauguration. Allan Pi
"Passage Through Baltimore". President-elect Lincoln depicted ignominiously hiding in a cattle car by Adalbert J. Volck, 1863.
Timothy Webster, with fellow Union, Pinkerton agent, Hattie Lawton, before his execution by hanging, in Richmond, Virginia, for wartime espionage, from the 1882 book The Spy of the Rebellion: Being a True History of the Spy System of the United States Army During the Late Rebellion..., by Allan Pinkerton