District of Columbia City Hall Scott Key, (1779–1843), and was sentenced to a mental institution. The building was also the site of the 1867 trial of John Surratt, an alleged conspirator in the assassination of Abraham Lincoln who was later acquitted. However, Charles J. Guiteau, the assassin of President James A. Garfield, was convicted at the courthouse in 1882. The Old City Hall was the scene of a fugitive slave trial known as the "Pearl incident," which was the largest single escape by slaves attempted in U.S. history. Two men were convicted in 1848 of attempting to free more than 70 slaves by sailing them
Charles J. Guiteau for Garfield at the since-demolished Baltimore and Potomac Railroad Station, getting his shoes shined, pacing, and engaging a cab to take him to the jail later. As Garfield entered the station, looking forward to a vacation with his wife in Long Branch, Guiteau stepped forward and shot Garfield twice from behind, the second shot piercing the first lumbar vertebra but missing the spinal cord. As he surrendered to authorities, Guiteau said: "I am a Stalwart of the Stalwarts. ... [Chester A.] Arthur is president now!" After a long, painful battle with infections, possibly brought on by his doctors' poking and