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 lined up every day to see them in person were continually rejected, as were his numerous letters. By the early days of Garfield's administration, Guiteau was living in Washington, D.C., destitute and forced to sneak from rooming house to rooming house without paying for his lodging and meals, and to walk around the cold, snowy city in a threadbare suit, without a coat, hat or boots. He spent his days in hotel lobbies reading discarded newspapers to keep track of the schedules of Garfield and his cabinet and making use of the hotels' complimentary stationery to write them letters pressing